diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2021-07-07 01:19:43 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2021-07-07 01:19:43 +0200 |
| commit | d900385139e5aa8d584dee92c87bb85d0226253e (patch) | |
| tree | 26aa082f242221c535f2d8aa03b0c314c713e8ea /drivers | |
| parent | 56168452b2a2fa8b4efc664d9fcb08536486a1ba (diff) | |
| parent | 200ecf5055dfba12b9bff6984830a7cdddee8ab1 (diff) | |
Merge tag 'v4.4.274' into toradex_vf_4.4-next
Linux 4.4.274
Diffstat (limited to 'drivers')
657 files changed, 5710 insertions, 2692 deletions
diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c index b3842ffc19ba..46d201fc7ecc 100644 --- a/drivers/acpi/acpi_extlog.c +++ b/drivers/acpi/acpi_extlog.c @@ -223,9 +223,9 @@ static int __init extlog_init(void) u64 cap; int rc; - rdmsrl(MSR_IA32_MCG_CAP, cap); - - if (!(cap & MCG_ELOG_P) || !extlog_get_l1addr()) + if (rdmsrl_safe(MSR_IA32_MCG_CAP, &cap) || + !(cap & MCG_ELOG_P) || + !extlog_get_l1addr()) return -ENODEV; if (get_edac_report_status() == EDAC_REPORTING_FORCE) { diff --git a/drivers/acpi/acpi_pnp.c b/drivers/acpi/acpi_pnp.c index 48fc3ad13a4b..1738eb0fa7db 100644 --- a/drivers/acpi/acpi_pnp.c +++ b/drivers/acpi/acpi_pnp.c @@ -320,6 +320,9 @@ static bool matching_id(const char *idstr, const char *list_id) { int i; + if (strlen(idstr) != strlen(list_id)) + return false; + if (memcmp(idstr, list_id, 3)) return false; diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c index 435bd0ffc8c0..ea4c7c93a920 100644 --- a/drivers/acpi/custom_method.c +++ b/drivers/acpi/custom_method.c @@ -37,6 +37,8 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf, sizeof(struct acpi_table_header))) return -EFAULT; uncopied_bytes = max_size = table.length; + /* make sure the buf is not allocated */ + kfree(buf); buf = kzalloc(max_size, GFP_KERNEL); if (!buf) return -ENOMEM; @@ -50,6 +52,7 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf, (*ppos + count < count) || (count > uncopied_bytes)) { kfree(buf); + buf = NULL; return -EINVAL; } @@ -71,7 +74,6 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf, add_taint(TAINT_OVERRIDDEN_ACPI_TABLE, LOCKDEP_NOW_UNRELIABLE); } - kfree(buf); return count; } diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c index a899a7abcf63..139ee989b0d0 100644 --- a/drivers/acpi/device_sysfs.c +++ b/drivers/acpi/device_sysfs.c @@ -259,20 +259,12 @@ int __acpi_device_uevent_modalias(struct acpi_device *adev, if (add_uevent_var(env, "MODALIAS=")) return -ENOMEM; - len = create_pnp_modalias(adev, &env->buf[env->buflen - 1], - sizeof(env->buf) - env->buflen); - if (len < 0) - return len; - - env->buflen += len; - if (!adev->data.of_compatible) - return 0; - - if (len > 0 && add_uevent_var(env, "MODALIAS=")) - return -ENOMEM; - - len = create_of_modalias(adev, &env->buf[env->buflen - 1], - sizeof(env->buf) - env->buflen); + if (adev->data.of_compatible) + len = create_of_modalias(adev, &env->buf[env->buflen - 1], + sizeof(env->buf) - env->buflen); + else + len = create_pnp_modalias(adev, &env->buf[env->buflen - 1], + sizeof(env->buf) - env->buflen); if (len < 0) return len; diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 627f8fbb5e9a..e6003d2baa45 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -506,7 +506,7 @@ static acpi_status acpi_dev_process_resource(struct acpi_resource *ares, ret = c->preproc(ares, c->preproc_data); if (ret < 0) { c->error = ret; - return AE_CTRL_TERMINATE; + return AE_ABORT_METHOD; } else if (ret > 0) { return AE_OK; } diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 2ab4568aaddd..90ed17aacaa7 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -564,6 +564,8 @@ static int acpi_get_device_data(acpi_handle handle, struct acpi_device **device, if (!device) return -EINVAL; + *device = NULL; + status = acpi_get_data_full(handle, acpi_scan_drop_device, (void **)device, callback); if (ACPI_FAILURE(status) || !*device) { diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 82707f9824ca..b4826335ad0b 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -188,6 +188,8 @@ struct acpi_thermal { int tz_enabled; int kelvin_offset; struct work_struct thermal_check_work; + struct mutex thermal_check_lock; + atomic_t thermal_check_count; }; /* -------------------------------------------------------------------------- @@ -513,16 +515,6 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz) return 0; } -static void acpi_thermal_check(void *data) -{ - struct acpi_thermal *tz = data; - - if (!tz->tz_enabled) - return; - - thermal_zone_device_update(tz->thermal_zone); -} - /* sys I/F for generic thermal sysfs support */ static int thermal_get_temp(struct thermal_zone_device *thermal, int *temp) @@ -556,6 +548,8 @@ static int thermal_get_mode(struct thermal_zone_device *thermal, return 0; } +static void acpi_thermal_check_fn(struct work_struct *work); + static int thermal_set_mode(struct thermal_zone_device *thermal, enum thermal_device_mode mode) { @@ -581,7 +575,7 @@ static int thermal_set_mode(struct thermal_zone_device *thermal, ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s kernel ACPI thermal control\n", tz->tz_enabled ? "Enable" : "Disable")); - acpi_thermal_check(tz); + acpi_thermal_check_fn(&tz->thermal_check_work); } return 0; } @@ -950,6 +944,12 @@ static void acpi_thermal_unregister_thermal_zone(struct acpi_thermal *tz) Driver Interface -------------------------------------------------------------------------- */ +static void acpi_queue_thermal_check(struct acpi_thermal *tz) +{ + if (!work_pending(&tz->thermal_check_work)) + queue_work(acpi_thermal_pm_queue, &tz->thermal_check_work); +} + static void acpi_thermal_notify(struct acpi_device *device, u32 event) { struct acpi_thermal *tz = acpi_driver_data(device); @@ -960,17 +960,17 @@ static void acpi_thermal_notify(struct acpi_device *device, u32 event) switch (event) { case ACPI_THERMAL_NOTIFY_TEMPERATURE: - acpi_thermal_check(tz); + acpi_queue_thermal_check(tz); break; case ACPI_THERMAL_NOTIFY_THRESHOLDS: acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_THRESHOLDS); - acpi_thermal_check(tz); + acpi_queue_thermal_check(tz); acpi_bus_generate_netlink_event(device->pnp.device_class, dev_name(&device->dev), event, 0); break; case ACPI_THERMAL_NOTIFY_DEVICES: acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_DEVICES); - acpi_thermal_check(tz); + acpi_queue_thermal_check(tz); acpi_bus_generate_netlink_event(device->pnp.device_class, dev_name(&device->dev), event, 0); break; @@ -1070,7 +1070,27 @@ static void acpi_thermal_check_fn(struct work_struct *work) { struct acpi_thermal *tz = container_of(work, struct acpi_thermal, thermal_check_work); - acpi_thermal_check(tz); + + if (!tz->tz_enabled) + return; + /* + * In general, it is not sufficient to check the pending bit, because + * subsequent instances of this function may be queued after one of them + * has started running (e.g. if _TMP sleeps). Avoid bailing out if just + * one of them is running, though, because it may have done the actual + * check some time ago, so allow at least one of them to block on the + * mutex while another one is running the update. + */ + if (!atomic_add_unless(&tz->thermal_check_count, -1, 1)) + return; + + mutex_lock(&tz->thermal_check_lock); + + thermal_zone_device_update(tz->thermal_zone); + + atomic_inc(&tz->thermal_check_count); + + mutex_unlock(&tz->thermal_check_lock); } static int acpi_thermal_add(struct acpi_device *device) @@ -1102,6 +1122,8 @@ static int acpi_thermal_add(struct acpi_device *device) if (result) goto free_memory; + atomic_set(&tz->thermal_check_count, 3); + mutex_init(&tz->thermal_check_lock); INIT_WORK(&tz->thermal_check_work, acpi_thermal_check_fn); pr_info(PREFIX "%s [%s] (%ld C)\n", acpi_device_name(device), @@ -1167,7 +1189,7 @@ static int acpi_thermal_resume(struct device *dev) tz->state.active |= tz->trips.active[i].flags.enabled; } - queue_work(acpi_thermal_pm_queue, &tz->thermal_check_work); + acpi_queue_thermal_check(tz); return AE_OK; } diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 0936b68eff80..df3df21852fe 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -251,6 +251,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "XPS L521X"), }, }, + /* https://bugs.launchpad.net/bugs/1894667 */ + { + .callback = video_detect_force_video, + .ident = "HP 635 Notebook", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP 635 Notebook PC"), + }, + }, /* Non win8 machines which need native backlight nevertheless */ { diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index 1accc01fb0ca..91c99cce22a4 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -275,10 +275,11 @@ static int amba_remove(struct device *dev) { struct amba_device *pcdev = to_amba_device(dev); struct amba_driver *drv = to_amba_driver(dev->driver); - int ret; + int ret = 0; pm_runtime_get_sync(dev); - ret = drv->remove(pcdev); + if (drv->remove) + ret = drv->remove(pcdev); pm_runtime_put_noidle(dev); /* Undo the runtime PM settings in amba_probe() */ @@ -295,7 +296,9 @@ static int amba_remove(struct device *dev) static void amba_shutdown(struct device *dev) { struct amba_driver *drv = to_amba_driver(dev->driver); - drv->shutdown(to_amba_device(dev)); + + if (drv->shutdown) + drv->shutdown(to_amba_device(dev)); } /** @@ -308,12 +311,13 @@ static void amba_shutdown(struct device *dev) */ int amba_driver_register(struct amba_driver *drv) { - drv->drv.bus = &amba_bustype; + if (!drv->probe) + return -EINVAL; -#define SETFN(fn) if (drv->fn) drv->drv.fn = amba_##fn - SETFN(probe); - SETFN(remove); - SETFN(shutdown); + drv->drv.bus = &amba_bustype; + drv->drv.probe = amba_probe; + drv->drv.remove = amba_remove; + drv->drv.shutdown = amba_shutdown; return driver_register(&drv->drv); } diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c index 65371e1befe8..8839ad6b73e3 100644 --- a/drivers/ata/libahci_platform.c +++ b/drivers/ata/libahci_platform.c @@ -516,11 +516,13 @@ int ahci_platform_init_host(struct platform_device *pdev, int i, irq, n_ports, rc; irq = platform_get_irq(pdev, 0); - if (irq <= 0) { + if (irq < 0) { if (irq != -EPROBE_DEFER) dev_err(dev, "no irq\n"); return irq; } + if (!irq) + return -EINVAL; hpriv->irq = irq; diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c index 80fe0f6fed29..a6b1a7556d37 100644 --- a/drivers/ata/pata_arasan_cf.c +++ b/drivers/ata/pata_arasan_cf.c @@ -819,12 +819,19 @@ static int arasan_cf_probe(struct platform_device *pdev) else quirk = CF_BROKEN_UDMA; /* as it is on spear1340 */ - /* if irq is 0, support only PIO */ - acdev->irq = platform_get_irq(pdev, 0); - if (acdev->irq) + /* + * If there's an error getting IRQ (or we do get IRQ0), + * support only PIO + */ + ret = platform_get_irq(pdev, 0); + if (ret > 0) { + acdev->irq = ret; irq_handler = arasan_cf_interrupt; - else + } else if (ret == -EPROBE_DEFER) { + return ret; + } else { quirk |= CF_BROKEN_MWDMA | CF_BROKEN_UDMA; + } acdev->pbase = res->start; acdev->vbase = devm_ioremap_nocache(&pdev->dev, res->start, diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c index abda44183512..fb8d1f68f36f 100644 --- a/drivers/ata/pata_ixp4xx_cf.c +++ b/drivers/ata/pata_ixp4xx_cf.c @@ -169,8 +169,12 @@ static int ixp4xx_pata_probe(struct platform_device *pdev) return -ENOMEM; irq = platform_get_irq(pdev, 0); - if (irq) + if (irq > 0) irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING); + else if (irq < 0) + return irq; + else + return -EINVAL; /* Setup expansion bus chip selects */ *data->cs0_cfg = data->cs0_bits; diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 5718dc94c90c..601ea2e9fcf9 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -4101,6 +4101,10 @@ static int mv_platform_probe(struct platform_device *pdev) n_ports = mv_platform_data->n_ports; irq = platform_get_irq(pdev, 0); } + if (irq < 0) + return irq; + if (!irq) + return -EINVAL; host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports); hpriv = devm_kzalloc(&pdev->dev, sizeof(*hpriv), GFP_KERNEL); diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index 4199f7a39be0..3adfba441b43 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -122,7 +122,7 @@ /* Descriptor table word 0 bit (when DTA32M = 1) */ #define SATA_RCAR_DTEND BIT(0) -#define SATA_RCAR_DMA_BOUNDARY 0x1FFFFFFEUL +#define SATA_RCAR_DMA_BOUNDARY 0x1FFFFFFFUL /* Gen2 Physical Layer Control Registers */ #define RCAR_GEN2_PHY_CTL1_REG 0x1704 diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c index 340a1ee79d28..3d5ad2bc809b 100644 --- a/drivers/atm/eni.c +++ b/drivers/atm/eni.c @@ -2278,7 +2278,8 @@ out: return rc; err_eni_release: - eni_do_release(dev); + dev->phy = NULL; + iounmap(ENI_DEV(dev)->ioaddr); err_unregister: atm_dev_deregister(dev); err_free_consistent: diff --git a/drivers/atm/idt77105.c b/drivers/atm/idt77105.c index feb023d7eebd..40644670cff2 100644 --- a/drivers/atm/idt77105.c +++ b/drivers/atm/idt77105.c @@ -261,7 +261,7 @@ static int idt77105_start(struct atm_dev *dev) { unsigned long flags; - if (!(dev->dev_data = kmalloc(sizeof(struct idt77105_priv),GFP_KERNEL))) + if (!(dev->phy_data = kmalloc(sizeof(struct idt77105_priv),GFP_KERNEL))) return -ENOMEM; PRIV(dev)->dev = dev; spin_lock_irqsave(&idt77105_priv_lock, flags); @@ -338,7 +338,7 @@ static int idt77105_stop(struct atm_dev *dev) else idt77105_all = walk->next; dev->phy = NULL; - dev->dev_data = NULL; + dev->phy_data = NULL; kfree(walk); break; } diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c index 074616b39f4d..89adb49e435e 100644 --- a/drivers/atm/idt77252.c +++ b/drivers/atm/idt77252.c @@ -3615,7 +3615,7 @@ static int idt77252_init_one(struct pci_dev *pcidev, if ((err = dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(32)))) { printk("idt77252: can't enable DMA for PCI device at %s\n", pci_name(pcidev)); - return err; + goto err_out_disable_pdev; } card = kzalloc(sizeof(struct idt77252_dev), GFP_KERNEL); diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c index ce43ae3e87b3..3002b1177005 100644 --- a/drivers/atm/lanai.c +++ b/drivers/atm/lanai.c @@ -2239,6 +2239,7 @@ static int lanai_dev_open(struct atm_dev *atmdev) conf1_write(lanai); #endif iounmap(lanai->base); + lanai->base = NULL; error_pci: pci_disable_device(lanai->pci); error: @@ -2251,6 +2252,8 @@ static int lanai_dev_open(struct atm_dev *atmdev) static void lanai_dev_close(struct atm_dev *atmdev) { struct lanai_dev *lanai = (struct lanai_dev *) atmdev->dev_data; + if (lanai->base==NULL) + return; printk(KERN_INFO DEV_LABEL "(itf %d): shutting down interface\n", lanai->number); lanai_timed_poll_stop(lanai); @@ -2560,7 +2563,7 @@ static int lanai_init_one(struct pci_dev *pci, struct atm_dev *atmdev; int result; - lanai = kmalloc(sizeof(*lanai), GFP_KERNEL); + lanai = kzalloc(sizeof(*lanai), GFP_KERNEL); if (lanai == NULL) { printk(KERN_ERR DEV_LABEL ": couldn't allocate dev_data structure!\n"); diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c index ddc4ceb85fc5..49da83f87170 100644 --- a/drivers/atm/nicstar.c +++ b/drivers/atm/nicstar.c @@ -1704,6 +1704,8 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb) if (push_scqe(card, vc, scq, &scqe, skb) != 0) { atomic_inc(&vcc->stats->tx_err); + dma_unmap_single(&card->pcidev->dev, NS_PRV_DMA(skb), skb->len, + DMA_TO_DEVICE); dev_kfree_skb_any(skb); return -EIO; } diff --git a/drivers/atm/uPD98402.c b/drivers/atm/uPD98402.c index 5120a96b3a89..b2f4e8df1591 100644 --- a/drivers/atm/uPD98402.c +++ b/drivers/atm/uPD98402.c @@ -210,7 +210,7 @@ static void uPD98402_int(struct atm_dev *dev) static int uPD98402_start(struct atm_dev *dev) { DPRINTK("phy_start\n"); - if (!(dev->dev_data = kmalloc(sizeof(struct uPD98402_priv),GFP_KERNEL))) + if (!(dev->phy_data = kmalloc(sizeof(struct uPD98402_priv),GFP_KERNEL))) return -ENOMEM; spin_lock_init(&PRIV(dev)->lock); memset(&PRIV(dev)->sonet_stats,0,sizeof(struct k_sonet_stats)); diff --git a/drivers/base/core.c b/drivers/base/core.c index ddc9dd971674..7e419aaf3c24 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -2344,6 +2344,7 @@ static inline bool fwnode_is_primary(struct fwnode_handle *fwnode) */ void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode) { + struct device *parent = dev->parent; struct fwnode_handle *fn = dev->fwnode; if (fwnode) { @@ -2355,7 +2356,8 @@ void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode) } else { if (fwnode_is_primary(fn)) { dev->fwnode = fn->secondary; - fn->secondary = NULL; + if (!(parent && fn == parent->fwnode)) + fn->secondary = NULL; } else { dev->fwnode = NULL; } diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 04a923186081..6bb3a425bbd3 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -285,7 +285,8 @@ static int really_probe(struct device *dev, struct device_driver *drv) drv->bus->name, __func__, drv->name, dev_name(dev)); if (!list_empty(&dev->devres_head)) { dev_crit(dev, "Resources present before probing\n"); - return -EBUSY; + ret = -EBUSY; + goto done; } dev->driver = drv; @@ -363,7 +364,7 @@ probe_failed: ret = 0; done: atomic_dec(&probe_count); - wake_up(&probe_waitqueue); + wake_up_all(&probe_waitqueue); return ret; } diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 29819e719afa..c794e215ea3d 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -540,6 +540,7 @@ config BLK_DEV_RBD config BLK_DEV_RSXX tristate "IBM Flash Adapter 900GB Full Height PCIe Device Driver" depends on PCI + select CRC32 help Device driver for IBM's high speed PCIe SSD storage device: Flash Adapter 900GB Full Height. diff --git a/drivers/block/brd.c b/drivers/block/brd.c index 58c1138ad5e1..2a1a4ac8933c 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -22,7 +22,6 @@ #include <asm/uaccess.h> -#define SECTOR_SHIFT 9 #define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT) #define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT) diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 58ce577ba6d7..ae6b798b76bb 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -870,7 +870,7 @@ static void set_fdc(int drive) } /* locks the driver */ -static int lock_fdc(int drive, bool interruptible) +static int lock_fdc(int drive) { if (WARN(atomic_read(&usage_count) == 0, "Trying to lock fdc while usage count=0\n")) @@ -2180,7 +2180,7 @@ static int do_format(int drive, struct format_descr *tmp_format_req) { int ret; - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; set_floppy(drive); @@ -2967,7 +2967,7 @@ static int user_reset_fdc(int drive, int arg, bool interruptible) { int ret; - if (lock_fdc(drive, interruptible)) + if (lock_fdc(drive)) return -EINTR; if (arg == FD_RESET_ALWAYS) @@ -3254,7 +3254,7 @@ static int set_geometry(unsigned int cmd, struct floppy_struct *g, if (!capable(CAP_SYS_ADMIN)) return -EPERM; mutex_lock(&open_lock); - if (lock_fdc(drive, true)) { + if (lock_fdc(drive)) { mutex_unlock(&open_lock); return -EINTR; } @@ -3274,7 +3274,7 @@ static int set_geometry(unsigned int cmd, struct floppy_struct *g, } else { int oldStretch; - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; if (cmd != FDDEFPRM) { /* notice a disk change immediately, else @@ -3360,7 +3360,7 @@ static int get_floppy_geometry(int drive, int type, struct floppy_struct **g) if (type) *g = &floppy_type[type]; else { - if (lock_fdc(drive, false)) + if (lock_fdc(drive)) return -EINTR; if (poll_drive(false, 0) == -EINTR) return -EINTR; @@ -3462,7 +3462,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int if (UDRS->fd_ref != 1) /* somebody else has this drive open */ return -EBUSY; - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; /* do the actual eject. Fails on @@ -3474,7 +3474,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int process_fd_request(); return ret; case FDCLRPRM: - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; current_type[drive] = NULL; floppy_sizes[drive] = MAX_DISK_SIZE << 1; @@ -3499,7 +3499,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int UDP->flags &= ~FTD_MSG; return 0; case FDFMTBEG: - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; if (poll_drive(true, FD_RAW_NEED_DISK) == -EINTR) return -EINTR; @@ -3516,7 +3516,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int return do_format(drive, &inparam.f); case FDFMTEND: case FDFLUSH: - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; return invalidate_drive(bdev); case FDSETEMSGTRESH: @@ -3542,7 +3542,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int outparam = UDP; break; case FDPOLLDRVSTAT: - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; if (poll_drive(true, FD_RAW_NEED_DISK) == -EINTR) return -EINTR; @@ -3565,7 +3565,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int case FDRAWCMD: if (type) return -EINVAL; - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; set_floppy(drive); i = raw_cmd_ioctl(cmd, (void __user *)param); @@ -3574,7 +3574,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int process_fd_request(); return i; case FDTWADDLE: - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; twaddle(); process_fd_request(); @@ -3801,7 +3801,7 @@ static int compat_getdrvstat(int drive, bool poll, mutex_lock(&floppy_mutex); if (poll) { - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) goto Eintr; if (poll_drive(true, FD_RAW_NEED_DISK) == -EINTR) goto Eintr; @@ -4066,21 +4066,22 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) if (UFDCS->rawcmd == 1) UFDCS->rawcmd = 2; - if (!(mode & FMODE_NDELAY)) { - if (mode & (FMODE_READ|FMODE_WRITE)) { - UDRS->last_checked = 0; - clear_bit(FD_OPEN_SHOULD_FAIL_BIT, &UDRS->flags); - check_disk_change(bdev); - if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags)) - goto out; - if (test_bit(FD_OPEN_SHOULD_FAIL_BIT, &UDRS->flags)) - goto out; - } - res = -EROFS; - if ((mode & FMODE_WRITE) && - !test_bit(FD_DISK_WRITABLE_BIT, &UDRS->flags)) + if (mode & (FMODE_READ|FMODE_WRITE)) { + UDRS->last_checked = 0; + clear_bit(FD_OPEN_SHOULD_FAIL_BIT, &UDRS->flags); + check_disk_change(bdev); + if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags)) + goto out; + if (test_bit(FD_OPEN_SHOULD_FAIL_BIT, &UDRS->flags)) goto out; } + + res = -EROFS; + + if ((mode & FMODE_WRITE) && + !test_bit(FD_DISK_WRITABLE_BIT, &UDRS->flags)) + goto out; + mutex_unlock(&open_lock); mutex_unlock(&floppy_mutex); return 0; @@ -4108,7 +4109,8 @@ static unsigned int floppy_check_events(struct gendisk *disk, return DISK_EVENT_MEDIA_CHANGE; if (time_after(jiffies, UDRS->last_checked + UDP->checkfreq)) { - lock_fdc(drive, false); + if (lock_fdc(drive)) + return -EINTR; poll_drive(false, 0); process_fd_request(); } @@ -4207,7 +4209,9 @@ static int floppy_revalidate(struct gendisk *disk) "VFS: revalidate called on non-open device.\n")) return -EFAULT; - lock_fdc(drive, false); + res = lock_fdc(drive); + if (res) + return res; cf = (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) || test_bit(FD_VERIFY_BIT, &UDRS->flags)); if (!(cf || test_bit(drive, &fake_change) || drive_no_geom(drive))) { diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 445ca973edd6..0b2b47c0988a 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -50,15 +50,6 @@ #define RBD_DEBUG /* Activate rbd_assert() calls */ /* - * The basic unit of block I/O is a sector. It is interpreted in a - * number of contexts in Linux (blk, bio, genhd), but the default is - * universally 512 bytes. These symbols are just slightly more - * meaningful than the bare numbers they represent. - */ -#define SECTOR_SHIFT 9 -#define SECTOR_SIZE (1ULL << SECTOR_SHIFT) - -/* * Increment the given counter and return its updated value. * If the counter is already 0 it will not be incremented. * If the counter is already at its maximum value returns diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c index 620a3a67cdd5..a53271acc2a2 100644 --- a/drivers/block/rsxx/core.c +++ b/drivers/block/rsxx/core.c @@ -180,15 +180,17 @@ static ssize_t rsxx_cram_read(struct file *fp, char __user *ubuf, { struct rsxx_cardinfo *card = file_inode(fp)->i_private; char *buf; - ssize_t st; + int st; buf = kzalloc(cnt, GFP_KERNEL); if (!buf) return -ENOMEM; st = rsxx_creg_read(card, CREG_ADD_CRAM + (u32)*ppos, cnt, buf, 1); - if (!st) - st = copy_to_user(ubuf, buf, cnt); + if (!st) { + if (copy_to_user(ubuf, buf, cnt)) + st = -EFAULT; + } kfree(buf); if (st) return st; @@ -893,6 +895,7 @@ static int rsxx_pci_probe(struct pci_dev *dev, card->event_wq = create_singlethread_workqueue(DRIVER_NAME"_event"); if (!card->event_wq) { dev_err(CARD_TO_DEV(card), "Failed card event setup.\n"); + st = -ENOMEM; goto failed_event_handler; } diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index a295ad6a1674..698a52a96d2d 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -173,7 +173,7 @@ static inline void shrink_free_pagepool(struct xen_blkif *blkif, int num) #define vaddr(page) ((unsigned long)pfn_to_kaddr(page_to_pfn(page))) -static int do_block_io_op(struct xen_blkif *blkif); +static int do_block_io_op(struct xen_blkif *blkif, unsigned int *eoi_flags); static int dispatch_rw_block_io(struct xen_blkif *blkif, struct blkif_request *req, struct pending_req *pending_req); @@ -594,6 +594,8 @@ int xen_blkif_schedule(void *arg) struct xen_vbd *vbd = &blkif->vbd; unsigned long timeout; int ret; + bool do_eoi; + unsigned int eoi_flags = XEN_EOI_FLAG_SPURIOUS; while (!kthread_should_stop()) { if (try_to_freeze()) @@ -617,16 +619,23 @@ int xen_blkif_schedule(void *arg) if (timeout == 0) goto purge_gnt_list; + do_eoi = blkif->waiting_reqs; + blkif->waiting_reqs = 0; smp_mb(); /* clear flag *before* checking for work */ - ret = do_block_io_op(blkif); + ret = do_block_io_op(blkif, &eoi_flags); if (ret > 0) blkif->waiting_reqs = 1; if (ret == -EACCES) wait_event_interruptible(blkif->shutdown_wq, kthread_should_stop()); + if (do_eoi && !blkif->waiting_reqs) { + xen_irq_lateeoi(blkif->irq, eoi_flags); + eoi_flags |= XEN_EOI_FLAG_SPURIOUS; + } + purge_gnt_list: if (blkif->vbd.feature_gnt_persistent && time_after(jiffies, blkif->next_lru)) { @@ -816,8 +825,11 @@ again: pages[i]->page = persistent_gnt->page; pages[i]->persistent_gnt = persistent_gnt; } else { - if (get_free_page(blkif, &pages[i]->page)) - goto out_of_memory; + if (get_free_page(blkif, &pages[i]->page)) { + put_free_pages(blkif, pages_to_gnt, segs_to_map); + ret = -ENOMEM; + goto out; + } addr = vaddr(pages[i]->page); pages_to_gnt[segs_to_map] = pages[i]->page; pages[i]->persistent_gnt = NULL; @@ -833,10 +845,8 @@ again: break; } - if (segs_to_map) { + if (segs_to_map) ret = gnttab_map_refs(map, NULL, pages_to_gnt, segs_to_map); - BUG_ON(ret); - } /* * Now swizzle the MFN in our domain with the MFN from the other domain @@ -851,7 +861,7 @@ again: pr_debug("invalid buffer -- could not remap it\n"); put_free_pages(blkif, &pages[seg_idx]->page, 1); pages[seg_idx]->handle = BLKBACK_INVALID_HANDLE; - ret |= 1; + ret |= !ret; goto next; } pages[seg_idx]->handle = map[new_map_idx].handle; @@ -903,15 +913,18 @@ next: } segs_to_map = 0; last_map = map_until; - if (map_until != num) + if (!ret && map_until != num) goto again; - return ret; +out: + for (i = last_map; i < num; i++) { + /* Don't zap current batch's valid persistent grants. */ + if(i >= map_until) + pages[i]->persistent_gnt = NULL; + pages[i]->handle = BLKBACK_INVALID_HANDLE; + } -out_of_memory: - pr_alert("%s: out of memory\n", __func__); - put_free_pages(blkif, pages_to_gnt, segs_to_map); - return -ENOMEM; + return ret; } static int xen_blkbk_map_seg(struct pending_req *pending_req) @@ -1094,7 +1107,7 @@ static void end_block_io_op(struct bio *bio) * and transmute it to the block API to hand it over to the proper block disk. */ static int -__do_block_io_op(struct xen_blkif *blkif) +__do_block_io_op(struct xen_blkif *blkif, unsigned int *eoi_flags) { union blkif_back_rings *blk_rings = &blkif->blk_rings; struct blkif_request req; @@ -1117,6 +1130,9 @@ __do_block_io_op(struct xen_blkif *blkif) if (RING_REQUEST_CONS_OVERFLOW(&blk_rings->common, rc)) break; + /* We've seen a request, so clear spurious eoi flag. */ + *eoi_flags &= ~XEN_EOI_FLAG_SPURIOUS; + if (kthread_should_stop()) { more_to_do = 1; break; @@ -1175,13 +1191,13 @@ done: } static int -do_block_io_op(struct xen_blkif *blkif) +do_block_io_op(struct xen_blkif *blkif, unsigned int *eoi_flags) { union blkif_back_rings *blk_rings = &blkif->blk_rings; int more_to_do; do { - more_to_do = __do_block_io_op(blkif); + more_to_do = __do_block_io_op(blkif, eoi_flags); if (more_to_do) break; diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 923308201375..f974ed7c33b5 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -200,9 +200,8 @@ static int xen_blkif_map(struct xen_blkif *blkif, grant_ref_t *gref, BUG(); } - err = bind_interdomain_evtchn_to_irqhandler(blkif->domid, evtchn, - xen_blkif_be_int, 0, - "blkif-backend", blkif); + err = bind_interdomain_evtchn_to_irqhandler_lateeoi(blkif->domid, + evtchn, xen_blkif_be_int, 0, "blkif-backend", blkif); if (err < 0) { xenbus_unmap_ring_vfree(blkif->be->dev, blkif->blk_ring); blkif->blk_rings.common.sring = NULL; @@ -220,6 +219,7 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif) if (blkif->xenblkd) { kthread_stop(blkif->xenblkd); + blkif->xenblkd = NULL; wake_up(&blkif->shutdown_wq); } @@ -554,7 +554,8 @@ static int xen_blkbk_probe(struct xenbus_device *dev, /* setup back pointer */ be->blkif->be = be; - err = xenbus_watch_pathfmt(dev, &be->backend_watch, backend_changed, + err = xenbus_watch_pathfmt(dev, &be->backend_watch, NULL, + backend_changed, "%s/%s", dev->nodename, "physical-device"); if (err) goto fail; diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 616ee4f9c233..b243452d4788 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -450,7 +450,7 @@ static ssize_t mm_stat_show(struct device *dev, zram->limit_pages << PAGE_SHIFT, max_used << PAGE_SHIFT, (u64)atomic64_read(&zram->stats.zero_pages), - pool_stats.pages_compacted); + atomic_long_read(&pool_stats.pages_compacted)); up_read(&zram->init_lock); return ret; diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h index 8e92339686d7..fb036a46195c 100644 --- a/drivers/block/zram/zram_drv.h +++ b/drivers/block/zram/zram_drv.h @@ -36,7 +36,6 @@ static const size_t max_zpage_size = PAGE_SIZE / 4 * 3; /*-- End of configurable params */ -#define SECTOR_SHIFT 9 #define SECTORS_PER_PAGE_SHIFT (PAGE_SHIFT - SECTOR_SHIFT) #define SECTORS_PER_PAGE (1 << SECTORS_PER_PAGE_SHIFT) #define ZRAM_LOGICAL_BLOCK_SHIFT 12 diff --git a/drivers/bus/mips_cdmm.c b/drivers/bus/mips_cdmm.c index 1c543effe062..e6284fc1689b 100644 --- a/drivers/bus/mips_cdmm.c +++ b/drivers/bus/mips_cdmm.c @@ -544,10 +544,8 @@ static void mips_cdmm_bus_discover(struct mips_cdmm_bus *bus) dev_set_name(&dev->dev, "cdmm%u-%u", cpu, id); ++id; ret = device_register(&dev->dev); - if (ret) { + if (ret) put_device(&dev->dev); - kfree(dev); - } } } diff --git a/drivers/bus/omap_l3_noc.c b/drivers/bus/omap_l3_noc.c index 5012e3ad1225..624f74d03a83 100644 --- a/drivers/bus/omap_l3_noc.c +++ b/drivers/bus/omap_l3_noc.c @@ -285,7 +285,7 @@ static int omap_l3_probe(struct platform_device *pdev) */ l3->debug_irq = platform_get_irq(pdev, 0); ret = devm_request_irq(l3->dev, l3->debug_irq, l3_interrupt_handler, - 0x0, "l3-dbg-irq", l3); + IRQF_NO_THREAD, "l3-dbg-irq", l3); if (ret) { dev_err(l3->dev, "request_irq failed for %d\n", l3->debug_irq); @@ -294,7 +294,7 @@ static int omap_l3_probe(struct platform_device *pdev) l3->app_irq = platform_get_irq(pdev, 1); ret = devm_request_irq(l3->dev, l3->app_irq, l3_interrupt_handler, - 0x0, "l3-app-irq", l3); + IRQF_NO_THREAD, "l3-app-irq", l3); if (ret) dev_err(l3->dev, "request_irq failed for %d\n", l3->app_irq); diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c index 1852d19d0d7b..86110a2abf0f 100644 --- a/drivers/cdrom/gdrom.c +++ b/drivers/cdrom/gdrom.c @@ -773,6 +773,13 @@ static int probe_gdrom_setupqueue(void) static int probe_gdrom(struct platform_device *devptr) { int err; + + /* + * Ensure our "one" device is initialized properly in case of previous + * usages of it + */ + memset(&gd, 0, sizeof(gd)); + /* Start the device */ if (gdrom_execute_diagnostic() != 1) { pr_warning("ATA Probe for GDROM failed\n"); @@ -850,6 +857,8 @@ static int remove_gdrom(struct platform_device *devptr) if (gdrom_major) unregister_blkdev(gdrom_major, GDROM_DEV_NAME); unregister_cdrom(gd.cd_info); + kfree(gd.cd_info); + kfree(gd.toc); return 0; } @@ -865,7 +874,7 @@ static struct platform_driver gdrom_driver = { static int __init init_gdrom(void) { int rc; - gd.toc = NULL; + rc = platform_driver_register(&gdrom_driver); if (rc) return rc; @@ -881,8 +890,6 @@ static void __exit exit_gdrom(void) { platform_device_unregister(pd); platform_driver_unregister(&gdrom_driver); - kfree(gd.toc); - kfree(gd.cd_info); } module_init(init_gdrom); diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig index c528f96ee204..07de755ca30c 100644 --- a/drivers/char/agp/Kconfig +++ b/drivers/char/agp/Kconfig @@ -124,7 +124,7 @@ config AGP_HP_ZX1 config AGP_PARISC tristate "HP Quicksilver AGP support" - depends on AGP && PARISC && 64BIT + depends on AGP && PARISC && 64BIT && IOMMU_SBA help This option gives you AGP GART support for the HP Quicksilver AGP bus adapter on HP PA-RISC machines (Ok, just on the C8000 diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 5b38d7a8202a..eb205f9173f4 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -976,6 +976,8 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data) if (ACPI_SUCCESS(status)) { hdp->hd_phys_address = addr.address.minimum; hdp->hd_address = ioremap(addr.address.minimum, addr.address.address_length); + if (!hdp->hd_address) + return AE_ERROR; if (hpet_is_known(hdp)) { iounmap(hdp->hd_address); @@ -989,6 +991,8 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data) hdp->hd_phys_address = fixmem32->address; hdp->hd_address = ioremap(fixmem32->address, HPET_RANGE_SIZE); + if (!hdp->hd_address) + return AE_ERROR; if (hpet_is_known(hdp)) { iounmap(hdp->hd_address); diff --git a/drivers/char/random.c b/drivers/char/random.c index 7bb1e423eb19..08d96d58f1f2 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -678,7 +678,6 @@ retry: r->initialized = 1; r->entropy_total = 0; if (r == &nonblocking_pool) { - prandom_reseed_late(); process_random_ready_list(); wake_up_all(&urandom_init_wait); pr_notice("random: %s pool is initialized\n", r->name); @@ -923,7 +922,6 @@ void add_interrupt_randomness(int irq, int irq_flags) fast_mix(fast_pool); add_interrupt_bench(cycles); - this_cpu_add(net_rand_state.s1, fast_pool->pool[cycles & 3]); if ((fast_pool->count < 64) && !time_after(now, fast_pool->last + HZ)) diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c index e265bace57d7..50031a215a66 100644 --- a/drivers/char/ttyprintk.c +++ b/drivers/char/ttyprintk.c @@ -166,12 +166,23 @@ static int tpk_ioctl(struct tty_struct *tty, return 0; } +/* + * TTY operations hangup function. + */ +static void tpk_hangup(struct tty_struct *tty) +{ + struct ttyprintk_port *tpkp = tty->driver_data; + + tty_port_hangup(&tpkp->port); +} + static const struct tty_operations ttyprintk_ops = { .open = tpk_open, .close = tpk_close, .write = tpk_write, .write_room = tpk_write_room, .ioctl = tpk_ioctl, + .hangup = tpk_hangup, }; static struct tty_port_operations null_ops = { }; diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c index 14af5c916c9c..8a42a9c2a8f2 100644 --- a/drivers/clk/clk-s2mps11.c +++ b/drivers/clk/clk-s2mps11.c @@ -263,6 +263,7 @@ static int s2mps11_clk_probe(struct platform_device *pdev) return ret; err_reg: + of_node_put(s2mps11_clks[0].clk_np); while (--i >= 0) clkdev_drop(s2mps11_clks[i].lookup); diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 53c068f90b37..c46fff3a32fe 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2870,32 +2870,28 @@ EXPORT_SYMBOL_GPL(clk_notifier_register); */ int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb) { - struct clk_notifier *cn = NULL; - int ret = -EINVAL; + struct clk_notifier *cn; + int ret = -ENOENT; if (!clk || !nb) return -EINVAL; clk_prepare_lock(); - list_for_each_entry(cn, &clk_notifier_list, node) - if (cn->clk == clk) - break; - - if (cn->clk == clk) { - ret = srcu_notifier_chain_unregister(&cn->notifier_head, nb); + list_for_each_entry(cn, &clk_notifier_list, node) { + if (cn->clk == clk) { + ret = srcu_notifier_chain_unregister(&cn->notifier_head, nb); - clk->core->notifier_count--; + clk->core->notifier_count--; - /* XXX the notifier code should handle this better */ - if (!cn->notifier_head.head) { - srcu_cleanup_notifier_head(&cn->notifier_head); - list_del(&cn->node); - kfree(cn); + /* XXX the notifier code should handle this better */ + if (!cn->notifier_head.head) { + srcu_cleanup_notifier_head(&cn->notifier_head); + list_del(&cn->node); + kfree(cn); + } + break; } - - } else { - ret = -ENOENT; } clk_prepare_unlock(); diff --git a/drivers/clk/meson/clk-pll.c b/drivers/clk/meson/clk-pll.c index 664edf0708ea..50b1138aaad7 100644 --- a/drivers/clk/meson/clk-pll.c +++ b/drivers/clk/meson/clk-pll.c @@ -138,7 +138,7 @@ static int meson_clk_pll_set_rate(struct clk_hw *hw, unsigned long rate, if (parent_rate == 0 || rate == 0) return -EINVAL; - old_rate = rate; + old_rate = clk_hw_get_rate(hw); rate_set = meson_clk_get_pll_settings(pll, rate); if (!rate_set) diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index 6c8e45e007c8..8edbb20ccff5 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -1059,7 +1059,7 @@ static struct samsung_gate_clock exynos4210_gate_clks[] __initdata = { GATE(CLK_PCIE, "pcie", "aclk133", GATE_IP_FSYS, 14, 0, 0), GATE(CLK_SMMU_PCIE, "smmu_pcie", "aclk133", GATE_IP_FSYS, 18, 0, 0), GATE(CLK_MODEMIF, "modemif", "aclk100", GATE_IP_PERIL, 28, 0, 0), - GATE(CLK_CHIPID, "chipid", "aclk100", E4210_GATE_IP_PERIR, 0, 0, 0), + GATE(CLK_CHIPID, "chipid", "aclk100", E4210_GATE_IP_PERIR, 0, CLK_IGNORE_UNUSED, 0), GATE(CLK_SYSREG, "sysreg", "aclk100", E4210_GATE_IP_PERIR, 0, CLK_IGNORE_UNUSED, 0), GATE(CLK_HDMI_CEC, "hdmi_cec", "aclk100", E4210_GATE_IP_PERIR, 11, 0, @@ -1100,7 +1100,7 @@ static struct samsung_gate_clock exynos4x12_gate_clks[] __initdata = { 0), GATE(CLK_TSADC, "tsadc", "aclk133", E4X12_GATE_BUS_FSYS1, 16, 0, 0), GATE(CLK_MIPI_HSI, "mipi_hsi", "aclk133", GATE_IP_FSYS, 10, 0, 0), - GATE(CLK_CHIPID, "chipid", "aclk100", E4X12_GATE_IP_PERIR, 0, 0, 0), + GATE(CLK_CHIPID, "chipid", "aclk100", E4X12_GATE_IP_PERIR, 0, CLK_IGNORE_UNUSED, 0), GATE(CLK_SYSREG, "sysreg", "aclk100", E4X12_GATE_IP_PERIR, 1, CLK_IGNORE_UNUSED, 0), GATE(CLK_HDMI_CEC, "hdmi_cec", "aclk100", E4X12_GATE_IP_PERIR, 11, 0, diff --git a/drivers/clk/socfpga/clk-gate-a10.c b/drivers/clk/socfpga/clk-gate-a10.c index 1cebf253e8fd..48e371035a63 100644 --- a/drivers/clk/socfpga/clk-gate-a10.c +++ b/drivers/clk/socfpga/clk-gate-a10.c @@ -158,6 +158,7 @@ static void __init __socfpga_gate_init(struct device_node *node, if (IS_ERR(socfpga_clk->sys_mgr_base_addr)) { pr_err("%s: failed to find altr,sys-mgr regmap!\n", __func__); + kfree(socfpga_clk); return; } } diff --git a/drivers/clk/socfpga/clk-gate.c b/drivers/clk/socfpga/clk-gate.c index aa7a6e6a15b6..14918896811d 100644 --- a/drivers/clk/socfpga/clk-gate.c +++ b/drivers/clk/socfpga/clk-gate.c @@ -107,7 +107,7 @@ static unsigned long socfpga_clk_recalc_rate(struct clk_hw *hwclk, val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift; val &= GENMASK(socfpgaclk->width - 1, 0); /* Check for GPIO_DB_CLK by its offset */ - if ((int) socfpgaclk->div_reg & SOCFPGA_GPIO_DB_CLK_OFFSET) + if ((uintptr_t) socfpgaclk->div_reg & SOCFPGA_GPIO_DB_CLK_OFFSET) div = val + 1; else div = (1 << val); diff --git a/drivers/clk/ti/clockdomain.c b/drivers/clk/ti/clockdomain.c index b9bc3b8df659..4fde9767392e 100644 --- a/drivers/clk/ti/clockdomain.c +++ b/drivers/clk/ti/clockdomain.c @@ -124,10 +124,12 @@ static void __init of_ti_clockdomain_setup(struct device_node *node) if (clk_hw_get_flags(clk_hw) & CLK_IS_BASIC) { pr_warn("can't setup clkdm for basic clk %s\n", __clk_get_name(clk)); + clk_put(clk); continue; } to_clk_hw_omap(clk_hw)->clkdm_name = clkdm_name; omap2_init_clk_clkdm(clk_hw); + clk_put(clk); } } diff --git a/drivers/clk/ti/fapll.c b/drivers/clk/ti/fapll.c index 66a0d0ed8b55..02ff499e3653 100644 --- a/drivers/clk/ti/fapll.c +++ b/drivers/clk/ti/fapll.c @@ -497,6 +497,7 @@ static struct clk * __init ti_fapll_synth_setup(struct fapll_data *fd, { struct clk_init_data *init; struct fapll_synth *synth; + struct clk *clk = ERR_PTR(-ENOMEM); init = kzalloc(sizeof(*init), GFP_KERNEL); if (!init) @@ -519,13 +520,19 @@ static struct clk * __init ti_fapll_synth_setup(struct fapll_data *fd, synth->hw.init = init; synth->clk_pll = pll_clk; - return clk_register(NULL, &synth->hw); + clk = clk_register(NULL, &synth->hw); + if (IS_ERR(clk)) { + pr_err("failed to register clock\n"); + goto free; + } + + return clk; free: kfree(synth); kfree(init); - return ERR_PTR(-ENOMEM); + return clk; } static void __init ti_fapll_setup(struct device_node *node) diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index c64d543d64bf..4e303c77caed 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -310,15 +310,24 @@ static void arch_timer_evtstrm_enable(int divider) static void arch_timer_configure_evtstream(void) { - int evt_stream_div, pos; + int evt_stream_div, lsb; + + /* + * As the event stream can at most be generated at half the frequency + * of the counter, use half the frequency when computing the divider. + */ + evt_stream_div = arch_timer_rate / ARCH_TIMER_EVT_STREAM_FREQ / 2; + + /* + * Find the closest power of two to the divisor. If the adjacent bit + * of lsb (last set bit, starts from 0) is set, then we use (lsb + 1). + */ + lsb = fls(evt_stream_div) - 1; + if (lsb > 0 && (evt_stream_div & BIT(lsb - 1))) + lsb++; - /* Find the closest power of two to the divisor */ - evt_stream_div = arch_timer_rate / ARCH_TIMER_EVT_STREAM_FREQ; - pos = fls(evt_stream_div); - if (pos > 1 && !(evt_stream_div & (1 << (pos - 2)))) - pos--; /* enable event stream */ - arch_timer_evtstrm_enable(min(pos, 15)); + arch_timer_evtstrm_enable(max(0, min(lsb, 15))); } static void arch_counter_set_user_access(void) diff --git a/drivers/clocksource/mxs_timer.c b/drivers/clocksource/mxs_timer.c index f5ce2961c0d6..23f125126fa8 100644 --- a/drivers/clocksource/mxs_timer.c +++ b/drivers/clocksource/mxs_timer.c @@ -154,10 +154,7 @@ static void mxs_irq_clear(char *state) /* Clear pending interrupt */ timrot_irq_acknowledge(); - -#ifdef DEBUG - pr_info("%s: changing mode to %s\n", __func__, state) -#endif /* DEBUG */ + pr_debug("%s: changing mode to %s\n", __func__, state); } static int mxs_shutdown(struct clock_event_device *evt) diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index c2598381fbc8..9738244a18dd 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -713,7 +713,8 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) cpumask_copy(policy->cpus, topology_core_cpumask(cpu)); } - if (check_amd_hwpstate_cpu(cpu) && !acpi_pstate_strict) { + if (check_amd_hwpstate_cpu(cpu) && boot_cpu_data.x86 < 0x19 && + !acpi_pstate_strict) { cpumask_clear(policy->cpus); cpumask_set_cpu(cpu, policy->cpus); cpumask_copy(data->freqdomain_cpus, diff --git a/drivers/cpufreq/highbank-cpufreq.c b/drivers/cpufreq/highbank-cpufreq.c index 1608f7105c9f..ad743f2f31e7 100644 --- a/drivers/cpufreq/highbank-cpufreq.c +++ b/drivers/cpufreq/highbank-cpufreq.c @@ -104,6 +104,13 @@ out_put_node: } module_init(hb_cpufreq_driver_init); +static const struct of_device_id __maybe_unused hb_cpufreq_of_match[] = { + { .compatible = "calxeda,highbank" }, + { .compatible = "calxeda,ecx-2000" }, + { }, +}; +MODULE_DEVICE_TABLE(of, hb_cpufreq_of_match); + MODULE_AUTHOR("Mark Langsdorf <mark.langsdorf@calxeda.com>"); MODULE_DESCRIPTION("Calxeda Highbank cpufreq driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/cpufreq/ls1x-cpufreq.c b/drivers/cpufreq/ls1x-cpufreq.c index 262581b3318d..367cb1615c30 100644 --- a/drivers/cpufreq/ls1x-cpufreq.c +++ b/drivers/cpufreq/ls1x-cpufreq.c @@ -217,6 +217,7 @@ static struct platform_driver ls1x_cpufreq_platdrv = { module_platform_driver(ls1x_cpufreq_platdrv); +MODULE_ALIAS("platform:ls1x-cpufreq"); MODULE_AUTHOR("Kelvin Cheung <keguang.zhang@gmail.com>"); MODULE_DESCRIPTION("Loongson 1 CPUFreq driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index 0b5bf135b090..59f16807921a 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -887,9 +887,9 @@ static int get_transition_latency(struct powernow_k8_data *data) /* Take a frequency, and issue the fid/vid transition command */ static int transition_frequency_fidvid(struct powernow_k8_data *data, - unsigned int index) + unsigned int index, + struct cpufreq_policy *policy) { - struct cpufreq_policy *policy; u32 fid = 0; u32 vid = 0; int res; @@ -921,9 +921,6 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data, freqs.old = find_khz_freq_from_fid(data->currfid); freqs.new = find_khz_freq_from_fid(fid); - policy = cpufreq_cpu_get(smp_processor_id()); - cpufreq_cpu_put(policy); - cpufreq_freq_transition_begin(policy, &freqs); res = transition_fid_vid(data, fid, vid); cpufreq_freq_transition_end(policy, &freqs, res); @@ -978,7 +975,7 @@ static long powernowk8_target_fn(void *arg) powernow_k8_acpi_pst_values(data, newstate); - ret = transition_frequency_fidvid(data, newstate); + ret = transition_frequency_fidvid(data, newstate, pol); if (ret) { pr_err("transition frequency failed\n"); diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c index 57e6c45724e7..1930a1d1a189 100644 --- a/drivers/cpufreq/powernv-cpufreq.c +++ b/drivers/cpufreq/powernv-cpufreq.c @@ -410,12 +410,15 @@ static int powernv_cpufreq_reboot_notifier(struct notifier_block *nb, unsigned long action, void *unused) { int cpu; - struct cpufreq_policy cpu_policy; + struct cpufreq_policy *cpu_policy; rebooting = true; for_each_online_cpu(cpu) { - cpufreq_get_policy(&cpu_policy, cpu); - powernv_cpufreq_target_index(&cpu_policy, get_nominal_index()); + cpu_policy = cpufreq_cpu_get(cpu); + if (!cpu_policy) + continue; + powernv_cpufreq_target_index(cpu_policy, get_nominal_index()); + cpufreq_cpu_put(cpu_policy); } return NOTIFY_DONE; diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c index de5e89b2eaaa..98f762cca901 100644 --- a/drivers/cpufreq/scpi-cpufreq.c +++ b/drivers/cpufreq/scpi-cpufreq.c @@ -119,6 +119,7 @@ static struct platform_driver scpi_cpufreq_platdrv = { }; module_platform_driver(scpi_cpufreq_platdrv); +MODULE_ALIAS("platform:scpi-cpufreq"); MODULE_AUTHOR("Sudeep Holla <sudeep.holla@arm.com>"); MODULE_DESCRIPTION("ARM SCPI CPUFreq interface driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index 8f2790353281..13657105cfb9 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c @@ -533,7 +533,7 @@ static void release_ixp_crypto(struct device *dev) if (crypt_virt) { dma_free_coherent(dev, - NPE_QLEN_TOTAL * sizeof( struct crypt_ctl), + NPE_QLEN * sizeof(struct crypt_ctl), crypt_virt, crypt_phys); } return; diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c index 48adb2a0903e..7e9a44cee425 100644 --- a/drivers/crypto/omap-sham.c +++ b/drivers/crypto/omap-sham.c @@ -453,6 +453,9 @@ static void omap_sham_write_ctrl_omap4(struct omap_sham_dev *dd, size_t length, struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req); u32 val, mask; + if (likely(ctx->digcnt)) + omap_sham_write(dd, SHA_REG_DIGCNT(dd), ctx->digcnt); + /* * Setting ALGO_CONST only for the first iteration and * CLOSE_HASH only for the last one. Note that flags mode bits diff --git a/drivers/crypto/qat/qat_common/adf_transport.c b/drivers/crypto/qat/qat_common/adf_transport.c index 3865ae8d96d9..78f0942a3270 100644 --- a/drivers/crypto/qat/qat_common/adf_transport.c +++ b/drivers/crypto/qat/qat_common/adf_transport.c @@ -198,6 +198,7 @@ static int adf_init_ring(struct adf_etr_ring_data *ring) dev_err(&GET_DEV(accel_dev), "Ring address not aligned\n"); dma_free_coherent(&GET_DEV(accel_dev), ring_size_bytes, ring->base_addr, ring->dma_addr); + ring->base_addr = NULL; return -EFAULT; } diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index 367b6661ee04..4dda526bd21b 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -822,6 +822,11 @@ static int qat_alg_aead_dec(struct aead_request *areq) struct icp_qat_fw_la_bulk_req *msg; int digst_size = crypto_aead_authsize(aead_tfm); int ret, ctr = 0; + u32 cipher_len; + + cipher_len = areq->cryptlen - digst_size; + if (cipher_len % AES_BLOCK_SIZE != 0) + return -EINVAL; ret = qat_alg_sgl_to_bufl(ctx->inst, areq->src, areq->dst, qat_req); if (unlikely(ret)) @@ -836,7 +841,7 @@ static int qat_alg_aead_dec(struct aead_request *areq) qat_req->req.comn_mid.src_data_addr = qat_req->buf.blp; qat_req->req.comn_mid.dest_data_addr = qat_req->buf.bloutp; cipher_param = (void *)&qat_req->req.serv_specif_rqpars; - cipher_param->cipher_length = areq->cryptlen - digst_size; + cipher_param->cipher_length = cipher_len; cipher_param->cipher_offset = areq->assoclen; memcpy(cipher_param->u.cipher_IV_array, areq->iv, AES_BLOCK_SIZE); auth_param = (void *)((uint8_t *)cipher_param + sizeof(*cipher_param)); @@ -865,6 +870,9 @@ static int qat_alg_aead_enc(struct aead_request *areq) uint8_t *iv = areq->iv; int ret, ctr = 0; + if (areq->cryptlen % AES_BLOCK_SIZE != 0) + return -EINVAL; + ret = qat_alg_sgl_to_bufl(ctx->inst, areq->src, areq->dst, qat_req); if (unlikely(ret)) return ret; diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_isr.c b/drivers/crypto/qat/qat_dh895xcc/adf_isr.c index 5570f78795c1..ddbb43da1a13 100644 --- a/drivers/crypto/qat/qat_dh895xcc/adf_isr.c +++ b/drivers/crypto/qat/qat_dh895xcc/adf_isr.c @@ -315,18 +315,31 @@ int adf_isr_resource_alloc(struct adf_accel_dev *accel_dev) ret = adf_isr_alloc_msix_entry_table(accel_dev); if (ret) - return ret; - if (adf_enable_msix(accel_dev)) goto err_out; - if (adf_setup_bh(accel_dev)) - goto err_out; + ret = adf_enable_msix(accel_dev); + if (ret) + goto err_free_msix_table; - if (adf_request_irqs(accel_dev)) - goto err_out; + ret = adf_setup_bh(accel_dev); + if (ret) + goto err_disable_msix; + + ret = adf_request_irqs(accel_dev); + if (ret) + goto err_cleanup_bh; return 0; + +err_cleanup_bh: + adf_cleanup_bh(accel_dev); + +err_disable_msix: + adf_disable_msix(&accel_dev->accel_pci_dev); + +err_free_msix_table: + adf_isr_free_msix_entry_table(accel_dev); + err_out: - adf_isr_resource_free(accel_dev); - return -EFAULT; + return ret; } diff --git a/drivers/crypto/qat/qat_dh895xccvf/adf_isr.c b/drivers/crypto/qat/qat_dh895xccvf/adf_isr.c index 87c5d8adb125..32f9c2b79681 100644 --- a/drivers/crypto/qat/qat_dh895xccvf/adf_isr.c +++ b/drivers/crypto/qat/qat_dh895xccvf/adf_isr.c @@ -243,16 +243,25 @@ int adf_vf_isr_resource_alloc(struct adf_accel_dev *accel_dev) goto err_out; if (adf_setup_pf2vf_bh(accel_dev)) - goto err_out; + goto err_disable_msi; if (adf_setup_bh(accel_dev)) - goto err_out; + goto err_cleanup_pf2vf_bh; if (adf_request_msi_irq(accel_dev)) - goto err_out; + goto err_cleanup_bh; return 0; + +err_cleanup_bh: + adf_cleanup_bh(accel_dev); + +err_cleanup_pf2vf_bh: + adf_cleanup_pf2vf_bh(accel_dev); + +err_disable_msi: + adf_disable_msi(accel_dev); + err_out: - adf_vf_isr_resource_free(accel_dev); return -EFAULT; } diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index 1c8857e7db89..cfefa18bca28 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -440,7 +440,7 @@ DEF_TALITOS2_DONE(ch1_3, TALITOS2_ISR_CH_1_3_DONE) /* * locate current (offending) descriptor */ -static u32 current_desc_hdr(struct device *dev, int ch) +static __be32 current_desc_hdr(struct device *dev, int ch) { struct talitos_private *priv = dev_get_drvdata(dev); int tail, iter; @@ -471,13 +471,13 @@ static u32 current_desc_hdr(struct device *dev, int ch) /* * user diagnostics; report root cause of error based on execution unit status */ -static void report_eu_error(struct device *dev, int ch, u32 desc_hdr) +static void report_eu_error(struct device *dev, int ch, __be32 desc_hdr) { struct talitos_private *priv = dev_get_drvdata(dev); int i; if (!desc_hdr) - desc_hdr = in_be32(priv->chan[ch].reg + TALITOS_DESCBUF); + desc_hdr = cpu_to_be32(in_be32(priv->chan[ch].reg + TALITOS_DESCBUF)); switch (desc_hdr & DESC_HDR_SEL0_MASK) { case DESC_HDR_SEL0_AFEU: diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c index 1d01e3805f9c..f417fba9bf1c 100644 --- a/drivers/dma/dma-jz4780.c +++ b/drivers/dma/dma-jz4780.c @@ -563,11 +563,11 @@ static enum dma_status jz4780_dma_tx_status(struct dma_chan *chan, enum dma_status status; unsigned long flags; + spin_lock_irqsave(&jzchan->vchan.lock, flags); + status = dma_cookie_status(chan, cookie, txstate); if ((status == DMA_COMPLETE) || (txstate == NULL)) - return status; - - spin_lock_irqsave(&jzchan->vchan.lock, flags); + goto out_unlock_irqrestore; vdesc = vchan_find_desc(&jzchan->vchan, cookie); if (vdesc) { @@ -584,6 +584,7 @@ static enum dma_status jz4780_dma_tx_status(struct dma_chan *chan, && jzchan->desc->status & (JZ_DMA_DCS_AR | JZ_DMA_DCS_HLT)) status = DMA_ERROR; +out_unlock_irqrestore: spin_unlock_irqrestore(&jzchan->vchan.lock, flags); return status; } diff --git a/drivers/dma/dw/Kconfig b/drivers/dma/dw/Kconfig index e00c9b022964..6ea3e95c287b 100644 --- a/drivers/dma/dw/Kconfig +++ b/drivers/dma/dw/Kconfig @@ -11,6 +11,7 @@ config DW_DMAC_BIG_ENDIAN_IO config DW_DMAC tristate "Synopsys DesignWare AHB DMA platform driver" + depends on HAS_IOMEM select DW_DMAC_CORE select DW_DMAC_BIG_ENDIAN_IO if AVR32 default y if CPU_AT32AP7000 @@ -21,6 +22,7 @@ config DW_DMAC config DW_DMAC_PCI tristate "Synopsys DesignWare AHB DMA PCI driver" depends on PCI + depends on HAS_IOMEM select DW_DMAC_CORE help Support the Synopsys DesignWare AHB DMA controller on the diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 2209f75fdf05..7c4b4c71d3a0 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -1335,6 +1335,7 @@ static int fsldma_of_probe(struct platform_device *op) { struct fsldma_device *fdev; struct device_node *child; + unsigned int i; int err; fdev = kzalloc(sizeof(*fdev), GFP_KERNEL); @@ -1416,6 +1417,10 @@ static int fsldma_of_probe(struct platform_device *op) return 0; out_free_fdev: + for (i = 0; i < FSL_DMA_MAX_CHANS_PER_DEVICE; i++) { + if (fdev->chan[i]) + fsl_dma_chan_remove(fdev->chan[i]); + } irq_dispose_mapping(fdev->irq); kfree(fdev); out_return: @@ -1436,6 +1441,7 @@ static int fsldma_of_remove(struct platform_device *op) if (fdev->chan[i]) fsl_dma_chan_remove(fdev->chan[i]); } + irq_dispose_mapping(fdev->irq); iounmap(fdev->regs); kfree(fdev); diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 9aa57b37381a..6ea993478ddd 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2531,13 +2531,15 @@ static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic( for (i = 0; i < len / period_len; i++) { desc = pl330_get_desc(pch); if (!desc) { + unsigned long iflags; + dev_err(pch->dmac->ddma.dev, "%s:%d Unable to fetch desc\n", __func__, __LINE__); if (!first) return NULL; - spin_lock_irqsave(&pl330->pool_lock, flags); + spin_lock_irqsave(&pl330->pool_lock, iflags); while (!list_empty(&first->node)) { desc = list_entry(first->node.next, @@ -2547,7 +2549,7 @@ static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic( list_move_tail(&first->node, &pl330->desc_pool); - spin_unlock_irqrestore(&pl330->pool_lock, flags); + spin_unlock_irqrestore(&pl330->pool_lock, iflags); return NULL; } @@ -2634,7 +2636,7 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, * If burst size is smaller than bus width then make sure we only * transfer one at a time to avoid a burst stradling an MFIFO entry. */ - if (desc->rqcfg.brst_size * 8 < pl330->pcfg.data_bus_width) + if (burst * 8 < pl330->pcfg.data_bus_width) desc->rqcfg.brst_len = 1; desc->bytes_requested = len; diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 0fede051f4e1..e6d3ed1de374 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -3715,6 +3715,9 @@ failure: kfree(base->lcla_pool.base_unaligned); + if (base->lcpa_base) + iounmap(base->lcpa_base); + if (base->phy_lcpa) release_mem_region(base->phy_lcpa, base->lcpa_size); diff --git a/drivers/edac/i5100_edac.c b/drivers/edac/i5100_edac.c index 40917775dca1..59d10f48ed6a 100644 --- a/drivers/edac/i5100_edac.c +++ b/drivers/edac/i5100_edac.c @@ -1075,16 +1075,15 @@ static int i5100_init_one(struct pci_dev *pdev, const struct pci_device_id *id) PCI_DEVICE_ID_INTEL_5100_19, 0); if (!einj) { ret = -ENODEV; - goto bail_einj; + goto bail_mc_free; } rc = pci_enable_device(einj); if (rc < 0) { ret = rc; - goto bail_disable_einj; + goto bail_einj; } - mci->pdev = &pdev->dev; priv = mci->pvt_info; @@ -1151,14 +1150,14 @@ static int i5100_init_one(struct pci_dev *pdev, const struct pci_device_id *id) bail_scrub: priv->scrub_enable = 0; cancel_delayed_work_sync(&(priv->i5100_scrubbing)); - edac_mc_free(mci); - -bail_disable_einj: pci_disable_device(einj); bail_einj: pci_dev_put(einj); +bail_mc_free: + edac_mc_free(mci); + bail_disable_ch1: pci_disable_device(ch1mm); diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c index 44c499e1beee..02b3feb76ca9 100644 --- a/drivers/extcon/extcon-max77693.c +++ b/drivers/extcon/extcon-max77693.c @@ -1262,4 +1262,4 @@ module_platform_driver(max77693_muic_driver); MODULE_DESCRIPTION("Maxim MAX77693 Extcon driver"); MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:extcon-max77693"); +MODULE_ALIAS("platform:max77693-muic"); diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c index 21a123cadf78..e7fef10bd12c 100644 --- a/drivers/extcon/extcon.c +++ b/drivers/extcon/extcon.c @@ -932,6 +932,7 @@ int extcon_dev_register(struct extcon_dev *edev) sizeof(*edev->nh) * edev->max_supported, GFP_KERNEL); if (!edev->nh) { ret = -ENOMEM; + device_unregister(&edev->dev); goto err_dev; } diff --git a/drivers/firewire/nosy.c b/drivers/firewire/nosy.c index 76b2d390f6ec..40ed4d8c61f5 100644 --- a/drivers/firewire/nosy.c +++ b/drivers/firewire/nosy.c @@ -358,6 +358,7 @@ nosy_ioctl(struct file *file, unsigned int cmd, unsigned long arg) struct client *client = file->private_data; spinlock_t *client_list_lock = &client->lynx->client_list_lock; struct nosy_stats stats; + int ret; switch (cmd) { case NOSY_IOC_GET_STATS: @@ -372,11 +373,15 @@ nosy_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return 0; case NOSY_IOC_START: + ret = -EBUSY; spin_lock_irq(client_list_lock); - list_add_tail(&client->link, &client->lynx->client_list); + if (list_empty(&client->link)) { + list_add_tail(&client->link, &client->lynx->client_list); + ret = 0; + } spin_unlock_irq(client_list_lock); - return 0; + return ret; case NOSY_IOC_STOP: spin_lock_irq(client_list_lock); diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c index c0e54396f250..dc8d2603612e 100644 --- a/drivers/firmware/efi/cper.c +++ b/drivers/firmware/efi/cper.c @@ -257,8 +257,7 @@ static int cper_dimm_err_location(struct cper_mem_err_compact *mem, char *msg) if (!msg || !(mem->validation_bits & CPER_MEM_VALID_MODULE_HANDLE)) return 0; - n = 0; - len = CPER_REC_LEN - 1; + len = CPER_REC_LEN; dmi_memdev_name(mem->mem_dev_handle, &bank, &device); if (bank && device) n = snprintf(msg, len, "DIMM location: %s %s ", bank, device); @@ -267,7 +266,6 @@ static int cper_dimm_err_location(struct cper_mem_err_compact *mem, char *msg) "DIMM location: not present. DMI handle: 0x%.4x ", mem->mem_dev_handle); - msg[n] = '\0'; return n; } diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c index 1d4d9bc8b69d..0affb47d028a 100644 --- a/drivers/gpio/gpio-pcf857x.c +++ b/drivers/gpio/gpio-pcf857x.c @@ -370,7 +370,7 @@ static int pcf857x_probe(struct i2c_client *client, * reset state. Otherwise it flags pins to be driven low. */ gpio->out = ~n_latch; - gpio->status = gpio->out; + gpio->status = gpio->read(gpio->client); status = gpiochip_add(&gpio->chip); if (status < 0) diff --git a/drivers/gpio/gpio-tc3589x.c b/drivers/gpio/gpio-tc3589x.c index d1d585ddb9ab..dd19805d587d 100644 --- a/drivers/gpio/gpio-tc3589x.c +++ b/drivers/gpio/gpio-tc3589x.c @@ -157,7 +157,7 @@ static void tc3589x_gpio_irq_sync_unlock(struct irq_data *d) continue; tc3589x_gpio->oldregs[i][j] = new; - tc3589x_reg_write(tc3589x, regmap[i] + j * 8, new); + tc3589x_reg_write(tc3589x, regmap[i] + j, new); } } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index d3ee8f19f1ef..5ff941bbfb5b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -311,7 +311,7 @@ int amdgpu_crtc_set_config(struct drm_mode_set *set) take the current one */ if (active && !adev->have_disp_power_ref) { adev->have_disp_power_ref = true; - goto out; + return ret; } /* if we have no active crtcs, then drop the power ref we got before */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 062c23125b2a..014b87143837 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -566,7 +566,7 @@ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_tt *ttm) DMA_BIDIRECTIONAL : DMA_TO_DEVICE; /* double check that we don't free the table twice */ - if (!ttm->sg->sgl) + if (!ttm->sg || !ttm->sg->sgl) return; /* free the sg table and pages again */ @@ -737,6 +737,7 @@ static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm) if (gtt && gtt->userptr) { kfree(ttm->sg); + ttm->sg = NULL; ttm->page_flags &= ~TTM_PAGE_FLAG_SG; return; } diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c index c568293cb6c1..f1745c5cdf7b 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c @@ -1118,22 +1118,19 @@ static int cik_sdma_soft_reset(void *handle) { u32 srbm_soft_reset = 0; struct amdgpu_device *adev = (struct amdgpu_device *)handle; - u32 tmp = RREG32(mmSRBM_STATUS2); + u32 tmp; - if (tmp & SRBM_STATUS2__SDMA_BUSY_MASK) { - /* sdma0 */ - tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET); - tmp |= SDMA0_F32_CNTL__HALT_MASK; - WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp); - srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA_MASK; - } - if (tmp & SRBM_STATUS2__SDMA1_BUSY_MASK) { - /* sdma1 */ - tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET); - tmp |= SDMA0_F32_CNTL__HALT_MASK; - WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp); - srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA1_MASK; - } + /* sdma0 */ + tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET); + tmp |= SDMA0_F32_CNTL__HALT_MASK; + WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp); + srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA_MASK; + + /* sdma1 */ + tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET); + tmp |= SDMA0_F32_CNTL__HALT_MASK; + WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp); + srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA1_MASK; if (srbm_soft_reset) { cik_sdma_print_status((void *)adev); diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c index d3de377dc857..e465d7127258 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_dp.c +++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c @@ -2120,12 +2120,12 @@ cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev intel_dp->dpcd, sizeof(intel_dp->dpcd)); cdv_intel_edp_panel_vdd_off(gma_encoder); - if (ret == 0) { + if (ret <= 0) { /* if this fails, presume the device is a ghost */ DRM_INFO("failed to retrieve link info, disabling eDP\n"); cdv_intel_dp_encoder_destroy(encoder); cdv_intel_dp_destroy(connector); - goto err_priv; + goto err_connector; } else { DRM_DEBUG_KMS("DPCD: Rev=%x LN_Rate=%x LN_CNT=%x LN_DOWNSP=%x\n", intel_dp->dpcd[0], intel_dp->dpcd[1], diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi_i2c.c b/drivers/gpu/drm/gma500/oaktrail_hdmi_i2c.c index e28107061148..fc9a34ed58bd 100644 --- a/drivers/gpu/drm/gma500/oaktrail_hdmi_i2c.c +++ b/drivers/gpu/drm/gma500/oaktrail_hdmi_i2c.c @@ -279,11 +279,8 @@ int oaktrail_hdmi_i2c_init(struct pci_dev *dev) hdmi_dev = pci_get_drvdata(dev); i2c_dev = kzalloc(sizeof(struct hdmi_i2c_dev), GFP_KERNEL); - if (i2c_dev == NULL) { - DRM_ERROR("Can't allocate interface\n"); - ret = -ENOMEM; - goto exit; - } + if (!i2c_dev) + return -ENOMEM; i2c_dev->adap = &oaktrail_hdmi_i2c_adapter; i2c_dev->status = I2C_STAT_INIT; @@ -300,16 +297,23 @@ int oaktrail_hdmi_i2c_init(struct pci_dev *dev) oaktrail_hdmi_i2c_adapter.name, hdmi_dev); if (ret) { DRM_ERROR("Failed to request IRQ for I2C controller\n"); - goto err; + goto free_dev; } /* Adapter registration */ ret = i2c_add_numbered_adapter(&oaktrail_hdmi_i2c_adapter); - return ret; + if (ret) { + DRM_ERROR("Failed to add I2C adapter\n"); + goto free_irq; + } -err: + return 0; + +free_irq: + free_irq(dev->irq, hdmi_dev); +free_dev: kfree(i2c_dev); -exit: + return ret; } diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c index db98ab5cde3d..15a909efe0c7 100644 --- a/drivers/gpu/drm/gma500/psb_drv.c +++ b/drivers/gpu/drm/gma500/psb_drv.c @@ -325,6 +325,8 @@ static int psb_driver_load(struct drm_device *dev, unsigned long flags) if (ret) goto out_err; + ret = -ENOMEM; + dev_priv->mmu = psb_mmu_driver_init(dev, 1, 0, 0); if (!dev_priv->mmu) goto out_err; diff --git a/drivers/gpu/drm/gma500/psb_irq.c b/drivers/gpu/drm/gma500/psb_irq.c index 78eb10902809..076b6da44f46 100644 --- a/drivers/gpu/drm/gma500/psb_irq.c +++ b/drivers/gpu/drm/gma500/psb_irq.c @@ -350,6 +350,7 @@ int psb_irq_postinstall(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; unsigned long irqflags; + unsigned int i; spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); @@ -362,20 +363,12 @@ int psb_irq_postinstall(struct drm_device *dev) PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R); PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); - if (dev->vblank[0].enabled) - psb_enable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE); - else - psb_disable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE); - - if (dev->vblank[1].enabled) - psb_enable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE); - else - psb_disable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE); - - if (dev->vblank[2].enabled) - psb_enable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE); - else - psb_disable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE); + for (i = 0; i < dev->num_crtcs; ++i) { + if (dev->vblank[i].enabled) + psb_enable_pipestat(dev_priv, i, PIPE_VBLANK_INTERRUPT_ENABLE); + else + psb_disable_pipestat(dev_priv, i, PIPE_VBLANK_INTERRUPT_ENABLE); + } if (dev_priv->ops->hotplug_enable) dev_priv->ops->hotplug_enable(dev, true); @@ -388,6 +381,7 @@ void psb_irq_uninstall(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; unsigned long irqflags; + unsigned int i; spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); @@ -396,14 +390,10 @@ void psb_irq_uninstall(struct drm_device *dev) PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); - if (dev->vblank[0].enabled) - psb_disable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE); - - if (dev->vblank[1].enabled) - psb_disable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE); - - if (dev->vblank[2].enabled) - psb_disable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE); + for (i = 0; i < dev->num_crtcs; ++i) { + if (dev->vblank[i].enabled) + psb_disable_pipestat(dev_priv, i, PIPE_VBLANK_INTERRUPT_ENABLE); + } dev_priv->vdc_irq_mask &= _PSB_IRQ_SGX_FLAG | _PSB_IRQ_MSVDX_FLAG | diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index b9dc2ef64ed8..74585ba16501 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -217,6 +217,11 @@ static void imx_ldb_encoder_commit(struct drm_encoder *encoder) int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; int mux = imx_drm_encoder_get_mux_id(imx_ldb_ch->child, encoder); + if (mux < 0 || mux >= ARRAY_SIZE(ldb->clk_sel)) { + dev_warn(ldb->dev, "%s: invalid mux %d\n", __func__, mux); + return; + } + drm_panel_prepare(imx_ldb_ch->panel); if (dual) { @@ -267,6 +272,11 @@ static void imx_ldb_encoder_mode_set(struct drm_encoder *encoder, unsigned long di_clk = mode->clock * 1000; int mux = imx_drm_encoder_get_mux_id(imx_ldb_ch->child, encoder); + if (mux < 0 || mux >= ARRAY_SIZE(ldb->clk_sel)) { + dev_warn(ldb->dev, "%s: invalid mux %d\n", __func__, mux); + return; + } + if (mode->clock > 170000) { dev_warn(ldb->dev, "%s: mode exceeds 170 MHz pixel clock\n", __func__); diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cmd_encoder.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cmd_encoder.c index 8e6c9b598a57..d8c7b8a6a418 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cmd_encoder.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cmd_encoder.c @@ -128,9 +128,17 @@ static int pingpong_tearcheck_setup(struct drm_encoder *encoder, | MDP5_PP_SYNC_CONFIG_VSYNC_IN_EN; cfg |= MDP5_PP_SYNC_CONFIG_VSYNC_COUNT(vclks_line); + /* + * Tearcheck emits a blanking signal every vclks_line * vtotal * 2 ticks on + * the vsync_clk equating to roughly half the desired panel refresh rate. + * This is only necessary as stability fallback if interrupts from the + * panel arrive too late or not at all, but is currently used by default + * because these panel interrupts are not wired up yet. + */ mdp5_write(mdp5_kms, REG_MDP5_PP_SYNC_CONFIG_VSYNC(pp_id), cfg); mdp5_write(mdp5_kms, - REG_MDP5_PP_SYNC_CONFIG_HEIGHT(pp_id), 0xfff0); + REG_MDP5_PP_SYNC_CONFIG_HEIGHT(pp_id), (2 * mode->vtotal)); + mdp5_write(mdp5_kms, REG_MDP5_PP_VSYNC_INIT_VAL(pp_id), mode->vdisplay); mdp5_write(mdp5_kms, REG_MDP5_PP_RD_PTR_IRQ(pp_id), mode->vdisplay + 1); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c index 7deb81b6dbac..4b571cc6bc70 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c @@ -75,7 +75,7 @@ shadow_image(struct nvkm_bios *bios, int idx, u32 offset, struct shadow *mthd) nvkm_debug(subdev, "%08x: type %02x, %d bytes\n", image.base, image.type, image.size); - if (!shadow_fetch(bios, mthd, image.size)) { + if (!shadow_fetch(bios, mthd, image.base + image.size)) { nvkm_debug(subdev, "%08x: fetch failed\n", image.base); return 0; } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm204.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm204.c index 7cac8fe372b6..a3cede8df4fd 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm204.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm204.c @@ -33,7 +33,7 @@ static void gm204_i2c_aux_fini(struct gm204_i2c_aux *aux) { struct nvkm_device *device = aux->base.pad->i2c->subdev.device; - nvkm_mask(device, 0x00d954 + (aux->ch * 0x50), 0x00310000, 0x00000000); + nvkm_mask(device, 0x00d954 + (aux->ch * 0x50), 0x00710000, 0x00000000); } static int @@ -54,10 +54,10 @@ gm204_i2c_aux_init(struct gm204_i2c_aux *aux) AUX_ERR(&aux->base, "begin idle timeout %08x", ctrl); return -EBUSY; } - } while (ctrl & 0x03010000); + } while (ctrl & 0x07010000); /* set some magic, and wait up to 1ms for it to appear */ - nvkm_mask(device, 0x00d954 + (aux->ch * 0x50), 0x00300000, ureq); + nvkm_mask(device, 0x00d954 + (aux->ch * 0x50), 0x00700000, ureq); timeout = 1000; do { ctrl = nvkm_rd32(device, 0x00d954 + (aux->ch * 0x50)); @@ -67,7 +67,7 @@ gm204_i2c_aux_init(struct gm204_i2c_aux *aux) gm204_i2c_aux_fini(aux); return -EBUSY; } - } while ((ctrl & 0x03000000) != urep); + } while ((ctrl & 0x07000000) != urep); return 0; } diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c index 8282ae0c4fc3..bed686279882 100644 --- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c +++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c @@ -720,6 +720,7 @@ static int omap_dmm_probe(struct platform_device *dev) &omap_dmm->refill_pa, GFP_KERNEL); if (!omap_dmm->refill_va) { dev_err(&dev->dev, "could not allocate refill memory\n"); + ret = -ENOMEM; goto fail; } diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 0c5b3eeff82d..230e2dcdf053 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -2259,10 +2259,10 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev) rdev->pm.default_power_state_index = state_index - 1; rdev->pm.power_state[state_index - 1].default_clock_mode = &rdev->pm.power_state[state_index - 1].clock_info[0]; - rdev->pm.power_state[state_index].flags &= + rdev->pm.power_state[state_index - 1].flags &= ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY; - rdev->pm.power_state[state_index].misc = 0; - rdev->pm.power_state[state_index].misc2 = 0; + rdev->pm.power_state[state_index - 1].misc = 0; + rdev->pm.power_state[state_index - 1].misc2 = 0; } return state_index; } diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 41caf7da9054..6168ada4e3ad 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -503,6 +503,7 @@ static int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *value = rdev->config.si.backend_enable_mask; } else { DRM_DEBUG_KMS("BACKEND_ENABLED_MASK is si+ only!\n"); + return -EINVAL; } break; case RADEON_INFO_MAX_SCLK: diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index b35ebabd6a9f..eab985fdcfbd 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -242,7 +242,7 @@ int radeon_uvd_resume(struct radeon_device *rdev) if (rdev->uvd.vcpu_bo == NULL) return -EINVAL; - memcpy(rdev->uvd.cpu_addr, rdev->uvd_fw->data, rdev->uvd_fw->size); + memcpy_toio((void __iomem *)rdev->uvd.cpu_addr, rdev->uvd_fw->data, rdev->uvd_fw->size); size = radeon_bo_size(rdev->uvd.vcpu_bo); size -= rdev->uvd_fw->size; @@ -250,7 +250,7 @@ int radeon_uvd_resume(struct radeon_device *rdev) ptr = rdev->uvd.cpu_addr; ptr += rdev->uvd_fw->size; - memset(ptr, 0, size); + memset_io((void __iomem *)ptr, 0, size); return 0; } diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c index 06496a128162..476b9993b068 100644 --- a/drivers/gpu/drm/virtio/virtgpu_kms.c +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c @@ -113,8 +113,10 @@ static void virtio_gpu_get_capsets(struct virtio_gpu_device *vgdev, vgdev->capsets[i].id > 0, 5 * HZ); if (ret == 0) { DRM_ERROR("timed out waiting for cap set %d\n", i); + spin_lock(&vgdev->display_info_lock); kfree(vgdev->capsets); vgdev->capsets = NULL; + spin_unlock(&vgdev->display_info_lock); return; } DRM_INFO("cap set %d: id %d, max-version %d, max-size %d\n", diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index 772a5a3b0ce1..18e8fcad6690 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -596,9 +596,13 @@ static void virtio_gpu_cmd_get_capset_info_cb(struct virtio_gpu_device *vgdev, int i = le32_to_cpu(cmd->capset_index); spin_lock(&vgdev->display_info_lock); - vgdev->capsets[i].id = le32_to_cpu(resp->capset_id); - vgdev->capsets[i].max_version = le32_to_cpu(resp->capset_max_version); - vgdev->capsets[i].max_size = le32_to_cpu(resp->capset_max_size); + if (vgdev->capsets) { + vgdev->capsets[i].id = le32_to_cpu(resp->capset_id); + vgdev->capsets[i].max_version = le32_to_cpu(resp->capset_max_version); + vgdev->capsets[i].max_size = le32_to_cpu(resp->capset_max_size); + } else { + DRM_ERROR("invalid capset memory."); + } spin_unlock(&vgdev->display_info_lock); wake_up(&vgdev->resp_wq); } diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 9425c789b097..1dd97f4b449a 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -91,7 +91,7 @@ EXPORT_SYMBOL_GPL(hid_register_report); * Register a new field for this report. */ -static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values) +static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages) { struct hid_field *field; @@ -102,7 +102,7 @@ static struct hid_field *hid_register_field(struct hid_report *report, unsigned field = kzalloc((sizeof(struct hid_field) + usages * sizeof(struct hid_usage) + - values * sizeof(unsigned)), GFP_KERNEL); + usages * sizeof(unsigned)), GFP_KERNEL); if (!field) return NULL; @@ -281,7 +281,7 @@ static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsign usages = max_t(unsigned, parser->local.usage_index, parser->global.report_count); - field = hid_register_field(report, usages, parser->global.report_count); + field = hid_register_field(report, usages); if (!field) return 0; @@ -1109,6 +1109,9 @@ EXPORT_SYMBOL_GPL(hid_open_report); static s32 snto32(__u32 value, unsigned n) { + if (!value || !n) + return 0; + switch (n) { case 8: return ((__s8)value); case 16: return ((__s16)value); @@ -1762,6 +1765,9 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask) case BUS_I2C: bus = "I2C"; break; + case BUS_VIRTUAL: + bus = "VIRTUAL"; + break; default: bus = "<UNKNOWN>"; } diff --git a/drivers/hid/hid-cypress.c b/drivers/hid/hid-cypress.c index 1689568b597d..12c5d7c96527 100644 --- a/drivers/hid/hid-cypress.c +++ b/drivers/hid/hid-cypress.c @@ -26,19 +26,17 @@ #define CP_2WHEEL_MOUSE_HACK 0x02 #define CP_2WHEEL_MOUSE_HACK_ON 0x04 +#define VA_INVAL_LOGICAL_BOUNDARY 0x08 + /* * Some USB barcode readers from cypress have usage min and usage max in * the wrong order */ -static __u8 *cp_report_fixup(struct hid_device *hdev, __u8 *rdesc, +static __u8 *cp_rdesc_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { - unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); unsigned int i; - if (!(quirks & CP_RDESC_SWAPPED_MIN_MAX)) - return rdesc; - if (*rsize < 4) return rdesc; @@ -51,6 +49,40 @@ static __u8 *cp_report_fixup(struct hid_device *hdev, __u8 *rdesc, return rdesc; } +static __u8 *va_logical_boundary_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + /* + * Varmilo VA104M (with VID Cypress and device ID 07B1) incorrectly + * reports Logical Minimum of its Consumer Control device as 572 + * (0x02 0x3c). Fix this by setting its Logical Minimum to zero. + */ + if (*rsize == 25 && + rdesc[0] == 0x05 && rdesc[1] == 0x0c && + rdesc[2] == 0x09 && rdesc[3] == 0x01 && + rdesc[6] == 0x19 && rdesc[7] == 0x00 && + rdesc[11] == 0x16 && rdesc[12] == 0x3c && rdesc[13] == 0x02) { + hid_info(hdev, + "fixing up varmilo VA104M consumer control report descriptor\n"); + rdesc[12] = 0x00; + rdesc[13] = 0x00; + } + return rdesc; +} + +static __u8 *cp_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if (quirks & CP_RDESC_SWAPPED_MIN_MAX) + rdesc = cp_rdesc_fixup(hdev, rdesc, rsize); + if (quirks & VA_INVAL_LOGICAL_BOUNDARY) + rdesc = va_logical_boundary_fixup(hdev, rdesc, rsize); + + return rdesc; +} + static int cp_input_mapped(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) @@ -131,6 +163,8 @@ static const struct hid_device_id cp_devices[] = { .driver_data = CP_RDESC_SWAPPED_MIN_MAX }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE), .driver_data = CP_2WHEEL_MOUSE_HACK }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_VARMILO_VA104M_07B1), + .driver_data = VA_INVAL_LOGICAL_BOUNDARY }, { } }; MODULE_DEVICE_TABLE(hid, cp_devices); diff --git a/drivers/hid/hid-gt683r.c b/drivers/hid/hid-gt683r.c index 0d6f135e266c..2991957bbb7f 100644 --- a/drivers/hid/hid-gt683r.c +++ b/drivers/hid/hid-gt683r.c @@ -64,6 +64,7 @@ static const struct hid_device_id gt683r_led_id[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) }, { } }; +MODULE_DEVICE_TABLE(hid, gt683r_led_id); static void gt683r_brightness_set(struct led_classdev *led_cdev, enum led_brightness brightness) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 33d2b5948d7f..cbf13e993902 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -279,6 +279,8 @@ #define USB_DEVICE_ID_CYPRESS_BARCODE_4 0xed81 #define USB_DEVICE_ID_CYPRESS_TRUETOUCH 0xc001 +#define USB_DEVICE_ID_CYPRESS_VARMILO_VA104M_07B1 0X07b1 + #define USB_VENDOR_ID_DATA_MODUL 0x7374 #define USB_VENDOR_ID_DATA_MODUL_EASYMAXTOUCH 0x1201 @@ -767,6 +769,7 @@ #define USB_DEVICE_ID_ORTEK_WKB2000 0x2000 #define USB_VENDOR_ID_PLANTRONICS 0x047f +#define USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3220_SERIES 0xc056 #define USB_VENDOR_ID_PANASONIC 0x04da #define USB_DEVICE_ID_PANABOARD_UBT780 0x1044 diff --git a/drivers/hid/hid-plantronics.c b/drivers/hid/hid-plantronics.c index 584b10d3fc3d..460711c1124a 100644 --- a/drivers/hid/hid-plantronics.c +++ b/drivers/hid/hid-plantronics.c @@ -16,6 +16,7 @@ #include <linux/hid.h> #include <linux/module.h> +#include <linux/jiffies.h> #define PLT_HID_1_0_PAGE 0xffa00000 #define PLT_HID_2_0_PAGE 0xffa20000 @@ -39,6 +40,16 @@ #define PLT_ALLOW_CONSUMER (field->application == HID_CP_CONSUMERCONTROL && \ (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) +#define PLT_QUIRK_DOUBLE_VOLUME_KEYS BIT(0) + +#define PLT_DOUBLE_KEY_TIMEOUT 5 /* ms */ + +struct plt_drv_data { + unsigned long device_type; + unsigned long last_volume_key_ts; + u32 quirks; +}; + static int plantronics_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, @@ -46,7 +57,8 @@ static int plantronics_input_mapping(struct hid_device *hdev, unsigned long **bit, int *max) { unsigned short mapped_key; - unsigned long plt_type = (unsigned long)hid_get_drvdata(hdev); + struct plt_drv_data *drv_data = hid_get_drvdata(hdev); + unsigned long plt_type = drv_data->device_type; /* special case for PTT products */ if (field->application == HID_GD_JOYSTICK) @@ -108,6 +120,30 @@ mapped: return 1; } +static int plantronics_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + struct plt_drv_data *drv_data = hid_get_drvdata(hdev); + + if (drv_data->quirks & PLT_QUIRK_DOUBLE_VOLUME_KEYS) { + unsigned long prev_ts, cur_ts; + + /* Usages are filtered in plantronics_usages. */ + + if (!value) /* Handle key presses only. */ + return 0; + + prev_ts = drv_data->last_volume_key_ts; + cur_ts = jiffies; + if (jiffies_to_msecs(cur_ts - prev_ts) <= PLT_DOUBLE_KEY_TIMEOUT) + return 1; /* Ignore the repeated key. */ + + drv_data->last_volume_key_ts = cur_ts; + } + + return 0; +} + static unsigned long plantronics_device_type(struct hid_device *hdev) { unsigned i, col_page; @@ -136,15 +172,24 @@ exit: static int plantronics_probe(struct hid_device *hdev, const struct hid_device_id *id) { + struct plt_drv_data *drv_data; int ret; + drv_data = devm_kzalloc(&hdev->dev, sizeof(*drv_data), GFP_KERNEL); + if (!drv_data) + return -ENOMEM; + ret = hid_parse(hdev); if (ret) { hid_err(hdev, "parse failed\n"); goto err; } - hid_set_drvdata(hdev, (void *)plantronics_device_type(hdev)); + drv_data->device_type = plantronics_device_type(hdev); + drv_data->quirks = id->driver_data; + drv_data->last_volume_key_ts = jiffies - msecs_to_jiffies(PLT_DOUBLE_KEY_TIMEOUT); + + hid_set_drvdata(hdev, drv_data); ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | HID_CONNECT_HIDINPUT_FORCE | HID_CONNECT_HIDDEV_FORCE); @@ -156,15 +201,26 @@ err: } static const struct hid_device_id plantronics_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, + USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3220_SERIES), + .driver_data = PLT_QUIRK_DOUBLE_VOLUME_KEYS }, { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) }, { } }; MODULE_DEVICE_TABLE(hid, plantronics_devices); +static const struct hid_usage_id plantronics_usages[] = { + { HID_CP_VOLUMEUP, EV_KEY, HID_ANY_ID }, + { HID_CP_VOLUMEDOWN, EV_KEY, HID_ANY_ID }, + { HID_TERMINATOR, HID_TERMINATOR, HID_TERMINATOR } +}; + static struct hid_driver plantronics_driver = { .name = "plantronics", .id_table = plantronics_devices, + .usage_table = plantronics_usages, .input_mapping = plantronics_input_mapping, + .event = plantronics_event, .probe = plantronics_probe, }; module_hid_driver(plantronics_driver); diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c index c29265055ac1..6c2b821c8d8b 100644 --- a/drivers/hid/hid-roccat-kone.c +++ b/drivers/hid/hid-roccat-kone.c @@ -299,31 +299,40 @@ static ssize_t kone_sysfs_write_settings(struct file *fp, struct kobject *kobj, struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev)); struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); int retval = 0, difference, old_profile; + struct kone_settings *settings = (struct kone_settings *)buf; /* I need to get my data in one piece */ if (off != 0 || count != sizeof(struct kone_settings)) return -EINVAL; mutex_lock(&kone->kone_lock); - difference = memcmp(buf, &kone->settings, sizeof(struct kone_settings)); + difference = memcmp(settings, &kone->settings, + sizeof(struct kone_settings)); if (difference) { - retval = kone_set_settings(usb_dev, - (struct kone_settings const *)buf); - if (retval) { - mutex_unlock(&kone->kone_lock); - return retval; + if (settings->startup_profile < 1 || + settings->startup_profile > 5) { + retval = -EINVAL; + goto unlock; } + retval = kone_set_settings(usb_dev, settings); + if (retval) + goto unlock; + old_profile = kone->settings.startup_profile; - memcpy(&kone->settings, buf, sizeof(struct kone_settings)); + memcpy(&kone->settings, settings, sizeof(struct kone_settings)); kone_profile_activated(kone, kone->settings.startup_profile); if (kone->settings.startup_profile != old_profile) kone_profile_report(kone, kone->settings.startup_profile); } +unlock: mutex_unlock(&kone->kone_lock); + if (retval) + return retval; + return sizeof(struct kone_settings); } static BIN_ATTR(settings, 0660, kone_sysfs_read_settings, diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c index 8efaa88329aa..ce4e9b34af98 100644 --- a/drivers/hid/hid-sensor-hub.c +++ b/drivers/hid/hid-sensor-hub.c @@ -222,16 +222,21 @@ int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, buffer_size = buffer_size / sizeof(__s32); if (buffer_size) { for (i = 0; i < buffer_size; ++i) { - hid_set_field(report->field[field_index], i, - (__force __s32)cpu_to_le32(*buf32)); + ret = hid_set_field(report->field[field_index], i, + (__force __s32)cpu_to_le32(*buf32)); + if (ret) + goto done_proc; + ++buf32; } } if (remaining_bytes) { value = 0; memcpy(&value, (u8 *)buf32, remaining_bytes); - hid_set_field(report->field[field_index], i, - (__force __s32)cpu_to_le32(value)); + ret = hid_set_field(report->field[field_index], i, + (__force __s32)cpu_to_le32(value)); + if (ret) + goto done_proc; } hid_hw_request(hsdev->hdev, report, HID_REQ_SET_REPORT); hid_hw_wait(hsdev->hdev); @@ -473,7 +478,8 @@ static int sensor_hub_raw_event(struct hid_device *hdev, return 1; ptr = raw_data; - ptr++; /* Skip report id */ + if (report->id) + ptr++; /* Skip report id */ spin_lock_irqsave(&pdata->lock, flags); diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index b0eeb5090c91..d51fc2be0e10 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -372,7 +372,7 @@ static int hid_submit_ctrl(struct hid_device *hid) raw_report = usbhid->ctrl[usbhid->ctrltail].raw_report; dir = usbhid->ctrl[usbhid->ctrltail].dir; - len = ((report->size - 1) >> 3) + 1 + (report->id > 0); + len = hid_report_len(report); if (dir == USB_DIR_OUT) { usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0); usbhid->urbctrl->transfer_buffer_length = len; diff --git a/drivers/hid/usbhid/hid-pidff.c b/drivers/hid/usbhid/hid-pidff.c index 08174d341f4a..bc75f1efa0f4 100644 --- a/drivers/hid/usbhid/hid-pidff.c +++ b/drivers/hid/usbhid/hid-pidff.c @@ -1304,6 +1304,7 @@ int hid_pidff_init(struct hid_device *hid) if (pidff->pool[PID_DEVICE_MANAGED_POOL].value && pidff->pool[PID_DEVICE_MANAGED_POOL].value[0] == 0) { + error = -EPERM; hid_notice(hid, "device does not support device managed pool\n"); goto fail; diff --git a/drivers/hsi/hsi.c b/drivers/hsi/hsi.c index df380d55c58f..55e36fcd7ff3 100644 --- a/drivers/hsi/hsi.c +++ b/drivers/hsi/hsi.c @@ -223,8 +223,6 @@ static void hsi_add_client_from_dt(struct hsi_port *port, if (err) goto err; - dev_set_name(&cl->device, "%s", name); - err = hsi_of_property_parse_mode(client, "hsi-mode", &mode); if (err) { err = hsi_of_property_parse_mode(client, "hsi-rx-mode", @@ -307,6 +305,7 @@ static void hsi_add_client_from_dt(struct hsi_port *port, cl->device.release = hsi_client_release; cl->device.of_node = client; + dev_set_name(&cl->device, "%s", name); if (device_register(&cl->device) < 0) { pr_err("hsi: failed to register client: %s\n", name); put_device(&cl->device); diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c index be60bd5bab78..ee6d499edc1b 100644 --- a/drivers/hwmon/lm80.c +++ b/drivers/hwmon/lm80.c @@ -630,7 +630,6 @@ static int lm80_probe(struct i2c_client *client, struct device *dev = &client->dev; struct device *hwmon_dev; struct lm80_data *data; - int rv; data = devm_kzalloc(dev, sizeof(struct lm80_data), GFP_KERNEL); if (!data) @@ -643,14 +642,8 @@ static int lm80_probe(struct i2c_client *client, lm80_init_client(client); /* A few vars need to be filled upon startup */ - rv = lm80_read_value(client, LM80_REG_FAN_MIN(1)); - if (rv < 0) - return rv; - data->fan[f_min][0] = rv; - rv = lm80_read_value(client, LM80_REG_FAN_MIN(2)); - if (rv < 0) - return rv; - data->fan[f_min][1] = rv; + data->fan[f_min][0] = lm80_read_value(client, LM80_REG_FAN_MIN(1)); + data->fan[f_min][1] = lm80_read_value(client, LM80_REG_FAN_MIN(2)); hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, data, lm80_groups); diff --git a/drivers/hwtracing/intel_th/gth.c b/drivers/hwtracing/intel_th/gth.c index 189eb6269971..e585b29ce738 100644 --- a/drivers/hwtracing/intel_th/gth.c +++ b/drivers/hwtracing/intel_th/gth.c @@ -485,7 +485,7 @@ static void intel_th_gth_disable(struct intel_th_device *thdev, output->active = false; for_each_set_bit(master, gth->output[output->port].master, - TH_CONFIGURABLE_MASTERS) { + TH_CONFIGURABLE_MASTERS + 1) { gth_master_set(gth, master, -1); } spin_unlock(>h->gth_lock); @@ -597,7 +597,7 @@ static void intel_th_gth_unassign(struct intel_th_device *thdev, othdev->output.port = -1; othdev->output.active = false; gth->output[port].output = NULL; - for (master = 0; master <= TH_CONFIGURABLE_MASTERS; master++) + for (master = 0; master < TH_CONFIGURABLE_MASTERS + 1; master++) if (gth->master[master] == port) gth->master[master] = -1; spin_unlock(>h->gth_lock); diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c index 81115abf3c1f..6e9007adad84 100644 --- a/drivers/i2c/busses/i2c-brcmstb.c +++ b/drivers/i2c/busses/i2c-brcmstb.c @@ -304,7 +304,7 @@ static int brcmstb_send_i2c_cmd(struct brcmstb_i2c_dev *dev, goto cmd_out; } - if ((CMD_RD || CMD_WR) && + if ((cmd == CMD_RD || cmd == CMD_WR) && bsc_readl(dev, iic_enable) & BSC_IIC_EN_NOACK_MASK) { rc = -EREMOTEIO; dev_dbg(dev->device, "controller received NOACK intr for %s\n", diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c index 84deed6571bd..7d15c9143d16 100644 --- a/drivers/i2c/busses/i2c-cadence.c +++ b/drivers/i2c/busses/i2c-cadence.c @@ -894,7 +894,10 @@ static int cdns_i2c_probe(struct platform_device *pdev) if (IS_ERR(id->membase)) return PTR_ERR(id->membase); - id->irq = platform_get_irq(pdev, 0); + ret = platform_get_irq(pdev, 0); + if (ret < 0) + return ret; + id->irq = ret; id->adap.owner = THIS_MODULE; id->adap.dev.of_node = pdev->dev.of_node; diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c index b167ab25310a..34a35e927fc6 100644 --- a/drivers/i2c/busses/i2c-cpm.c +++ b/drivers/i2c/busses/i2c-cpm.c @@ -74,6 +74,9 @@ struct i2c_ram { char res1[4]; /* Reserved */ ushort rpbase; /* Relocation pointer */ char res2[2]; /* Reserved */ + /* The following elements are only for CPM2 */ + char res3[4]; /* Reserved */ + uint sdmatmp; /* Internal */ }; #define I2COM_START 0x80 diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index f78069cd8d53..4399016a6cab 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -327,11 +327,9 @@ static int i801_check_post(struct i801_priv *priv, int status) dev_err(&priv->pci_dev->dev, "Transaction timeout\n"); /* try to stop the current command */ dev_dbg(&priv->pci_dev->dev, "Terminating the current operation\n"); - outb_p(inb_p(SMBHSTCNT(priv)) | SMBHSTCNT_KILL, - SMBHSTCNT(priv)); + outb_p(SMBHSTCNT_KILL, SMBHSTCNT(priv)); usleep_range(1000, 2000); - outb_p(inb_p(SMBHSTCNT(priv)) & (~SMBHSTCNT_KILL), - SMBHSTCNT(priv)); + outb_p(0, SMBHSTCNT(priv)); /* Check if it worked */ status = inb_p(SMBHSTSTS(priv)); diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 0f6f4a89d11a..9696d6ec46c0 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -420,6 +420,19 @@ static void i2c_imx_dma_free(struct imx_i2c_struct *i2c_imx) /** Functions for IMX I2C adapter driver *************************************** *******************************************************************************/ +static void i2c_imx_clear_irq(struct imx_i2c_struct *i2c_imx, unsigned int bits) +{ + unsigned int temp; + + /* + * i2sr_clr_opcode is the value to clear all interrupts. Here we want to + * clear only <bits>, so we write ~i2sr_clr_opcode with just <bits> + * toggled. This is required because i.MX needs W0C and Vybrid uses W1C. + */ + temp = ~i2c_imx->hwdata->i2sr_clr_opcode ^ bits; + imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2SR); +} + static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy) { unsigned long orig_jiffies = jiffies; @@ -432,8 +445,7 @@ static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy) /* check for arbitration lost */ if (temp & I2SR_IAL) { - temp &= ~I2SR_IAL; - imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2SR); + i2c_imx_clear_irq(i2c_imx, I2SR_IAL); return -EAGAIN; } @@ -460,6 +472,16 @@ static int i2c_imx_trx_complete(struct imx_i2c_struct *i2c_imx) dev_dbg(&i2c_imx->adapter.dev, "<%s> Timeout\n", __func__); return -ETIMEDOUT; } + + /* check for arbitration lost */ + if (i2c_imx->i2csr & I2SR_IAL) { + dev_dbg(&i2c_imx->adapter.dev, "<%s> Arbitration lost\n", __func__); + i2c_imx_clear_irq(i2c_imx, I2SR_IAL); + + i2c_imx->i2csr = 0; + return -EAGAIN; + } + dev_dbg(&i2c_imx->adapter.dev, "<%s> TRX complete\n", __func__); i2c_imx->i2csr = 0; return 0; @@ -595,9 +617,7 @@ static irqreturn_t i2c_imx_isr(int irq, void *dev_id) if (temp & I2SR_IIF) { /* save status register */ i2c_imx->i2csr = temp; - temp &= ~I2SR_IIF; - temp |= (i2c_imx->hwdata->i2sr_clr_opcode & I2SR_IIF); - imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2SR); + i2c_imx_clear_irq(i2c_imx, I2SR_IIF); wake_up(&i2c_imx->queue); return IRQ_HANDLED; } @@ -1105,11 +1125,9 @@ static int i2c_imx_probe(struct platform_device *pdev) return ret; } - /* Request IRQ */ - ret = devm_request_irq(&pdev->dev, irq, i2c_imx_isr, 0, - pdev->name, i2c_imx); - if (ret) { - dev_err(&pdev->dev, "can't claim irq %d\n", irq); + i2c_imx->pinctrl = devm_pinctrl_get(&pdev->dev); + if (IS_ERR(i2c_imx->pinctrl)) { + ret = PTR_ERR(i2c_imx->pinctrl); goto clk_disable; } @@ -1119,6 +1137,14 @@ static int i2c_imx_probe(struct platform_device *pdev) /* Set up adapter data */ i2c_set_adapdata(&i2c_imx->adapter, i2c_imx); + /* Request IRQ */ + ret = request_threaded_irq(irq, i2c_imx_isr, NULL, 0, + pdev->name, i2c_imx); + if (ret) { + dev_err(&pdev->dev, "can't claim irq %d\n", irq); + goto clk_disable; + } + /* Set up clock divider */ i2c_imx->bitrate = IMX_I2C_BIT_RATE; ret = of_property_read_u32(pdev->dev.of_node, @@ -1141,7 +1167,7 @@ static int i2c_imx_probe(struct platform_device *pdev) ret = i2c_add_numbered_adapter(&i2c_imx->adapter); if (ret < 0) { dev_err(&pdev->dev, "registration failed\n"); - goto clk_disable; + goto clk_free_irq; } /* Set up platform driver data */ @@ -1159,6 +1185,8 @@ static int i2c_imx_probe(struct platform_device *pdev) return 0; /* Return OK */ +clk_free_irq: + free_irq(irq, i2c_imx); clk_disable: clk_disable_unprepare(i2c_imx->clk); return ret; @@ -1167,6 +1195,7 @@ clk_disable: static int i2c_imx_remove(struct platform_device *pdev) { struct imx_i2c_struct *i2c_imx = platform_get_drvdata(pdev); + int irq; /* remove adapter */ dev_dbg(&i2c_imx->adapter.dev, "adapter removed\n"); @@ -1181,6 +1210,10 @@ static int i2c_imx_remove(struct platform_device *pdev) imx_i2c_write_reg(0, i2c_imx, IMX_I2C_I2CR); imx_i2c_write_reg(0, i2c_imx, IMX_I2C_I2SR); + irq = platform_get_irq(pdev, 0); + if (irq >= 0) + free_irq(irq, i2c_imx); + return 0; } diff --git a/drivers/i2c/busses/i2c-jz4780.c b/drivers/i2c/busses/i2c-jz4780.c index ba3b94505c14..d80cee068bea 100644 --- a/drivers/i2c/busses/i2c-jz4780.c +++ b/drivers/i2c/busses/i2c-jz4780.c @@ -754,7 +754,10 @@ static int jz4780_i2c_probe(struct platform_device *pdev) jz4780_i2c_writew(i2c, JZ4780_I2C_INTM, 0x0); - i2c->irq = platform_get_irq(pdev, 0); + ret = platform_get_irq(pdev, 0); + if (ret < 0) + goto err; + i2c->irq = ret; ret = devm_request_irq(&pdev->dev, i2c->irq, jz4780_i2c_irq, 0, dev_name(&pdev->dev), i2c); if (ret) diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 48ecffecc0ed..2e083a71c221 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -23,6 +23,7 @@ #include <linux/clk.h> #include <linux/io.h> +#include <linux/iopoll.h> #include <linux/fsl_devices.h> #include <linux/i2c.h> #include <linux/interrupt.h> @@ -49,6 +50,7 @@ #define CCR_MTX 0x10 #define CCR_TXAK 0x08 #define CCR_RSTA 0x04 +#define CCR_RSVD 0x02 #define CSR_MCF 0x80 #define CSR_MAAS 0x40 @@ -70,6 +72,7 @@ struct mpc_i2c { u8 fdr, dfsrr; #endif struct clk *clk_per; + bool has_errata_A004447; }; struct mpc_i2c_divider { @@ -178,6 +181,75 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing) return 0; } +static int i2c_mpc_wait_sr(struct mpc_i2c *i2c, int mask) +{ + void __iomem *addr = i2c->base + MPC_I2C_SR; + u8 val; + + return readb_poll_timeout(addr, val, val & mask, 0, 100); +} + +/* + * Workaround for Erratum A004447. From the P2040CE Rev Q + * + * 1. Set up the frequency divider and sampling rate. + * 2. I2CCR - a0h + * 3. Poll for I2CSR[MBB] to get set. + * 4. If I2CSR[MAL] is set (an indication that SDA is stuck low), then go to + * step 5. If MAL is not set, then go to step 13. + * 5. I2CCR - 00h + * 6. I2CCR - 22h + * 7. I2CCR - a2h + * 8. Poll for I2CSR[MBB] to get set. + * 9. Issue read to I2CDR. + * 10. Poll for I2CSR[MIF] to be set. + * 11. I2CCR - 82h + * 12. Workaround complete. Skip the next steps. + * 13. Issue read to I2CDR. + * 14. Poll for I2CSR[MIF] to be set. + * 15. I2CCR - 80h + */ +static void mpc_i2c_fixup_A004447(struct mpc_i2c *i2c) +{ + int ret; + u32 val; + + writeccr(i2c, CCR_MEN | CCR_MSTA); + ret = i2c_mpc_wait_sr(i2c, CSR_MBB); + if (ret) { + dev_err(i2c->dev, "timeout waiting for CSR_MBB\n"); + return; + } + + val = readb(i2c->base + MPC_I2C_SR); + + if (val & CSR_MAL) { + writeccr(i2c, 0x00); + writeccr(i2c, CCR_MSTA | CCR_RSVD); + writeccr(i2c, CCR_MEN | CCR_MSTA | CCR_RSVD); + ret = i2c_mpc_wait_sr(i2c, CSR_MBB); + if (ret) { + dev_err(i2c->dev, "timeout waiting for CSR_MBB\n"); + return; + } + val = readb(i2c->base + MPC_I2C_DR); + ret = i2c_mpc_wait_sr(i2c, CSR_MIF); + if (ret) { + dev_err(i2c->dev, "timeout waiting for CSR_MIF\n"); + return; + } + writeccr(i2c, CCR_MEN | CCR_RSVD); + } else { + val = readb(i2c->base + MPC_I2C_DR); + ret = i2c_mpc_wait_sr(i2c, CSR_MIF); + if (ret) { + dev_err(i2c->dev, "timeout waiting for CSR_MIF\n"); + return; + } + writeccr(i2c, CCR_MEN); + } +} + #if defined(CONFIG_PPC_MPC52xx) || defined(CONFIG_PPC_MPC512x) static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = { {20, 0x20}, {22, 0x21}, {24, 0x22}, {26, 0x23}, @@ -581,7 +653,7 @@ static int mpc_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) if ((status & (CSR_MCF | CSR_MBB | CSR_RXAK)) != 0) { writeb(status & ~CSR_MAL, i2c->base + MPC_I2C_SR); - mpc_i2c_fixup(i2c); + i2c_recover_bus(&i2c->adap); } return -EIO; } @@ -617,7 +689,7 @@ static int mpc_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) if ((status & (CSR_MCF | CSR_MBB | CSR_RXAK)) != 0) { writeb(status & ~CSR_MAL, i2c->base + MPC_I2C_SR); - mpc_i2c_fixup(i2c); + i2c_recover_bus(&i2c->adap); } return -EIO; } @@ -632,6 +704,18 @@ static u32 mpc_functionality(struct i2c_adapter *adap) | I2C_FUNC_SMBUS_READ_BLOCK_DATA | I2C_FUNC_SMBUS_BLOCK_PROC_CALL; } +static int fsl_i2c_bus_recovery(struct i2c_adapter *adap) +{ + struct mpc_i2c *i2c = i2c_get_adapdata(adap); + + if (i2c->has_errata_A004447) + mpc_i2c_fixup_A004447(i2c); + else + mpc_i2c_fixup(i2c); + + return 0; +} + static const struct i2c_algorithm mpc_algo = { .master_xfer = mpc_xfer, .functionality = mpc_functionality, @@ -643,6 +727,10 @@ static struct i2c_adapter mpc_ops = { .timeout = HZ, }; +static struct i2c_bus_recovery_info fsl_i2c_recovery_info = { + .recover_bus = fsl_i2c_bus_recovery, +}; + static const struct of_device_id mpc_i2c_of_match[]; static int fsl_i2c_probe(struct platform_device *op) { @@ -727,6 +815,8 @@ static int fsl_i2c_probe(struct platform_device *op) dev_info(i2c->dev, "timeout %u us\n", mpc_ops.timeout * 1000000 / HZ); platform_set_drvdata(op, i2c); + if (of_property_read_bool(op->dev.of_node, "fsl,i2c-erratum-a004447")) + i2c->has_errata_A004447 = true; i2c->adap = mpc_ops; of_address_to_resource(op->dev.of_node, 0, &res); @@ -735,6 +825,7 @@ static int fsl_i2c_probe(struct platform_device *op) i2c_set_adapdata(&i2c->adap, i2c); i2c->adap.dev.parent = &op->dev; i2c->adap.dev.of_node = of_node_get(op->dev.of_node); + i2c->adap.bus_recovery_info = &fsl_i2c_recovery_info; result = i2c_add_adapter(&i2c->adap); if (result < 0) { diff --git a/drivers/i2c/busses/i2c-robotfuzz-osif.c b/drivers/i2c/busses/i2c-robotfuzz-osif.c index ced9c6a308d1..09f27060feca 100644 --- a/drivers/i2c/busses/i2c-robotfuzz-osif.c +++ b/drivers/i2c/busses/i2c-robotfuzz-osif.c @@ -89,7 +89,7 @@ static int osif_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs, } } - ret = osif_usb_read(adapter, OSIFI2C_STOP, 0, 0, NULL, 0); + ret = osif_usb_write(adapter, OSIFI2C_STOP, 0, 0, NULL, 0); if (ret) { dev_err(&adapter->dev, "failure sending STOP\n"); return -EREMOTEIO; @@ -159,7 +159,7 @@ static int osif_probe(struct usb_interface *interface, * Set bus frequency. The frequency is: * 120,000,000 / ( 16 + 2 * div * 4^prescale). * Using dev = 52, prescale = 0 give 100KHz */ - ret = osif_usb_read(&priv->adapter, OSIFI2C_SET_BIT_RATE, 52, 0, + ret = osif_usb_write(&priv->adapter, OSIFI2C_SET_BIT_RATE, 52, 0, NULL, 0); if (ret) { dev_err(&interface->dev, "failure sending bit rate"); diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 5df819610d52..bea74aa3f56c 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -499,8 +499,10 @@ static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) /* cannot do this, the controller * forces us to send a new START * when we change direction */ - + dev_dbg(i2c->dev, + "missing START before write->read\n"); s3c24xx_i2c_stop(i2c, -EINVAL); + break; } goto retry_write; diff --git a/drivers/i2c/busses/i2c-sh7760.c b/drivers/i2c/busses/i2c-sh7760.c index 24968384b401..c836c53caa3f 100644 --- a/drivers/i2c/busses/i2c-sh7760.c +++ b/drivers/i2c/busses/i2c-sh7760.c @@ -471,7 +471,10 @@ static int sh7760_i2c_probe(struct platform_device *pdev) goto out2; } - id->irq = platform_get_irq(pdev, 0); + ret = platform_get_irq(pdev, 0); + if (ret < 0) + goto out3; + id->irq = ret; id->adap.nr = pdev->id; id->adap.algo = &sh7760_i2c_algo; diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 08a21d635d0d..a6cc32a1e644 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -704,7 +704,7 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq) struct request_queue *q = drive->queue; int write = rq_data_dir(rq) == WRITE; unsigned short sectors_per_frame = - queue_logical_block_size(q) >> SECTOR_BITS; + queue_logical_block_size(q) >> SECTOR_SHIFT; ide_debug_log(IDE_DBG_RQ, "rq->cmd[0]: 0x%x, rq->cmd_flags: 0x%x, " "secs_per_frame: %u", @@ -900,7 +900,7 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, * end up being bogus. */ blocklen = be32_to_cpu(capbuf.blocklen); - blocklen = (blocklen >> SECTOR_BITS) << SECTOR_BITS; + blocklen = (blocklen >> SECTOR_SHIFT) << SECTOR_SHIFT; switch (blocklen) { case 512: case 1024: @@ -916,7 +916,7 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, } *capacity = 1 + be32_to_cpu(capbuf.lba); - *sectors_per_frame = blocklen >> SECTOR_BITS; + *sectors_per_frame = blocklen >> SECTOR_SHIFT; ide_debug_log(IDE_DBG_PROBE, "cap: %lu, sectors_per_frame: %lu", *capacity, *sectors_per_frame); @@ -993,7 +993,7 @@ int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense) drive->probed_capacity = toc->capacity * sectors_per_frame; blk_queue_logical_block_size(drive->queue, - sectors_per_frame << SECTOR_BITS); + sectors_per_frame << SECTOR_SHIFT); /* first read just the header, so we know how long the TOC is */ stat = cdrom_read_tocentry(drive, 0, 1, 0, (char *) &toc->hdr, diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h index 1efc936f5b66..7c6d017e84e9 100644 --- a/drivers/ide/ide-cd.h +++ b/drivers/ide/ide-cd.h @@ -20,11 +20,7 @@ /************************************************************************/ -#define SECTOR_BITS 9 -#ifndef SECTOR_SIZE -#define SECTOR_SIZE (1 << SECTOR_BITS) -#endif -#define SECTORS_PER_FRAME (CD_FRAMESIZE >> SECTOR_BITS) +#define SECTORS_PER_FRAME (CD_FRAMESIZE >> SECTOR_SHIFT) #define SECTOR_BUFFER_SIZE (CD_FRAMESIZE * 32) /* Capabilities Page size including 8 bytes of Mode Page Header */ diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c index fe0c5a155e21..2e89937b5629 100644 --- a/drivers/iio/adc/ad7793.c +++ b/drivers/iio/adc/ad7793.c @@ -279,6 +279,7 @@ static int ad7793_setup(struct iio_dev *indio_dev, id &= AD7793_ID_MASK; if (id != st->chip_info->id) { + ret = -ENODEV; dev_err(&st->sd.spi->dev, "device ID query failed\n"); goto out; } diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index dffff64b5989..da91e9e9ed8f 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -359,7 +359,7 @@ static int rockchip_saradc_resume(struct device *dev) ret = clk_prepare_enable(info->clk); if (ret) - return ret; + clk_disable_unprepare(info->pclk); return ret; } diff --git a/drivers/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c index 4e4c20d6d8b5..0367641aed07 100644 --- a/drivers/iio/dac/ad5504.c +++ b/drivers/iio/dac/ad5504.c @@ -189,9 +189,9 @@ static ssize_t ad5504_write_dac_powerdown(struct iio_dev *indio_dev, return ret; if (pwr_down) - st->pwr_down_mask |= (1 << chan->channel); - else st->pwr_down_mask &= ~(1 << chan->channel); + else + st->pwr_down_mask |= (1 << chan->channel); ret = ad5504_spi_write(st, AD5504_ADDR_CTRL, AD5504_DAC_PWRDWN_MODE(st->pwr_down_mode) | diff --git a/drivers/iio/gyro/itg3200_buffer.c b/drivers/iio/gyro/itg3200_buffer.c index eef50e91f17c..e04483254b28 100644 --- a/drivers/iio/gyro/itg3200_buffer.c +++ b/drivers/iio/gyro/itg3200_buffer.c @@ -49,13 +49,20 @@ static irqreturn_t itg3200_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct itg3200 *st = iio_priv(indio_dev); - __be16 buf[ITG3200_SCAN_ELEMENTS + sizeof(s64)/sizeof(u16)]; - - int ret = itg3200_read_all_channels(st->i2c, buf); + /* + * Ensure correct alignment and padding including for the + * timestamp that may be inserted. + */ + struct { + __be16 buf[ITG3200_SCAN_ELEMENTS]; + s64 ts __aligned(8); + } scan; + + int ret = itg3200_read_all_channels(st->i2c, scan.buf); if (ret < 0) goto error_ret; - iio_push_to_buffers_with_timestamp(indio_dev, buf, pf->timestamp); + iio_push_to_buffers_with_timestamp(indio_dev, &scan, pf->timestamp); iio_trigger_notify_done(indio_dev->trig); diff --git a/drivers/iio/imu/adis16400_buffer.c b/drivers/iio/imu/adis16400_buffer.c index 90c24a23c679..c0eb9dfd1c45 100644 --- a/drivers/iio/imu/adis16400_buffer.c +++ b/drivers/iio/imu/adis16400_buffer.c @@ -37,8 +37,11 @@ int adis16400_update_scan_mode(struct iio_dev *indio_dev, return -ENOMEM; adis->buffer = kzalloc(burst_length + sizeof(u16), GFP_KERNEL); - if (!adis->buffer) + if (!adis->buffer) { + kfree(adis->xfer); + adis->xfer = NULL; return -ENOMEM; + } tx = adis->buffer + burst_length; tx[0] = ADIS_READ_REG(ADIS16400_GLOB_CMD); diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c index 36607d52fee0..9de553e8c214 100644 --- a/drivers/iio/imu/adis_buffer.c +++ b/drivers/iio/imu/adis_buffer.c @@ -39,8 +39,11 @@ int adis_update_scan_mode(struct iio_dev *indio_dev, return -ENOMEM; adis->buffer = kzalloc(indio_dev->scan_bytes * 2, GFP_KERNEL); - if (!adis->buffer) + if (!adis->buffer) { + kfree(adis->xfer); + adis->xfer = NULL; return -ENOMEM; + } rx = adis->buffer; tx = rx + scan_count; diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 864a61b05665..d3cdd742972f 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -1281,9 +1281,6 @@ static int iio_buffer_update_demux(struct iio_dev *indio_dev, indio_dev->masklength, in_ind + 1); while (in_ind != out_ind) { - in_ind = find_next_bit(indio_dev->active_scan_mask, - indio_dev->masklength, - in_ind + 1); ch = iio_find_channel_from_si(indio_dev, in_ind); if (ch->scan_type.repeat > 1) length = ch->scan_type.storagebits / 8 * @@ -1292,6 +1289,9 @@ static int iio_buffer_update_demux(struct iio_dev *indio_dev, length = ch->scan_type.storagebits / 8; /* Make sure we are aligned */ in_loc = roundup(in_loc, length) + length; + in_ind = find_next_bit(indio_dev->active_scan_mask, + indio_dev->masklength, + in_ind + 1); } ch = iio_find_channel_from_si(indio_dev, in_ind); if (ch->scan_type.repeat > 1) diff --git a/drivers/iio/light/hid-sensor-prox.c b/drivers/iio/light/hid-sensor-prox.c index 45ca056f019e..63041dcec7af 100644 --- a/drivers/iio/light/hid-sensor-prox.c +++ b/drivers/iio/light/hid-sensor-prox.c @@ -37,6 +37,9 @@ struct prox_state { struct hid_sensor_common common_attributes; struct hid_sensor_hub_attribute_info prox_attr; u32 human_presence; + int scale_pre_decml; + int scale_post_decml; + int scale_precision; }; /* Channel definitions */ @@ -105,8 +108,9 @@ static int prox_read_raw(struct iio_dev *indio_dev, ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SCALE: - *val = prox_state->prox_attr.units; - ret_type = IIO_VAL_INT; + *val = prox_state->scale_pre_decml; + *val2 = prox_state->scale_post_decml; + ret_type = prox_state->scale_precision; break; case IIO_CHAN_INFO_OFFSET: *val = hid_sensor_convert_exponent( @@ -240,6 +244,12 @@ static int prox_parse_report(struct platform_device *pdev, st->common_attributes.sensitivity.index, st->common_attributes.sensitivity.report_id); } + + st->scale_precision = hid_sensor_format_scale( + hsdev->usage, + &st->prox_attr, + &st->scale_pre_decml, &st->scale_post_decml); + return ret; } diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c index 261d517428e4..4900ad1ac51f 100644 --- a/drivers/iio/magnetometer/mag3110.c +++ b/drivers/iio/magnetometer/mag3110.c @@ -52,6 +52,12 @@ struct mag3110_data { struct i2c_client *client; struct mutex lock; u8 ctrl_reg1; + /* Ensure natural alignment of timestamp */ + struct { + __be16 channels[3]; + u8 temperature; + s64 ts __aligned(8); + } scan; }; static int mag3110_request(struct mag3110_data *data) @@ -245,10 +251,9 @@ static irqreturn_t mag3110_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct mag3110_data *data = iio_priv(indio_dev); - u8 buffer[16]; /* 3 16-bit channels + 1 byte temp + padding + ts */ int ret; - ret = mag3110_read(data, (__be16 *) buffer); + ret = mag3110_read(data, data->scan.channels); if (ret < 0) goto done; @@ -257,10 +262,10 @@ static irqreturn_t mag3110_trigger_handler(int irq, void *p) MAG3110_DIE_TEMP); if (ret < 0) goto done; - buffer[6] = ret; + data->scan.temperature = ret; } - iio_push_to_buffers_with_timestamp(indio_dev, buffer, + iio_push_to_buffers_with_timestamp(indio_dev, &data->scan, iio_get_time_ns()); done: diff --git a/drivers/iio/pressure/mpl3115.c b/drivers/iio/pressure/mpl3115.c index 0f5b8767ec2e..6ed4e6902eff 100644 --- a/drivers/iio/pressure/mpl3115.c +++ b/drivers/iio/pressure/mpl3115.c @@ -139,7 +139,14 @@ static irqreturn_t mpl3115_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct mpl3115_data *data = iio_priv(indio_dev); - u8 buffer[16]; /* 32-bit channel + 16-bit channel + padding + ts */ + /* + * 32-bit channel + 16-bit channel + padding + ts + * Note that it is possible for only one of the first 2 + * channels to be enabled. If that happens, the first element + * of the buffer may be either 16 or 32-bits. As such we cannot + * use a simple structure definition to express this data layout. + */ + u8 buffer[16] __aligned(8); int ret, pos = 0; mutex_lock(&data->lock); diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 53c622c99ee4..ba713bc27c5f 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -1252,6 +1252,7 @@ int ib_send_cm_req(struct ib_cm_id *cm_id, id.local_id); if (IS_ERR(cm_id_priv->timewait_info)) { ret = PTR_ERR(cm_id_priv->timewait_info); + cm_id_priv->timewait_info = NULL; goto out; } @@ -1681,6 +1682,7 @@ static int cm_req_handler(struct cm_work *work) id.local_id); if (IS_ERR(cm_id_priv->timewait_info)) { ret = PTR_ERR(cm_id_priv->timewait_info); + cm_id_priv->timewait_info = NULL; goto destroy; } cm_id_priv->timewait_info->work.remote_id = req_msg->local_comm_id; diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index e9e75f40714c..27bc51409f55 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -342,6 +342,11 @@ static ssize_t ib_umad_read(struct file *filp, char __user *buf, mutex_lock(&file->mutex); + if (file->agents_dead) { + mutex_unlock(&file->mutex); + return -EIO; + } + while (list_empty(&file->recv_list)) { mutex_unlock(&file->mutex); @@ -484,7 +489,7 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf, agent = __get_agent(file, packet->mad.hdr.id); if (!agent) { - ret = -EINVAL; + ret = -EIO; goto err_up; } diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 54fd4d81a3f1..f422a8a2528b 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -3441,13 +3441,14 @@ int c4iw_destroy_listen(struct iw_cm_id *cm_id) ep->com.local_addr.ss_family == AF_INET) { err = cxgb4_remove_server_filter( ep->com.dev->rdev.lldi.ports[0], ep->stid, - ep->com.dev->rdev.lldi.rxq_ids[0], 0); + ep->com.dev->rdev.lldi.rxq_ids[0], false); } else { struct sockaddr_in6 *sin6; c4iw_init_wr_wait(&ep->com.wr_wait); err = cxgb4_remove_server( ep->com.dev->rdev.lldi.ports[0], ep->stid, - ep->com.dev->rdev.lldi.rxq_ids[0], 0); + ep->com.dev->rdev.lldi.rxq_ids[0], + ep->com.local_addr.ss_family == AF_INET6); if (err) goto done; err = c4iw_wait_for_reply(&ep->com.dev->rdev, &ep->com.wr_wait, diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index 04206c600098..07579e31168c 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -1898,7 +1898,7 @@ int c4iw_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, init_attr->cap.max_send_wr = qhp->attr.sq_num_entries; init_attr->cap.max_recv_wr = qhp->attr.rq_num_entries; init_attr->cap.max_send_sge = qhp->attr.sq_max_sges; - init_attr->cap.max_recv_sge = qhp->attr.sq_max_sges; + init_attr->cap.max_recv_sge = qhp->attr.rq_max_sges; init_attr->cap.max_inline_data = T4_MAX_SEND_INLINE; init_attr->sq_sig_type = qhp->sq_sig_all ? IB_SIGNAL_ALL_WR : 0; return 0; diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c index 5dc920fe1326..c8c586c78d07 100644 --- a/drivers/infiniband/hw/mlx4/cm.c +++ b/drivers/infiniband/hw/mlx4/cm.c @@ -309,6 +309,9 @@ static void schedule_delayed(struct ib_device *ibdev, struct id_map_entry *id) if (!sriov->is_going_down) { id->scheduled_delete = 1; schedule_delayed_work(&id->timeout, CM_CLEANUP_CACHE_TIMEOUT); + } else if (id->scheduled_delete) { + /* Adjust timeout if already scheduled */ + mod_delayed_work(system_wq, &id->timeout, CM_CLEANUP_CACHE_TIMEOUT); } spin_unlock_irqrestore(&sriov->going_down_lock, flags); spin_unlock(&sriov->id_map_lock); diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c index 40ba83338155..1b0bb340281e 100644 --- a/drivers/infiniband/hw/mthca/mthca_cq.c +++ b/drivers/infiniband/hw/mthca/mthca_cq.c @@ -612,7 +612,7 @@ static inline int mthca_poll_one(struct mthca_dev *dev, entry->opcode = IB_WC_BIND_MW; break; default: - entry->opcode = MTHCA_OPCODE_INVALID; + entry->opcode = 0xFF; break; } } else { @@ -811,8 +811,10 @@ int mthca_init_cq(struct mthca_dev *dev, int nent, } mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); - if (IS_ERR(mailbox)) + if (IS_ERR(mailbox)) { + err = PTR_ERR(mailbox); goto err_out_arm; + } cq_context = mailbox->buf; @@ -854,9 +856,9 @@ int mthca_init_cq(struct mthca_dev *dev, int nent, } spin_lock_irq(&dev->cq_table.lock); - if (mthca_array_set(&dev->cq_table.cq, - cq->cqn & (dev->limits.num_cqs - 1), - cq)) { + err = mthca_array_set(&dev->cq_table.cq, + cq->cqn & (dev->limits.num_cqs - 1), cq); + if (err) { spin_unlock_irq(&dev->cq_table.lock); goto err_out_free_mr; } diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h index 4393a022867b..e1fc67e73bf8 100644 --- a/drivers/infiniband/hw/mthca/mthca_dev.h +++ b/drivers/infiniband/hw/mthca/mthca_dev.h @@ -105,7 +105,6 @@ enum { MTHCA_OPCODE_ATOMIC_CS = 0x11, MTHCA_OPCODE_ATOMIC_FA = 0x12, MTHCA_OPCODE_BIND_MW = 0x18, - MTHCA_OPCODE_INVALID = 0xff }; enum { diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c index 8e18bfca5516..99d65f211b44 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c @@ -180,6 +180,7 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev, } usnic_uiom_free_dev_list(dev_list); + dev_list = NULL; } if (!found) { @@ -207,6 +208,8 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev, spin_unlock(&vf->lock); if (IS_ERR_OR_NULL(qp_grp)) { usnic_err("Failed to allocate qp_grp\n"); + if (usnic_ib_share_vf) + usnic_uiom_free_dev_list(dev_list); return ERR_PTR(qp_grp ? PTR_ERR(qp_grp) : -ENOMEM); } diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c index 8f2042432c85..66a46c84e28f 100644 --- a/drivers/input/ff-core.c +++ b/drivers/input/ff-core.c @@ -237,9 +237,15 @@ int input_ff_erase(struct input_dev *dev, int effect_id, struct file *file) EXPORT_SYMBOL_GPL(input_ff_erase); /* - * flush_effects - erase all effects owned by a file handle + * input_ff_flush - erase all effects owned by a file handle + * @dev: input device to erase effect from + * @file: purported owner of the effects + * + * This function erases all force-feedback effects associated with + * the given owner from specified device. Note that @file may be %NULL, + * in which case all effects will be erased. */ -static int flush_effects(struct input_dev *dev, struct file *file) +int input_ff_flush(struct input_dev *dev, struct file *file) { struct ff_device *ff = dev->ff; int i; @@ -255,6 +261,7 @@ static int flush_effects(struct input_dev *dev, struct file *file) return 0; } +EXPORT_SYMBOL_GPL(input_ff_flush); /** * input_ff_event() - generic handler for force-feedback events @@ -343,7 +350,7 @@ int input_ff_create(struct input_dev *dev, unsigned int max_effects) mutex_init(&ff->mutex); dev->ff = ff; - dev->flush = flush_effects; + dev->flush = input_ff_flush; dev->event = input_ff_event; __set_bit(EV_FF, dev->evbit); diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c index 5d11fea3c8ec..83dfe19c1b67 100644 --- a/drivers/input/joydev.c +++ b/drivers/input/joydev.c @@ -448,7 +448,7 @@ static int joydev_handle_JSIOCSAXMAP(struct joydev *joydev, if (IS_ERR(abspam)) return PTR_ERR(abspam); - for (i = 0; i < joydev->nabs; i++) { + for (i = 0; i < len && i < joydev->nabs; i++) { if (abspam[i] > ABS_MAX) { retval = -EINVAL; goto out; @@ -472,6 +472,9 @@ static int joydev_handle_JSIOCSBTNMAP(struct joydev *joydev, int i; int retval = 0; + if (len % sizeof(*keypam)) + return -EINVAL; + len = min(len, sizeof(joydev->keypam)); /* Validate the map. */ @@ -479,7 +482,7 @@ static int joydev_handle_JSIOCSBTNMAP(struct joydev *joydev, if (IS_ERR(keypam)) return PTR_ERR(keypam); - for (i = 0; i < joydev->nkey; i++) { + for (i = 0; i < (len / 2) && i < joydev->nkey; i++) { if (keypam[i] > KEY_MAX || keypam[i] < BTN_MISC) { retval = -EINVAL; goto out; diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 54a6691d7d87..4168ed0ef187 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -232,9 +232,17 @@ static const struct xpad_device { { 0x0e6f, 0x0213, "Afterglow Gamepad for Xbox 360", 0, XTYPE_XBOX360 }, { 0x0e6f, 0x021f, "Rock Candy Gamepad for Xbox 360", 0, XTYPE_XBOX360 }, { 0x0e6f, 0x0246, "Rock Candy Gamepad for Xbox One 2015", 0, XTYPE_XBOXONE }, - { 0x0e6f, 0x02ab, "PDP Controller for Xbox One", 0, XTYPE_XBOXONE }, + { 0x0e6f, 0x02a0, "PDP Xbox One Controller", 0, XTYPE_XBOXONE }, + { 0x0e6f, 0x02a1, "PDP Xbox One Controller", 0, XTYPE_XBOXONE }, + { 0x0e6f, 0x02a2, "PDP Wired Controller for Xbox One - Crimson Red", 0, XTYPE_XBOXONE }, { 0x0e6f, 0x02a4, "PDP Wired Controller for Xbox One - Stealth Series", 0, XTYPE_XBOXONE }, { 0x0e6f, 0x02a6, "PDP Wired Controller for Xbox One - Camo Series", 0, XTYPE_XBOXONE }, + { 0x0e6f, 0x02a7, "PDP Xbox One Controller", 0, XTYPE_XBOXONE }, + { 0x0e6f, 0x02a8, "PDP Xbox One Controller", 0, XTYPE_XBOXONE }, + { 0x0e6f, 0x02ab, "PDP Controller for Xbox One", 0, XTYPE_XBOXONE }, + { 0x0e6f, 0x02ad, "PDP Wired Controller for Xbox One - Stealth Series", 0, XTYPE_XBOXONE }, + { 0x0e6f, 0x02b3, "Afterglow Prismatic Wired Controller", 0, XTYPE_XBOXONE }, + { 0x0e6f, 0x02b8, "Afterglow Prismatic Wired Controller", 0, XTYPE_XBOXONE }, { 0x0e6f, 0x0301, "Logic3 Controller", 0, XTYPE_XBOX360 }, { 0x0e6f, 0x0346, "Rock Candy Gamepad for Xbox One 2016", 0, XTYPE_XBOXONE }, { 0x0e6f, 0x0401, "Logic3 Controller", 0, XTYPE_XBOX360 }, @@ -258,6 +266,7 @@ static const struct xpad_device { { 0x1038, 0x1430, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 }, { 0x1038, 0x1431, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 }, { 0x11c9, 0x55f0, "Nacon GC-100XF", 0, XTYPE_XBOX360 }, + { 0x1209, 0x2882, "Ardwiino Controller", 0, XTYPE_XBOX360 }, { 0x12ab, 0x0004, "Honey Bee Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, { 0x12ab, 0x0301, "PDP AFTERGLOW AX.1", 0, XTYPE_XBOX360 }, { 0x12ab, 0x0303, "Mortal Kombat Klassic FightStick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, @@ -312,6 +321,10 @@ static const struct xpad_device { { 0x1bad, 0xfa01, "MadCatz GamePad", 0, XTYPE_XBOX360 }, { 0x1bad, 0xfd00, "Razer Onza TE", 0, XTYPE_XBOX360 }, { 0x1bad, 0xfd01, "Razer Onza", 0, XTYPE_XBOX360 }, + { 0x20d6, 0x2001, "BDA Xbox Series X Wired Controller", 0, XTYPE_XBOXONE }, + { 0x20d6, 0x2009, "PowerA Enhanced Wired Controller for Xbox Series X|S", 0, XTYPE_XBOXONE }, + { 0x20d6, 0x281f, "PowerA Wired Controller For Xbox 360", 0, XTYPE_XBOX360 }, + { 0x2e24, 0x0652, "Hyperkin Duke X-Box One pad", 0, XTYPE_XBOXONE }, { 0x24c6, 0x5000, "Razer Atrox Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, { 0x24c6, 0x5300, "PowerA MINI PROEX Controller", 0, XTYPE_XBOX360 }, { 0x24c6, 0x5303, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 }, @@ -435,6 +448,7 @@ static const struct usb_device_id xpad_table[] = { XPAD_XBOXONE_VENDOR(0x0f0d), /* Hori Controllers */ XPAD_XBOX360_VENDOR(0x1038), /* SteelSeries Controllers */ XPAD_XBOX360_VENDOR(0x11c9), /* Nacon GC100XF */ + XPAD_XBOX360_VENDOR(0x1209), /* Ardwiino Controllers */ XPAD_XBOX360_VENDOR(0x12ab), /* X-Box 360 dance pads */ XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x146b), /* BigBen Interactive Controllers */ @@ -444,8 +458,12 @@ static const struct usb_device_id xpad_table[] = { XPAD_XBOX360_VENDOR(0x162e), /* Joytech X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x1689), /* Razer Onza */ XPAD_XBOX360_VENDOR(0x1bad), /* Harminix Rock Band Guitar and Drums */ + XPAD_XBOX360_VENDOR(0x20d6), /* PowerA Controllers */ + XPAD_XBOXONE_VENDOR(0x20d6), /* PowerA Controllers */ XPAD_XBOX360_VENDOR(0x24c6), /* PowerA Controllers */ XPAD_XBOXONE_VENDOR(0x24c6), /* PowerA Controllers */ + XPAD_XBOXONE_VENDOR(0x2e24), /* Hyperkin Duke X-Box One pad */ + XPAD_XBOX360_VENDOR(0x2f24), /* GameSir Controllers */ { } }; diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c index b01966dc7eb3..44a5a5496cfd 100644 --- a/drivers/input/keyboard/cros_ec_keyb.c +++ b/drivers/input/keyboard/cros_ec_keyb.c @@ -137,6 +137,7 @@ static void cros_ec_keyb_process(struct cros_ec_keyb *ckdev, "changed: [r%d c%d]: byte %02x\n", row, col, new_state); + input_event(idev, EV_MSC, MSC_SCAN, pos); input_report_key(idev, keycodes[pos], new_state); } diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c index f77b295e0123..01788a78041b 100644 --- a/drivers/input/keyboard/ep93xx_keypad.c +++ b/drivers/input/keyboard/ep93xx_keypad.c @@ -257,8 +257,8 @@ static int ep93xx_keypad_probe(struct platform_device *pdev) } keypad->irq = platform_get_irq(pdev, 0); - if (!keypad->irq) { - err = -ENXIO; + if (keypad->irq < 0) { + err = keypad->irq; goto failed_free; } diff --git a/drivers/input/keyboard/nspire-keypad.c b/drivers/input/keyboard/nspire-keypad.c index 7abfd34eb87e..bcec72367c1d 100644 --- a/drivers/input/keyboard/nspire-keypad.c +++ b/drivers/input/keyboard/nspire-keypad.c @@ -96,9 +96,15 @@ static irqreturn_t nspire_keypad_irq(int irq, void *dev_id) return IRQ_HANDLED; } -static int nspire_keypad_chip_init(struct nspire_keypad *keypad) +static int nspire_keypad_open(struct input_dev *input) { + struct nspire_keypad *keypad = input_get_drvdata(input); unsigned long val = 0, cycles_per_us, delay_cycles, row_delay_cycles; + int error; + + error = clk_prepare_enable(keypad->clk); + if (error) + return error; cycles_per_us = (clk_get_rate(keypad->clk) / 1000000); if (cycles_per_us == 0) @@ -124,30 +130,6 @@ static int nspire_keypad_chip_init(struct nspire_keypad *keypad) keypad->int_mask = 1 << 1; writel(keypad->int_mask, keypad->reg_base + KEYPAD_INTMSK); - /* Disable GPIO interrupts to prevent hanging on touchpad */ - /* Possibly used to detect touchpad events */ - writel(0, keypad->reg_base + KEYPAD_UNKNOWN_INT); - /* Acknowledge existing interrupts */ - writel(~0, keypad->reg_base + KEYPAD_UNKNOWN_INT_STS); - - return 0; -} - -static int nspire_keypad_open(struct input_dev *input) -{ - struct nspire_keypad *keypad = input_get_drvdata(input); - int error; - - error = clk_prepare_enable(keypad->clk); - if (error) - return error; - - error = nspire_keypad_chip_init(keypad); - if (error) { - clk_disable_unprepare(keypad->clk); - return error; - } - return 0; } @@ -155,6 +137,11 @@ static void nspire_keypad_close(struct input_dev *input) { struct nspire_keypad *keypad = input_get_drvdata(input); + /* Disable interrupts */ + writel(0, keypad->reg_base + KEYPAD_INTMSK); + /* Acknowledge existing interrupts */ + writel(~0, keypad->reg_base + KEYPAD_INT); + clk_disable_unprepare(keypad->clk); } @@ -215,6 +202,25 @@ static int nspire_keypad_probe(struct platform_device *pdev) return -ENOMEM; } + error = clk_prepare_enable(keypad->clk); + if (error) { + dev_err(&pdev->dev, "failed to enable clock\n"); + return error; + } + + /* Disable interrupts */ + writel(0, keypad->reg_base + KEYPAD_INTMSK); + /* Acknowledge existing interrupts */ + writel(~0, keypad->reg_base + KEYPAD_INT); + + /* Disable GPIO interrupts to prevent hanging on touchpad */ + /* Possibly used to detect touchpad events */ + writel(0, keypad->reg_base + KEYPAD_UNKNOWN_INT); + /* Acknowledge existing GPIO interrupts */ + writel(~0, keypad->reg_base + KEYPAD_UNKNOWN_INT_STS); + + clk_disable_unprepare(keypad->clk); + input_set_drvdata(input, keypad); input->id.bustype = BUS_HOST; diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c index 3d2c60c8de83..c6a468dfdfb4 100644 --- a/drivers/input/keyboard/omap4-keypad.c +++ b/drivers/input/keyboard/omap4-keypad.c @@ -253,10 +253,8 @@ static int omap4_keypad_probe(struct platform_device *pdev) } irq = platform_get_irq(pdev, 0); - if (!irq) { - dev_err(&pdev->dev, "no keyboard irq assigned\n"); - return -EINVAL; - } + if (irq < 0) + return irq; keypad_data = kzalloc(sizeof(struct omap4_keypad), GFP_KERNEL); if (!keypad_data) { diff --git a/drivers/input/keyboard/sunkbd.c b/drivers/input/keyboard/sunkbd.c index dc6bb9d5b4f0..191c27dda386 100644 --- a/drivers/input/keyboard/sunkbd.c +++ b/drivers/input/keyboard/sunkbd.c @@ -115,7 +115,8 @@ static irqreturn_t sunkbd_interrupt(struct serio *serio, switch (data) { case SUNKBD_RET_RESET: - schedule_work(&sunkbd->tq); + if (sunkbd->enabled) + schedule_work(&sunkbd->tq); sunkbd->reset = -1; break; @@ -216,16 +217,12 @@ static int sunkbd_initialize(struct sunkbd *sunkbd) } /* - * sunkbd_reinit() sets leds and beeps to a state the computer remembers they - * were in. + * sunkbd_set_leds_beeps() sets leds and beeps to a state the computer remembers + * they were in. */ -static void sunkbd_reinit(struct work_struct *work) +static void sunkbd_set_leds_beeps(struct sunkbd *sunkbd) { - struct sunkbd *sunkbd = container_of(work, struct sunkbd, tq); - - wait_event_interruptible_timeout(sunkbd->wait, sunkbd->reset >= 0, HZ); - serio_write(sunkbd->serio, SUNKBD_CMD_SETLED); serio_write(sunkbd->serio, (!!test_bit(LED_CAPSL, sunkbd->dev->led) << 3) | @@ -238,11 +235,39 @@ static void sunkbd_reinit(struct work_struct *work) SUNKBD_CMD_BELLOFF - !!test_bit(SND_BELL, sunkbd->dev->snd)); } + +/* + * sunkbd_reinit() wait for the keyboard reset to complete and restores state + * of leds and beeps. + */ + +static void sunkbd_reinit(struct work_struct *work) +{ + struct sunkbd *sunkbd = container_of(work, struct sunkbd, tq); + + /* + * It is OK that we check sunkbd->enabled without pausing serio, + * as we only want to catch true->false transition that will + * happen once and we will be woken up for it. + */ + wait_event_interruptible_timeout(sunkbd->wait, + sunkbd->reset >= 0 || !sunkbd->enabled, + HZ); + + if (sunkbd->reset >= 0 && sunkbd->enabled) + sunkbd_set_leds_beeps(sunkbd); +} + static void sunkbd_enable(struct sunkbd *sunkbd, bool enable) { serio_pause_rx(sunkbd->serio); sunkbd->enabled = enable; serio_continue_rx(sunkbd->serio); + + if (!enable) { + wake_up_interruptible(&sunkbd->wait); + cancel_work_sync(&sunkbd->tq); + } } /* diff --git a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c index 2b2d02f408bb..2e189646d8fe 100644 --- a/drivers/input/misc/adxl34x.c +++ b/drivers/input/misc/adxl34x.c @@ -696,7 +696,7 @@ struct adxl34x *adxl34x_probe(struct device *dev, int irq, struct input_dev *input_dev; const struct adxl34x_platform_data *pdata; int err, range, i; - unsigned char revid; + int revid; if (!irq) { dev_err(dev, "no IRQ?\n"); diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c index 50a7faa504f7..c8c6650b9140 100644 --- a/drivers/input/misc/cm109.c +++ b/drivers/input/misc/cm109.c @@ -546,12 +546,15 @@ static int cm109_input_open(struct input_dev *idev) dev->ctl_data->byte[HID_OR2] = dev->keybit; dev->ctl_data->byte[HID_OR3] = 0x00; + dev->ctl_urb_pending = 1; error = usb_submit_urb(dev->urb_ctl, GFP_KERNEL); - if (error) + if (error) { + dev->ctl_urb_pending = 0; dev_err(&dev->intf->dev, "%s: usb_submit_urb (urb_ctl) failed %d\n", __func__, error); - else + } else { dev->open = 1; + } mutex_unlock(&dev->pm_mutex); diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index 7cffff22a1ca..c67a0113020c 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -230,6 +230,18 @@ static int uinput_dev_erase_effect(struct input_dev *dev, int effect_id) return uinput_request_submit(udev, &request); } +static int uinput_dev_flush(struct input_dev *dev, struct file *file) +{ + /* + * If we are called with file == NULL that means we are tearing + * down the device, and therefore we can not handle FF erase + * requests: either we are handling UI_DEV_DESTROY (and holding + * the udev->mutex), or the file descriptor is closed and there is + * nobody on the other side anymore. + */ + return file ? input_ff_flush(dev, file) : 0; +} + static void uinput_destroy_device(struct uinput_device *udev) { const char *name, *phys; @@ -273,6 +285,12 @@ static int uinput_create_device(struct uinput_device *udev) dev->ff->playback = uinput_dev_playback; dev->ff->set_gain = uinput_dev_set_gain; dev->ff->set_autocenter = uinput_dev_set_autocenter; + /* + * The standard input_ff_flush() implementation does + * not quite work for uinput as we can't reasonably + * handle FF requests during device teardown. + */ + dev->flush = uinput_dev_flush; } error = input_register_device(udev->dev); diff --git a/drivers/input/mouse/cyapa_gen6.c b/drivers/input/mouse/cyapa_gen6.c index e4eb048d1bf6..c7ab84bc877f 100644 --- a/drivers/input/mouse/cyapa_gen6.c +++ b/drivers/input/mouse/cyapa_gen6.c @@ -573,7 +573,7 @@ static int cyapa_pip_retrieve_data_structure(struct cyapa *cyapa, memset(&cmd, 0, sizeof(cmd)); put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &cmd.head.addr); - put_unaligned_le16(sizeof(cmd), &cmd.head.length - 2); + put_unaligned_le16(sizeof(cmd) - 2, &cmd.head.length); cmd.head.report_id = PIP_APP_CMD_REPORT_ID; cmd.head.cmd_code = PIP_RETRIEVE_DATA_STRUCTURE; put_unaligned_le16(read_offset, &cmd.read_offset); diff --git a/drivers/input/serio/hil_mlc.c b/drivers/input/serio/hil_mlc.c index 65605e4ef3cf..1491a9a5c6b0 100644 --- a/drivers/input/serio/hil_mlc.c +++ b/drivers/input/serio/hil_mlc.c @@ -74,7 +74,7 @@ EXPORT_SYMBOL(hil_mlc_unregister); static LIST_HEAD(hil_mlcs); static DEFINE_RWLOCK(hil_mlcs_lock); static struct timer_list hil_mlcs_kicker; -static int hil_mlcs_probe; +static int hil_mlcs_probe, hil_mlc_stop; static void hil_mlcs_process(unsigned long unused); static DECLARE_TASKLET_DISABLED(hil_mlcs_tasklet, hil_mlcs_process, 0); @@ -704,9 +704,13 @@ static int hilse_donode(hil_mlc *mlc) if (!mlc->ostarted) { mlc->ostarted = 1; mlc->opacket = pack; - mlc->out(mlc); + rc = mlc->out(mlc); nextidx = HILSEN_DOZE; write_unlock_irqrestore(&mlc->lock, flags); + if (rc) { + hil_mlc_stop = 1; + return 1; + } break; } mlc->ostarted = 0; @@ -717,8 +721,13 @@ static int hilse_donode(hil_mlc *mlc) case HILSE_CTS: write_lock_irqsave(&mlc->lock, flags); - nextidx = mlc->cts(mlc) ? node->bad : node->good; + rc = mlc->cts(mlc); + nextidx = rc ? node->bad : node->good; write_unlock_irqrestore(&mlc->lock, flags); + if (rc) { + hil_mlc_stop = 1; + return 1; + } break; default: @@ -786,6 +795,12 @@ static void hil_mlcs_process(unsigned long unused) static void hil_mlcs_timer(unsigned long data) { + if (hil_mlc_stop) { + /* could not send packet - stop immediately. */ + pr_warn(PREFIX "HIL seems stuck - Disabling HIL MLC.\n"); + return; + } + hil_mlcs_probe = 1; tasklet_schedule(&hil_mlcs_tasklet); /* Re-insert the periodic task. */ diff --git a/drivers/input/serio/hp_sdc_mlc.c b/drivers/input/serio/hp_sdc_mlc.c index d50f0678bf47..078cbe6522a2 100644 --- a/drivers/input/serio/hp_sdc_mlc.c +++ b/drivers/input/serio/hp_sdc_mlc.c @@ -213,7 +213,7 @@ static int hp_sdc_mlc_cts(hil_mlc *mlc) priv->tseq[2] = 1; priv->tseq[3] = 0; priv->tseq[4] = 0; - __hp_sdc_enqueue_transaction(&priv->trans); + return __hp_sdc_enqueue_transaction(&priv->trans); busy: return 1; done: @@ -222,7 +222,7 @@ static int hp_sdc_mlc_cts(hil_mlc *mlc) return 0; } -static void hp_sdc_mlc_out(hil_mlc *mlc) +static int hp_sdc_mlc_out(hil_mlc *mlc) { struct hp_sdc_mlc_priv_s *priv; @@ -237,7 +237,7 @@ static void hp_sdc_mlc_out(hil_mlc *mlc) do_data: if (priv->emtestmode) { up(&mlc->osem); - return; + return 0; } /* Shouldn't be sending commands when loop may be busy */ BUG_ON(down_trylock(&mlc->csem)); @@ -299,7 +299,7 @@ static void hp_sdc_mlc_out(hil_mlc *mlc) BUG_ON(down_trylock(&mlc->csem)); } enqueue: - hp_sdc_enqueue_transaction(&priv->trans); + return hp_sdc_enqueue_transaction(&priv->trans); } static int __init hp_sdc_mlc_init(void) diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index e5799639fb54..3049bccf2422 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -224,6 +224,12 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "C15B"), }, }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"), + DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"), + }, + }, { } }; @@ -573,6 +579,11 @@ static const struct dmi_system_id i8042_dmi_forcemux_table[] __initconst = { DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"), }, + }, { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /* Convertible Notebook */ + }, }, { } }; @@ -684,6 +695,48 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = { }, }, { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A114-31"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A314-31"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-31"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-132"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-332"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-432"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate Spin B118-RN"), + }, + }, + { /* Advent 4211 */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"), @@ -797,6 +850,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = { DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"), }, }, + { + /* Acer Aspire 5 A515 */ + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"), + DMI_MATCH(DMI_BOARD_VENDOR, "PK"), + }, + }, { } }; diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index c84c685056b9..37f84ba11f05 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -125,6 +125,7 @@ module_param_named(unmask_kbd_data, i8042_unmask_kbd_data, bool, 0600); MODULE_PARM_DESC(unmask_kbd_data, "Unconditional enable (may reveal sensitive data) of normally sanitize-filtered kbd data traffic debug log [pre-condition: i8042.debug=1 enabled]"); #endif +static bool i8042_present; static bool i8042_bypass_aux_irq_test; static char i8042_kbd_firmware_id[128]; static char i8042_aux_firmware_id[128]; @@ -343,6 +344,9 @@ int i8042_command(unsigned char *param, int command) unsigned long flags; int retval; + if (!i8042_present) + return -1; + spin_lock_irqsave(&i8042_lock, flags); retval = __i8042_command(param, command); spin_unlock_irqrestore(&i8042_lock, flags); @@ -1452,7 +1456,8 @@ static int __init i8042_setup_aux(void) if (error) goto err_free_ports; - if (aux_enable()) + error = aux_enable(); + if (error) goto err_free_irq; i8042_aux_irq_registered = true; @@ -1597,12 +1602,15 @@ static int __init i8042_init(void) err = i8042_platform_init(); if (err) - return err; + return (err == -ENODEV) ? 0 : err; err = i8042_controller_check(); if (err) goto err_platform_exit; + /* Set this before creating the dev to allow i8042_command to work right away */ + i8042_present = true; + pdev = platform_create_bundle(&i8042_driver, i8042_probe, NULL, 0, NULL, 0); if (IS_ERR(pdev)) { err = PTR_ERR(pdev); @@ -1621,6 +1629,9 @@ static int __init i8042_init(void) static void __exit i8042_exit(void) { + if (!i8042_present) + return; + platform_device_unregister(i8042_platform_device); platform_driver_unregister(&i8042_driver); i8042_platform_exit(); diff --git a/drivers/input/serio/sun4i-ps2.c b/drivers/input/serio/sun4i-ps2.c index 04b96fe39339..46512b4d686a 100644 --- a/drivers/input/serio/sun4i-ps2.c +++ b/drivers/input/serio/sun4i-ps2.c @@ -210,7 +210,6 @@ static int sun4i_ps2_probe(struct platform_device *pdev) struct sun4i_ps2data *drvdata; struct serio *serio; struct device *dev = &pdev->dev; - unsigned int irq; int error; drvdata = kzalloc(sizeof(struct sun4i_ps2data), GFP_KERNEL); @@ -263,14 +262,12 @@ static int sun4i_ps2_probe(struct platform_device *pdev) writel(0, drvdata->reg_base + PS2_REG_GCTL); /* Get IRQ for the device */ - irq = platform_get_irq(pdev, 0); - if (!irq) { - dev_err(dev, "no IRQ found\n"); - error = -ENXIO; + drvdata->irq = platform_get_irq(pdev, 0); + if (drvdata->irq < 0) { + error = drvdata->irq; goto err_disable_clk; } - drvdata->irq = irq; drvdata->serio = serio; drvdata->dev = dev; diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index a61b2153ab8c..1d98198c4bdf 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -35,6 +35,7 @@ #include <linux/regulator/consumer.h> #include <linux/module.h> #include <asm/irq.h> +#include <asm/unaligned.h> /* * This code has been heavily tested on a Nokia 770, and lightly @@ -410,7 +411,7 @@ static int ads7845_read12_ser(struct device *dev, unsigned command) if (status == 0) { /* BE12 value, then padding */ - status = be16_to_cpu(*((u16 *)&req->sample[1])); + status = get_unaligned_be16(&req->sample[1]); status = status >> 3; status &= 0x0fff; } @@ -785,10 +786,11 @@ static void ads7846_report_state(struct ads7846 *ts) /* compute touch pressure resistance using equation #2 */ Rt = z2; Rt -= z1; - Rt *= x; Rt *= ts->x_plate_ohms; + Rt = DIV_ROUND_CLOSEST(Rt, 16); + Rt *= x; Rt /= z1; - Rt = (Rt + 2047) >> 12; + Rt = DIV_ROUND_CLOSEST(Rt, 256); } else { Rt = 0; } diff --git a/drivers/input/touchscreen/elo.c b/drivers/input/touchscreen/elo.c index 8051a4b704ea..e2e31cbd6b2c 100644 --- a/drivers/input/touchscreen/elo.c +++ b/drivers/input/touchscreen/elo.c @@ -345,8 +345,10 @@ static int elo_connect(struct serio *serio, struct serio_driver *drv) switch (elo->id) { case 0: /* 10-byte protocol */ - if (elo_setup_10(elo)) + if (elo_setup_10(elo)) { + err = -EIO; goto fail3; + } break; diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index 67cadda13ab1..d7cc8f6a292e 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -78,6 +78,18 @@ static const struct dmi_system_id rotated_screen[] = { }, }, { + .ident = "Teclast X98 Pro", + .matches = { + /* + * Only match BIOS date, because the manufacturers + * BIOS does not report the board name at all + * (sometimes)... + */ + DMI_MATCH(DMI_BOARD_VENDOR, "TECLAST"), + DMI_MATCH(DMI_BIOS_DATE, "10/28/2015"), + }, + }, + { .ident = "WinBook TW100", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "WinBook"), diff --git a/drivers/input/touchscreen/imx6ul_tsc.c b/drivers/input/touchscreen/imx6ul_tsc.c index 8275267eac25..4be7ddc04af0 100644 --- a/drivers/input/touchscreen/imx6ul_tsc.c +++ b/drivers/input/touchscreen/imx6ul_tsc.c @@ -490,20 +490,25 @@ static int __maybe_unused imx6ul_tsc_resume(struct device *dev) mutex_lock(&input_dev->mutex); - if (input_dev->users) { - retval = clk_prepare_enable(tsc->adc_clk); - if (retval) - goto out; - - retval = clk_prepare_enable(tsc->tsc_clk); - if (retval) { - clk_disable_unprepare(tsc->adc_clk); - goto out; - } + if (!input_dev->users) + goto out; - retval = imx6ul_tsc_init(tsc); + retval = clk_prepare_enable(tsc->adc_clk); + if (retval) + goto out; + + retval = clk_prepare_enable(tsc->tsc_clk); + if (retval) { + clk_disable_unprepare(tsc->adc_clk); + goto out; } + retval = imx6ul_tsc_init(tsc); + if (retval) { + clk_disable_unprepare(tsc->tsc_clk); + clk_disable_unprepare(tsc->adc_clk); + goto out; + } out: mutex_unlock(&input_dev->mutex); return retval; diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 66a406e87e11..d916ac079662 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3625,7 +3625,7 @@ static struct irq_chip amd_ir_chip; #define DTE_IRQ_PHYS_ADDR_MASK (((1ULL << 45)-1) << 6) #define DTE_IRQ_REMAP_INTCTL (2ULL << 60) -#define DTE_IRQ_TABLE_LEN (8ULL << 1) +#define DTE_IRQ_TABLE_LEN (9ULL << 1) #define DTE_IRQ_REMAP_ENABLE 1ULL static void set_dte_irq_entry(u16 devid, struct irq_remap_table *table) diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index 695d4e235438..90832bf00538 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -351,7 +351,11 @@ extern bool amd_iommu_np_cache; /* Only true if all IOMMUs support device IOTLBs */ extern bool amd_iommu_iotlb_sup; -#define MAX_IRQS_PER_TABLE 256 +/* + * AMD IOMMU hardware only support 512 IRTEs despite + * the architectural limitation of 2048 entries. + */ +#define MAX_IRQS_PER_TABLE 512 #define IRQ_TABLE_ALIGNMENT 128 struct irq_remap_table { diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 00169c9eb3ee..54f27dd9f156 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -1012,8 +1012,8 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) { struct intel_iommu *iommu; u32 ver, sts; - int agaw = 0; - int msagaw = 0; + int agaw = -1; + int msagaw = -1; int err; if (!drhd->reg_base_addr) { @@ -1038,17 +1038,28 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) } err = -EINVAL; - agaw = iommu_calculate_agaw(iommu); - if (agaw < 0) { - pr_err("Cannot get a valid agaw for iommu (seq_id = %d)\n", - iommu->seq_id); - goto err_unmap; + if (cap_sagaw(iommu->cap) == 0) { + pr_info("%s: No supported address widths. Not attempting DMA translation.\n", + iommu->name); + drhd->ignored = 1; } - msagaw = iommu_calculate_max_sagaw(iommu); - if (msagaw < 0) { - pr_err("Cannot get a valid max agaw for iommu (seq_id = %d)\n", - iommu->seq_id); - goto err_unmap; + + if (!drhd->ignored) { + agaw = iommu_calculate_agaw(iommu); + if (agaw < 0) { + pr_err("Cannot get a valid agaw for iommu (seq_id = %d)\n", + iommu->seq_id); + drhd->ignored = 1; + } + } + if (!drhd->ignored) { + msagaw = iommu_calculate_max_sagaw(iommu); + if (msagaw < 0) { + pr_err("Cannot get a valid max agaw for iommu (seq_id = %d)\n", + iommu->seq_id); + drhd->ignored = 1; + agaw = -1; + } } iommu->agaw = agaw; iommu->msagaw = msagaw; @@ -1076,16 +1087,15 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) raw_spin_lock_init(&iommu->register_lock); drhd->iommu = iommu; + iommu->drhd = drhd; - if (intel_iommu_enabled) + if (intel_iommu_enabled && !drhd->ignored) iommu->iommu_dev = iommu_device_create(NULL, iommu, intel_iommu_groups, "%s", iommu->name); return 0; -err_unmap: - unmap_iommu(iommu); error_free_seq_id: dmar_free_seq_id(iommu); error: @@ -1095,7 +1105,8 @@ error: static void free_iommu(struct intel_iommu *iommu) { - iommu_device_destroy(iommu->iommu_dev); + if (intel_iommu_enabled && !iommu->drhd->ignored) + iommu_device_destroy(iommu->iommu_dev); if (iommu->irq) { if (iommu->pr_irq) { diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index 29a31eb9ace3..02df8d9dc842 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -1158,13 +1158,17 @@ static int exynos_iommu_of_xlate(struct device *dev, return -ENODEV; data = platform_get_drvdata(sysmmu); - if (!data) + if (!data) { + put_device(&sysmmu->dev); return -ENODEV; + } if (!owner) { owner = kzalloc(sizeof(*owner), GFP_KERNEL); - if (!owner) + if (!owner) { + put_device(&sysmmu->dev); return -ENOMEM; + } INIT_LIST_HEAD(&owner->controllers); dev->archdata.iommu = owner; diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index ce125ec23d2a..88ba1a65c283 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -1350,6 +1350,8 @@ static int intel_irq_remapping_alloc(struct irq_domain *domain, irq_data = irq_domain_get_irq_data(domain, virq + i); irq_cfg = irqd_cfg(irq_data); if (!irq_data || !irq_cfg) { + if (!i) + kfree(data); ret = -EINVAL; goto out_free_data; } diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c index d15347de415a..9de62c3b8bf9 100644 --- a/drivers/isdn/capi/kcapi.c +++ b/drivers/isdn/capi/kcapi.c @@ -845,7 +845,7 @@ EXPORT_SYMBOL(capi20_put_message); * Return value: CAPI result code */ -u16 capi20_get_manufacturer(u32 contr, u8 *buf) +u16 capi20_get_manufacturer(u32 contr, u8 buf[CAPI_MANUFACTURER_LEN]) { struct capi_ctr *ctr; u16 ret; @@ -915,7 +915,7 @@ EXPORT_SYMBOL(capi20_get_version); * Return value: CAPI result code */ -u16 capi20_get_serial(u32 contr, u8 *serial) +u16 capi20_get_serial(u32 contr, u8 serial[CAPI_SERIAL_LEN]) { struct capi_ctr *ctr; u16 ret; diff --git a/drivers/isdn/hardware/mISDN/mISDNinfineon.c b/drivers/isdn/hardware/mISDN/mISDNinfineon.c index d5bdbaf93a1a..d0b6377b9834 100644 --- a/drivers/isdn/hardware/mISDN/mISDNinfineon.c +++ b/drivers/isdn/hardware/mISDN/mISDNinfineon.c @@ -645,17 +645,19 @@ static void release_io(struct inf_hw *hw) { if (hw->cfg.mode) { - if (hw->cfg.p) { + if (hw->cfg.mode == AM_MEMIO) { release_mem_region(hw->cfg.start, hw->cfg.size); - iounmap(hw->cfg.p); + if (hw->cfg.p) + iounmap(hw->cfg.p); } else release_region(hw->cfg.start, hw->cfg.size); hw->cfg.mode = AM_NONE; } if (hw->addr.mode) { - if (hw->addr.p) { + if (hw->addr.mode == AM_MEMIO) { release_mem_region(hw->addr.start, hw->addr.size); - iounmap(hw->addr.p); + if (hw->addr.p) + iounmap(hw->addr.p); } else release_region(hw->addr.start, hw->addr.size); hw->addr.mode = AM_NONE; @@ -685,9 +687,12 @@ setup_io(struct inf_hw *hw) (ulong)hw->cfg.start, (ulong)hw->cfg.size); return err; } - if (hw->ci->cfg_mode == AM_MEMIO) - hw->cfg.p = ioremap(hw->cfg.start, hw->cfg.size); hw->cfg.mode = hw->ci->cfg_mode; + if (hw->ci->cfg_mode == AM_MEMIO) { + hw->cfg.p = ioremap(hw->cfg.start, hw->cfg.size); + if (!hw->cfg.p) + return -ENOMEM; + } if (debug & DEBUG_HW) pr_notice("%s: IO cfg %lx (%lu bytes) mode%d\n", hw->name, (ulong)hw->cfg.start, @@ -712,9 +717,12 @@ setup_io(struct inf_hw *hw) (ulong)hw->addr.start, (ulong)hw->addr.size); return err; } - if (hw->ci->addr_mode == AM_MEMIO) - hw->addr.p = ioremap(hw->addr.start, hw->addr.size); hw->addr.mode = hw->ci->addr_mode; + if (hw->ci->addr_mode == AM_MEMIO) { + hw->addr.p = ioremap(hw->addr.start, hw->addr.size); + if (!hw->addr.p) + return -ENOMEM; + } if (debug & DEBUG_HW) pr_notice("%s: IO addr %lx (%lu bytes) mode%d\n", hw->name, (ulong)hw->addr.start, diff --git a/drivers/isdn/hardware/mISDN/mISDNipac.c b/drivers/isdn/hardware/mISDN/mISDNipac.c index cb428b9ee441..b4639b0aab3c 100644 --- a/drivers/isdn/hardware/mISDN/mISDNipac.c +++ b/drivers/isdn/hardware/mISDN/mISDNipac.c @@ -709,7 +709,7 @@ isac_release(struct isac_hw *isac) { if (isac->type & IPAC_TYPE_ISACX) WriteISAC(isac, ISACX_MASK, 0xff); - else + else if (isac->type != 0) WriteISAC(isac, ISAC_MASK, 0xff); if (isac->dch.timer.function != NULL) { del_timer(&isac->dch.timer); diff --git a/drivers/isdn/hardware/mISDN/netjet.c b/drivers/isdn/hardware/mISDN/netjet.c index 8e2944784e00..59eec2014b82 100644 --- a/drivers/isdn/hardware/mISDN/netjet.c +++ b/drivers/isdn/hardware/mISDN/netjet.c @@ -1114,7 +1114,6 @@ nj_probe(struct pci_dev *pdev, const struct pci_device_id *ent) card->typ = NETJET_S_TJ300; card->base = pci_resource_start(pdev, 0); - card->irq = pdev->irq; pci_set_drvdata(pdev, card); err = setup_instance(card); if (err) diff --git a/drivers/isdn/mISDN/Kconfig b/drivers/isdn/mISDN/Kconfig index c0730d5c734d..fb61181a5c4f 100644 --- a/drivers/isdn/mISDN/Kconfig +++ b/drivers/isdn/mISDN/Kconfig @@ -12,6 +12,7 @@ if MISDN != n config MISDN_DSP tristate "Digital Audio Processing of transparent data" depends on MISDN + select BITREVERSE help Enable support for digital audio processing capability. diff --git a/drivers/leds/leds-bcm6328.c b/drivers/leds/leds-bcm6328.c index c7ea5c626331..be728106baae 100644 --- a/drivers/leds/leds-bcm6328.c +++ b/drivers/leds/leds-bcm6328.c @@ -325,7 +325,7 @@ static int bcm6328_led(struct device *dev, struct device_node *nc, u32 reg, led->cdev.brightness_set = bcm6328_led_set; led->cdev.blink_set = bcm6328_blink_set; - rc = led_classdev_register(dev, &led->cdev); + rc = devm_led_classdev_register(dev, &led->cdev); if (rc < 0) return rc; diff --git a/drivers/leds/leds-bcm6358.c b/drivers/leds/leds-bcm6358.c index 82b4ee1bc87e..dae1fd097941 100644 --- a/drivers/leds/leds-bcm6358.c +++ b/drivers/leds/leds-bcm6358.c @@ -146,7 +146,7 @@ static int bcm6358_led(struct device *dev, struct device_node *nc, u32 reg, led->cdev.brightness_set = bcm6358_led_set; - rc = led_classdev_register(dev, &led->cdev); + rc = devm_led_classdev_register(dev, &led->cdev); if (rc < 0) return rc; diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c index d12370352ae3..01165b04a6b7 100644 --- a/drivers/leds/leds-lp5523.c +++ b/drivers/leds/leds-lp5523.c @@ -320,7 +320,7 @@ static int lp5523_init_program_engine(struct lp55xx_chip *chip) usleep_range(3000, 6000); ret = lp55xx_read(chip, LP5523_REG_STATUS, &status); if (ret) - return ret; + goto out; status &= LP5523_ENG_STATUS_MASK; if (status != LP5523_ENG_STATUS_MASK) { diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 391090c455ce..65281f168c6f 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -1332,7 +1332,7 @@ __acquires(bitmap->lock) if (bitmap->bp[page].hijacked || bitmap->bp[page].map == NULL) csize = ((sector_t)1) << (bitmap->chunkshift + - PAGE_COUNTER_SHIFT - 1); + PAGE_COUNTER_SHIFT); else csize = ((sector_t)1) << bitmap->chunkshift; *blocks = csize - (offset & (csize - 1)); diff --git a/drivers/md/dm-era-target.c b/drivers/md/dm-era-target.c index 32e76c5ee741..b34e0e3b35b6 100644 --- a/drivers/md/dm-era-target.c +++ b/drivers/md/dm-era-target.c @@ -46,6 +46,7 @@ struct writeset { static void writeset_free(struct writeset *ws) { vfree(ws->bits); + ws->bits = NULL; } static int setup_on_disk_bitset(struct dm_disk_bitset *info, @@ -70,8 +71,6 @@ static size_t bitset_size(unsigned nr_bits) */ static int writeset_alloc(struct writeset *ws, dm_block_t nr_blocks) { - ws->md.nr_bits = nr_blocks; - ws->md.root = INVALID_WRITESET_ROOT; ws->bits = vzalloc(bitset_size(nr_blocks)); if (!ws->bits) { DMERR("%s: couldn't allocate in memory bitset", __func__); @@ -84,12 +83,14 @@ static int writeset_alloc(struct writeset *ws, dm_block_t nr_blocks) /* * Wipes the in-core bitset, and creates a new on disk bitset. */ -static int writeset_init(struct dm_disk_bitset *info, struct writeset *ws) +static int writeset_init(struct dm_disk_bitset *info, struct writeset *ws, + dm_block_t nr_blocks) { int r; - memset(ws->bits, 0, bitset_size(ws->md.nr_bits)); + memset(ws->bits, 0, bitset_size(nr_blocks)); + ws->md.nr_bits = nr_blocks; r = setup_on_disk_bitset(info, ws->md.nr_bits, &ws->md.root); if (r) { DMERR("%s: setup_on_disk_bitset failed", __func__); @@ -133,7 +134,7 @@ static int writeset_test_and_set(struct dm_disk_bitset *info, { int r; - if (!test_and_set_bit(block, ws->bits)) { + if (!test_bit(block, ws->bits)) { r = dm_bitset_set_bit(info, ws->md.root, block, &ws->md.root); if (r) { /* FIXME: fail mode */ @@ -388,7 +389,7 @@ static void ws_dec(void *context, const void *value) static int ws_eq(void *context, const void *value1, const void *value2) { - return !memcmp(value1, value2, sizeof(struct writeset_metadata)); + return !memcmp(value1, value2, sizeof(struct writeset_disk)); } /*----------------------------------------------------------------*/ @@ -564,6 +565,15 @@ static int open_metadata(struct era_metadata *md) } disk = dm_block_data(sblock); + + /* Verify the data block size hasn't changed */ + if (le32_to_cpu(disk->data_block_size) != md->block_size) { + DMERR("changing the data block size (from %u to %llu) is not supported", + le32_to_cpu(disk->data_block_size), md->block_size); + r = -EINVAL; + goto bad; + } + r = dm_tm_open_with_sm(md->bm, SUPERBLOCK_LOCATION, disk->metadata_space_map_root, sizeof(disk->metadata_space_map_root), @@ -575,10 +585,10 @@ static int open_metadata(struct era_metadata *md) setup_infos(md); - md->block_size = le32_to_cpu(disk->data_block_size); md->nr_blocks = le32_to_cpu(disk->nr_blocks); md->current_era = le32_to_cpu(disk->current_era); + ws_unpack(&disk->current_writeset, &md->current_writeset->md); md->writeset_tree_root = le64_to_cpu(disk->writeset_tree_root); md->era_array_root = le64_to_cpu(disk->era_array_root); md->metadata_snap = le64_to_cpu(disk->metadata_snap); @@ -747,6 +757,12 @@ static int metadata_digest_lookup_writeset(struct era_metadata *md, ws_unpack(&disk, &d->writeset); d->value = cpu_to_le32(key); + /* + * We initialise another bitset info to avoid any caching side effects + * with the previous one. + */ + dm_disk_bitset_init(md->tm, &d->info); + d->nr_bits = min(d->writeset.nr_bits, md->nr_blocks); d->current_bit = 0; d->step = metadata_digest_transcribe_writeset; @@ -760,12 +776,6 @@ static int metadata_digest_start(struct era_metadata *md, struct digest *d) return 0; memset(d, 0, sizeof(*d)); - - /* - * We initialise another bitset info to avoid any caching side - * effects with the previous one. - */ - dm_disk_bitset_init(md->tm, &d->info); d->step = metadata_digest_lookup_writeset; return 0; @@ -803,6 +813,8 @@ static struct era_metadata *metadata_open(struct block_device *bdev, static void metadata_close(struct era_metadata *md) { + writeset_free(&md->writesets[0]); + writeset_free(&md->writesets[1]); destroy_persistent_data_objects(md); kfree(md); } @@ -840,6 +852,7 @@ static int metadata_resize(struct era_metadata *md, void *arg) r = writeset_alloc(&md->writesets[1], *new_size); if (r) { DMERR("%s: writeset_alloc failed for writeset 1", __func__); + writeset_free(&md->writesets[0]); return r; } @@ -850,6 +863,8 @@ static int metadata_resize(struct era_metadata *md, void *arg) &value, &md->era_array_root); if (r) { DMERR("%s: dm_array_resize failed", __func__); + writeset_free(&md->writesets[0]); + writeset_free(&md->writesets[1]); return r; } @@ -871,7 +886,6 @@ static int metadata_era_archive(struct era_metadata *md) } ws_pack(&md->current_writeset->md, &value); - md->current_writeset->md.root = INVALID_WRITESET_ROOT; keys[0] = md->current_era; __dm_bless_for_disk(&value); @@ -883,6 +897,7 @@ static int metadata_era_archive(struct era_metadata *md) return r; } + md->current_writeset->md.root = INVALID_WRITESET_ROOT; md->archived_writesets = true; return 0; @@ -899,7 +914,7 @@ static int metadata_new_era(struct era_metadata *md) int r; struct writeset *new_writeset = next_writeset(md); - r = writeset_init(&md->bitset_info, new_writeset); + r = writeset_init(&md->bitset_info, new_writeset, md->nr_blocks); if (r) { DMERR("%s: writeset_init failed", __func__); return r; @@ -952,7 +967,7 @@ static int metadata_commit(struct era_metadata *md) int r; struct dm_block *sblock; - if (md->current_writeset->md.root != SUPERBLOCK_LOCATION) { + if (md->current_writeset->md.root != INVALID_WRITESET_ROOT) { r = dm_bitset_flush(&md->bitset_info, md->current_writeset->md.root, &md->current_writeset->md.root); if (r) { @@ -1227,8 +1242,10 @@ static void process_deferred_bios(struct era *era) int r; struct bio_list deferred_bios, marked_bios; struct bio *bio; + struct blk_plug plug; bool commit_needed = false; bool failed = false; + struct writeset *ws = era->md->current_writeset; bio_list_init(&deferred_bios); bio_list_init(&marked_bios); @@ -1238,9 +1255,11 @@ static void process_deferred_bios(struct era *era) bio_list_init(&era->deferred_bios); spin_unlock(&era->deferred_lock); + if (bio_list_empty(&deferred_bios)) + return; + while ((bio = bio_list_pop(&deferred_bios))) { - r = writeset_test_and_set(&era->md->bitset_info, - era->md->current_writeset, + r = writeset_test_and_set(&era->md->bitset_info, ws, get_block(era, bio)); if (r < 0) { /* @@ -1248,7 +1267,6 @@ static void process_deferred_bios(struct era *era) * FIXME: finish. */ failed = true; - } else if (r == 0) commit_needed = true; @@ -1264,9 +1282,19 @@ static void process_deferred_bios(struct era *era) if (failed) while ((bio = bio_list_pop(&marked_bios))) bio_io_error(bio); - else - while ((bio = bio_list_pop(&marked_bios))) + else { + blk_start_plug(&plug); + while ((bio = bio_list_pop(&marked_bios))) { + /* + * Only update the in-core writeset if the on-disk one + * was updated too. + */ + if (commit_needed) + set_bit(get_block(era, bio), ws->bits); generic_make_request(bio); + } + blk_finish_plug(&plug); + } } static void process_rpc_calls(struct era *era) @@ -1487,15 +1515,6 @@ static int era_ctr(struct dm_target *ti, unsigned argc, char **argv) } era->md = md; - era->nr_blocks = calc_nr_blocks(era); - - r = metadata_resize(era->md, &era->nr_blocks); - if (r) { - ti->error = "couldn't resize metadata"; - era_destroy(era); - return -ENOMEM; - } - era->wq = alloc_ordered_workqueue("dm-" DM_MSG_PREFIX, WQ_MEM_RECLAIM); if (!era->wq) { ti->error = "could not create workqueue for metadata object"; @@ -1573,16 +1592,24 @@ static int era_preresume(struct dm_target *ti) dm_block_t new_size = calc_nr_blocks(era); if (era->nr_blocks != new_size) { - r = in_worker1(era, metadata_resize, &new_size); - if (r) + r = metadata_resize(era->md, &new_size); + if (r) { + DMERR("%s: metadata_resize failed", __func__); + return r; + } + + r = metadata_commit(era->md); + if (r) { + DMERR("%s: metadata_commit failed", __func__); return r; + } era->nr_blocks = new_size; } start_worker(era); - r = in_worker0(era, metadata_new_era); + r = in_worker0(era, metadata_era_rollover); if (r) { DMERR("%s: metadata_era_rollover failed", __func__); return r; diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 9371194677dc..a6e6a852c9e8 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -524,7 +524,7 @@ static int list_devices(struct dm_ioctl *param, size_t param_size) * Grab our output buffer. */ nl = get_result_buffer(param, param_size, &len); - if (len < needed) { + if (len < needed || len < sizeof(nl->dev)) { param->flags |= DM_BUFFER_FULL_FLAG; goto out; } @@ -1539,6 +1539,7 @@ static int target_message(struct dm_ioctl *param, size_t param_size) if (!argc) { DMWARN("Empty message received."); + r = -EINVAL; goto out_argv; } diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 510b0cf430a8..cbd3dbfad7d1 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -789,7 +789,7 @@ static int dm_add_exception(void *context, chunk_t old, chunk_t new) static uint32_t __minimum_chunk_size(struct origin *o) { struct dm_snapshot *snap; - unsigned chunk_size = 0; + unsigned chunk_size = rounddown_pow_of_two(UINT_MAX); if (o) list_for_each_entry(snap, &o->snapshots, list) @@ -1265,6 +1265,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) if (!s->store->chunk_size) { ti->error = "Chunk size not set"; + r = -EINVAL; goto bad_read_metadata; } diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 466158d06ab1..9da3ff8a07cc 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -393,14 +393,23 @@ int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode, { int r; dev_t dev; + unsigned int major, minor; + char dummy; struct dm_dev_internal *dd; struct dm_table *t = ti->table; BUG_ON(!t); - dev = dm_get_dev_t(path); - if (!dev) - return -ENODEV; + if (sscanf(path, "%u:%u%c", &major, &minor, &dummy) == 2) { + /* Extract the major/minor numbers */ + dev = MKDEV(major, minor); + if (MAJOR(dev) != major || MINOR(dev) != minor) + return -EOVERFLOW; + } else { + dev = dm_get_dev_t(path); + if (!dev) + return -ENODEV; + } dd = find_device(&t->devices, dev); if (!dd) { @@ -507,14 +516,14 @@ static int adjoin(struct dm_table *table, struct dm_target *ti) * On the other hand, dm-switch needs to process bulk data using messages and * excessive use of GFP_NOIO could cause trouble. */ -static char **realloc_argv(unsigned *array_size, char **old_argv) +static char **realloc_argv(unsigned *size, char **old_argv) { char **argv; unsigned new_size; gfp_t gfp; - if (*array_size) { - new_size = *array_size * 2; + if (*size) { + new_size = *size * 2; gfp = GFP_KERNEL; } else { new_size = 8; @@ -522,8 +531,8 @@ static char **realloc_argv(unsigned *array_size, char **old_argv) } argv = kmalloc(new_size * sizeof(*argv), gfp); if (argv) { - memcpy(argv, old_argv, *array_size * sizeof(*argv)); - *array_size = new_size; + memcpy(argv, old_argv, *size * sizeof(*argv)); + *size = new_size; } kfree(old_argv); @@ -1154,12 +1163,6 @@ void dm_table_event_callback(struct dm_table *t, void dm_table_event(struct dm_table *t) { - /* - * You can no longer call dm_table_event() from interrupt - * context, use a bottom half instead. - */ - BUG_ON(in_interrupt()); - mutex_lock(&_event_lock); if (t->event_fn) t->event_fn(t->event_context); @@ -1207,6 +1210,46 @@ struct dm_target *dm_table_find_target(struct dm_table *t, sector_t sector) return &t->targets[(KEYS_PER_NODE * n) + k]; } +/* + * type->iterate_devices() should be called when the sanity check needs to + * iterate and check all underlying data devices. iterate_devices() will + * iterate all underlying data devices until it encounters a non-zero return + * code, returned by whether the input iterate_devices_callout_fn, or + * iterate_devices() itself internally. + * + * For some target type (e.g. dm-stripe), one call of iterate_devices() may + * iterate multiple underlying devices internally, in which case a non-zero + * return code returned by iterate_devices_callout_fn will stop the iteration + * in advance. + * + * Cases requiring _any_ underlying device supporting some kind of attribute, + * should use the iteration structure like dm_table_any_dev_attr(), or call + * it directly. @func should handle semantics of positive examples, e.g. + * capable of something. + * + * Cases requiring _all_ underlying devices supporting some kind of attribute, + * should use the iteration structure like dm_table_supports_nowait() or + * dm_table_supports_discards(). Or introduce dm_table_all_devs_attr() that + * uses an @anti_func that handle semantics of counter examples, e.g. not + * capable of something. So: return !dm_table_any_dev_attr(t, anti_func); + */ +static bool dm_table_any_dev_attr(struct dm_table *t, + iterate_devices_callout_fn func) +{ + struct dm_target *ti; + unsigned int i; + + for (i = 0; i < dm_table_get_num_targets(t); i++) { + ti = dm_table_get_target(t, i); + + if (ti->type->iterate_devices && + ti->type->iterate_devices(ti, func, NULL)) + return true; + } + + return false; +} + static int count_device(struct dm_target *ti, struct dm_dev *dev, sector_t start, sector_t len, void *data) { @@ -1377,12 +1420,12 @@ static bool dm_table_discard_zeroes_data(struct dm_table *t) return true; } -static int device_is_nonrot(struct dm_target *ti, struct dm_dev *dev, - sector_t start, sector_t len, void *data) +static int device_is_rotational(struct dm_target *ti, struct dm_dev *dev, + sector_t start, sector_t len, void *data) { struct request_queue *q = bdev_get_queue(dev->bdev); - return q && blk_queue_nonrot(q); + return q && !blk_queue_nonrot(q); } static int device_is_not_random(struct dm_target *ti, struct dm_dev *dev, @@ -1393,29 +1436,12 @@ static int device_is_not_random(struct dm_target *ti, struct dm_dev *dev, return q && !blk_queue_add_random(q); } -static int queue_supports_sg_merge(struct dm_target *ti, struct dm_dev *dev, - sector_t start, sector_t len, void *data) +static int queue_no_sg_merge(struct dm_target *ti, struct dm_dev *dev, + sector_t start, sector_t len, void *data) { struct request_queue *q = bdev_get_queue(dev->bdev); - return q && !test_bit(QUEUE_FLAG_NO_SG_MERGE, &q->queue_flags); -} - -static bool dm_table_all_devices_attribute(struct dm_table *t, - iterate_devices_callout_fn func) -{ - struct dm_target *ti; - unsigned i = 0; - - while (i < dm_table_get_num_targets(t)) { - ti = dm_table_get_target(t, i++); - - if (!ti->type->iterate_devices || - !ti->type->iterate_devices(ti, func, NULL)) - return false; - } - - return true; + return q && test_bit(QUEUE_FLAG_NO_SG_MERGE, &q->queue_flags); } static int device_not_write_same_capable(struct dm_target *ti, struct dm_dev *dev, @@ -1508,18 +1534,18 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, q->limits.discard_zeroes_data = 0; /* Ensure that all underlying devices are non-rotational. */ - if (dm_table_all_devices_attribute(t, device_is_nonrot)) - queue_flag_set_unlocked(QUEUE_FLAG_NONROT, q); - else + if (dm_table_any_dev_attr(t, device_is_rotational)) queue_flag_clear_unlocked(QUEUE_FLAG_NONROT, q); + else + queue_flag_set_unlocked(QUEUE_FLAG_NONROT, q); if (!dm_table_supports_write_same(t)) q->limits.max_write_same_sectors = 0; - if (dm_table_all_devices_attribute(t, queue_supports_sg_merge)) - queue_flag_clear_unlocked(QUEUE_FLAG_NO_SG_MERGE, q); - else + if (dm_table_any_dev_attr(t, queue_no_sg_merge)) queue_flag_set_unlocked(QUEUE_FLAG_NO_SG_MERGE, q); + else + queue_flag_clear_unlocked(QUEUE_FLAG_NO_SG_MERGE, q); dm_table_verify_integrity(t); @@ -1529,7 +1555,7 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, * Clear QUEUE_FLAG_ADD_RANDOM if any underlying device does not * have it set. */ - if (blk_queue_add_random(q) && dm_table_all_devices_attribute(t, device_is_not_random)) + if (blk_queue_add_random(q) && dm_table_any_dev_attr(t, device_is_not_random)) queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, q); /* diff --git a/drivers/md/md.c b/drivers/md/md.c index 60161690e226..11e21415bf7e 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -515,6 +515,17 @@ void mddev_init(struct mddev *mddev) } EXPORT_SYMBOL_GPL(mddev_init); +static struct mddev *mddev_find_locked(dev_t unit) +{ + struct mddev *mddev; + + list_for_each_entry(mddev, &all_mddevs, all_mddevs) + if (mddev->unit == unit) + return mddev; + + return NULL; +} + static struct mddev *mddev_find(dev_t unit) { struct mddev *mddev, *new = NULL; @@ -526,13 +537,13 @@ static struct mddev *mddev_find(dev_t unit) spin_lock(&all_mddevs_lock); if (unit) { - list_for_each_entry(mddev, &all_mddevs, all_mddevs) - if (mddev->unit == unit) { - mddev_get(mddev); - spin_unlock(&all_mddevs_lock); - kfree(new); - return mddev; - } + mddev = mddev_find_locked(unit); + if (mddev) { + mddev_get(mddev); + spin_unlock(&all_mddevs_lock); + kfree(new); + return mddev; + } if (new) { list_add(&new->all_mddevs, &all_mddevs); @@ -558,12 +569,7 @@ static struct mddev *mddev_find(dev_t unit) return NULL; } - is_free = 1; - list_for_each_entry(mddev, &all_mddevs, all_mddevs) - if (mddev->unit == dev) { - is_free = 0; - break; - } + is_free = !mddev_find_locked(dev); } new->unit = dev; new->md_minor = MINOR(dev); @@ -7040,8 +7046,7 @@ static int md_open(struct block_device *bdev, fmode_t mode) /* Wait until bdev->bd_disk is definitely gone */ if (work_pending(&mddev->del_work)) flush_workqueue(md_misc_wq); - /* Then retry the open from the top */ - return -ERESTARTSYS; + return -EBUSY; } BUG_ON(mddev != bdev->bd_disk->private_data); diff --git a/drivers/md/persistent-data/dm-btree-internal.h b/drivers/md/persistent-data/dm-btree-internal.h index a240990a7f33..5673f8eb5f88 100644 --- a/drivers/md/persistent-data/dm-btree-internal.h +++ b/drivers/md/persistent-data/dm-btree-internal.h @@ -34,12 +34,12 @@ struct node_header { __le32 max_entries; __le32 value_size; __le32 padding; -} __packed; +} __attribute__((packed, aligned(8))); struct btree_node { struct node_header header; __le64 keys[0]; -} __packed; +} __attribute__((packed, aligned(8))); /* diff --git a/drivers/md/persistent-data/dm-space-map-common.c b/drivers/md/persistent-data/dm-space-map-common.c index 22729fd92a1b..ca09ad2a639c 100644 --- a/drivers/md/persistent-data/dm-space-map-common.c +++ b/drivers/md/persistent-data/dm-space-map-common.c @@ -337,6 +337,8 @@ int sm_ll_find_free_block(struct ll_disk *ll, dm_block_t begin, */ begin = do_div(index_begin, ll->entries_per_block); end = do_div(end, ll->entries_per_block); + if (end == 0) + end = ll->entries_per_block; for (i = index_begin; i < index_end; i++, begin = 0) { struct dm_block *blk; diff --git a/drivers/md/persistent-data/dm-space-map-common.h b/drivers/md/persistent-data/dm-space-map-common.h index 8de63ce39bdd..87e17909ef52 100644 --- a/drivers/md/persistent-data/dm-space-map-common.h +++ b/drivers/md/persistent-data/dm-space-map-common.h @@ -33,7 +33,7 @@ struct disk_index_entry { __le64 blocknr; __le32 nr_free; __le32 none_free_before; -} __packed; +} __attribute__ ((packed, aligned(8))); #define MAX_METADATA_BITMAPS 255 @@ -43,7 +43,7 @@ struct disk_metadata_index { __le64 blocknr; struct disk_index_entry index[MAX_METADATA_BITMAPS]; -} __packed; +} __attribute__ ((packed, aligned(8))); struct ll_disk; @@ -86,7 +86,7 @@ struct disk_sm_root { __le64 nr_allocated; __le64 bitmap_root; __le64 ref_count_root; -} __packed; +} __attribute__ ((packed, aligned(8))); #define ENTRIES_PER_BYTE 4 @@ -94,7 +94,7 @@ struct disk_bitmap_header { __le32 csum; __le32 not_used; __le64 blocknr; -} __packed; +} __attribute__ ((packed, aligned(8))); enum allocation_event { SM_NONE, diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 99cd843351c2..24708dcf0bb4 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2238,8 +2238,6 @@ static int resize_stripes(struct r5conf *conf, int newsize) } else err = -ENOMEM; - mutex_unlock(&conf->cache_size_mutex); - conf->slab_cache = sc; conf->active_name = 1-conf->active_name; @@ -2262,6 +2260,8 @@ static int resize_stripes(struct r5conf *conf, int newsize) if (!err) conf->pool_size = newsize; + mutex_unlock(&conf->cache_size_mutex); + return err; } diff --git a/drivers/media/dvb-frontends/sp8870.c b/drivers/media/dvb-frontends/sp8870.c index e87ac30d7fb8..b43135c5a960 100644 --- a/drivers/media/dvb-frontends/sp8870.c +++ b/drivers/media/dvb-frontends/sp8870.c @@ -293,7 +293,9 @@ static int sp8870_set_frontend_parameters(struct dvb_frontend *fe) sp8870_writereg(state, 0xc05, reg0xc05); // read status reg in order to clear pending irqs - sp8870_readreg(state, 0x200); + err = sp8870_readreg(state, 0x200); + if (err < 0) + return err; // system controller start sp8870_microcontroller_start(state); diff --git a/drivers/media/firewire/firedtv-fw.c b/drivers/media/firewire/firedtv-fw.c index 5d634706a7ea..382f290c3f4d 100644 --- a/drivers/media/firewire/firedtv-fw.c +++ b/drivers/media/firewire/firedtv-fw.c @@ -271,8 +271,10 @@ static int node_probe(struct fw_unit *unit, const struct ieee1394_device_id *id) name_len = fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)); - if (name_len < 0) - return name_len; + if (name_len < 0) { + err = name_len; + goto fail_free; + } for (i = ARRAY_SIZE(model_names); --i; ) if (strlen(model_names[i]) <= name_len && strncmp(name, model_names[i], name_len) == 0) diff --git a/drivers/media/i2c/adv7511-v4l2.c b/drivers/media/i2c/adv7511-v4l2.c index b35400e4e9af..e85777dfe81d 100644 --- a/drivers/media/i2c/adv7511-v4l2.c +++ b/drivers/media/i2c/adv7511-v4l2.c @@ -1570,7 +1570,7 @@ static int adv7511_remove(struct i2c_client *client) client->addr << 1, client->adapter->name); adv7511_init_setup(sd); - cancel_delayed_work(&state->edid_handler); + cancel_delayed_work_sync(&state->edid_handler); i2c_unregister_device(state->i2c_edid); i2c_unregister_device(state->i2c_pktmem); destroy_workqueue(state->work_queue); diff --git a/drivers/media/i2c/m5mols/m5mols_core.c b/drivers/media/i2c/m5mols/m5mols_core.c index 6404c0d93e7a..514267680dc9 100644 --- a/drivers/media/i2c/m5mols/m5mols_core.c +++ b/drivers/media/i2c/m5mols/m5mols_core.c @@ -754,7 +754,8 @@ static int m5mols_sensor_power(struct m5mols_info *info, bool enable) ret = regulator_bulk_enable(ARRAY_SIZE(supplies), supplies); if (ret) { - info->set_power(&client->dev, 0); + if (info->set_power) + info->set_power(&client->dev, 0); return ret; } diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c index bc630a719776..1e95fdb61041 100644 --- a/drivers/media/i2c/tc358743.c +++ b/drivers/media/i2c/tc358743.c @@ -1325,7 +1325,7 @@ static int tc358743_isr(struct v4l2_subdev *sd, u32 status, bool *handled) static irqreturn_t tc358743_irq_handler(int irq, void *dev_id) { struct tc358743_state *state = dev_id; - bool handled; + bool handled = false; tc358743_isr(&state->sd, 0, &handled); diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c index 51dbef2f9a48..10c9c078af01 100644 --- a/drivers/media/pci/bt8xx/bttv-driver.c +++ b/drivers/media/pci/bt8xx/bttv-driver.c @@ -4053,11 +4053,13 @@ static int bttv_probe(struct pci_dev *dev, const struct pci_device_id *pci_id) btv->id = dev->device; if (pci_enable_device(dev)) { pr_warn("%d: Can't enable device\n", btv->c.nr); - return -EIO; + result = -EIO; + goto free_mem; } if (pci_set_dma_mask(dev, DMA_BIT_MASK(32))) { pr_warn("%d: No suitable DMA available\n", btv->c.nr); - return -EIO; + result = -EIO; + goto free_mem; } if (!request_mem_region(pci_resource_start(dev,0), pci_resource_len(dev,0), @@ -4065,7 +4067,8 @@ static int bttv_probe(struct pci_dev *dev, const struct pci_device_id *pci_id) pr_warn("%d: can't request iomem (0x%llx)\n", btv->c.nr, (unsigned long long)pci_resource_start(dev, 0)); - return -EBUSY; + result = -EBUSY; + goto free_mem; } pci_set_master(dev); pci_set_command(dev); @@ -4251,6 +4254,10 @@ fail0: release_mem_region(pci_resource_start(btv->c.pci,0), pci_resource_len(btv->c.pci,0)); pci_disable_device(btv->c.pci); + +free_mem: + bttvs[btv->c.nr] = NULL; + kfree(btv); return result; } diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/cx25821/cx25821-core.c index 54398d8a4696..b43cf85ed5f0 100644 --- a/drivers/media/pci/cx25821/cx25821-core.c +++ b/drivers/media/pci/cx25821/cx25821-core.c @@ -990,8 +990,10 @@ int cx25821_riscmem_alloc(struct pci_dev *pci, __le32 *cpu; dma_addr_t dma = 0; - if (NULL != risc->cpu && risc->size < size) + if (risc->cpu && risc->size < size) { pci_free_consistent(pci, risc->size, risc->cpu, risc->dma); + risc->cpu = NULL; + } if (NULL == risc->cpu) { cpu = pci_zalloc_consistent(pci, size, &dma); if (NULL == cpu) diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c b/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c index f33c0de3e849..019bbc18cede 100644 --- a/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c +++ b/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c @@ -184,7 +184,7 @@ int netup_spi_init(struct netup_unidvb_dev *ndev) struct spi_master *master; struct netup_spi *nspi; - master = spi_alloc_master(&ndev->pci_dev->dev, + master = devm_spi_alloc_master(&ndev->pci_dev->dev, sizeof(struct netup_spi)); if (!master) { dev_err(&ndev->pci_dev->dev, @@ -217,6 +217,7 @@ int netup_spi_init(struct netup_unidvb_dev *ndev) ndev->pci_slot, ndev->pci_func); if (!spi_new_device(master, &netup_spi_board)) { + spi_unregister_master(master); ndev->spi = NULL; dev_err(&ndev->pci_dev->dev, "%s(): unable to create SPI device\n", __func__); @@ -235,13 +236,13 @@ void netup_spi_release(struct netup_unidvb_dev *ndev) if (!spi) return; + spi_unregister_master(spi->master); spin_lock_irqsave(&spi->lock, flags); reg = readw(&spi->regs->control_stat); writew(reg | NETUP_SPI_CTRL_IRQ, &spi->regs->control_stat); reg = readw(&spi->regs->control_stat); writew(reg & ~NETUP_SPI_CTRL_IMASK, &spi->regs->control_stat); spin_unlock_irqrestore(&spi->lock, flags); - spi_unregister_master(spi->master); ndev->spi = NULL; } diff --git a/drivers/media/pci/saa7134/saa7134-empress.c b/drivers/media/pci/saa7134/saa7134-empress.c index 56b932c97196..ae3b96e9cff3 100644 --- a/drivers/media/pci/saa7134/saa7134-empress.c +++ b/drivers/media/pci/saa7134/saa7134-empress.c @@ -295,8 +295,11 @@ static int empress_init(struct saa7134_dev *dev) q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; q->lock = &dev->lock; err = vb2_queue_init(q); - if (err) + if (err) { + video_device_release(dev->empress_dev); + dev->empress_dev = NULL; return err; + } dev->empress_dev->queue = q; video_set_drvdata(dev->empress_dev, dev); diff --git a/drivers/media/pci/saa7134/saa7134-tvaudio.c b/drivers/media/pci/saa7134/saa7134-tvaudio.c index 21a579309575..02407983ce23 100644 --- a/drivers/media/pci/saa7134/saa7134-tvaudio.c +++ b/drivers/media/pci/saa7134/saa7134-tvaudio.c @@ -696,7 +696,8 @@ int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value) { int err; - audio_dbg(2, "dsp write reg 0x%x = 0x%06x\n", reg << 2, value); + audio_dbg(2, "dsp write reg 0x%x = 0x%06x\n", + (reg << 2) & 0xffffffff, value); err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR); if (err < 0) return err; diff --git a/drivers/media/pci/saa7146/mxb.c b/drivers/media/pci/saa7146/mxb.c index 0ca1e07ae783..868af73c5536 100644 --- a/drivers/media/pci/saa7146/mxb.c +++ b/drivers/media/pci/saa7146/mxb.c @@ -652,16 +652,17 @@ static int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio * struct mxb *mxb = (struct mxb *)dev->ext_priv; DEB_D("VIDIOC_S_AUDIO %d\n", a->index); - if (mxb_inputs[mxb->cur_input].audioset & (1 << a->index)) { - if (mxb->cur_audinput != a->index) { - mxb->cur_audinput = a->index; - tea6420_route(mxb, a->index); - if (mxb->cur_audinput == 0) - mxb_update_audmode(mxb); - } - return 0; + if (a->index >= 32 || + !(mxb_inputs[mxb->cur_input].audioset & (1 << a->index))) + return -EINVAL; + + if (mxb->cur_audinput != a->index) { + mxb->cur_audinput = a->index; + tea6420_route(mxb, a->index); + if (mxb->cur_audinput == 0) + mxb_update_audmode(mxb); } - return -EINVAL; + return 0; } #ifdef CONFIG_VIDEO_ADV_DEBUG diff --git a/drivers/media/pci/saa7164/saa7164-encoder.c b/drivers/media/pci/saa7164/saa7164-encoder.c index 1b184c39ba97..966de363c575 100644 --- a/drivers/media/pci/saa7164/saa7164-encoder.c +++ b/drivers/media/pci/saa7164/saa7164-encoder.c @@ -1031,7 +1031,7 @@ int saa7164_encoder_register(struct saa7164_port *port) "(errno = %d), NO PCI configuration\n", __func__, result); result = -ENOMEM; - goto failed; + goto fail_pci; } /* Establish encoder defaults here */ @@ -1085,7 +1085,7 @@ int saa7164_encoder_register(struct saa7164_port *port) 100000, ENCODER_DEF_BITRATE); if (hdl->error) { result = hdl->error; - goto failed; + goto fail_hdl; } port->std = V4L2_STD_NTSC_M; @@ -1103,7 +1103,7 @@ int saa7164_encoder_register(struct saa7164_port *port) printk(KERN_INFO "%s: can't allocate mpeg device\n", dev->name); result = -ENOMEM; - goto failed; + goto fail_hdl; } port->v4l_device->ctrl_handler = hdl; @@ -1114,10 +1114,7 @@ int saa7164_encoder_register(struct saa7164_port *port) if (result < 0) { printk(KERN_INFO "%s: can't register mpeg device\n", dev->name); - /* TODO: We're going to leak here if we don't dealloc - The buffers above. The unreg function can't deal wit it. - */ - goto failed; + goto fail_reg; } printk(KERN_INFO "%s: registered device video%d [mpeg]\n", @@ -1139,9 +1136,14 @@ int saa7164_encoder_register(struct saa7164_port *port) saa7164_api_set_encoder(port); saa7164_api_get_encoder(port); + return 0; - result = 0; -failed: +fail_reg: + video_device_release(port->v4l_device); + port->v4l_device = NULL; +fail_hdl: + v4l2_ctrl_handler_free(hdl); +fail_pci: return result; } diff --git a/drivers/media/pci/solo6x10/solo6x10-g723.c b/drivers/media/pci/solo6x10/solo6x10-g723.c index 4a37a1c51c48..30407955a4d1 100644 --- a/drivers/media/pci/solo6x10/solo6x10-g723.c +++ b/drivers/media/pci/solo6x10/solo6x10-g723.c @@ -385,7 +385,7 @@ int solo_g723_init(struct solo_dev *solo_dev) ret = snd_ctl_add(card, snd_ctl_new1(&kctl, solo_dev)); if (ret < 0) - return ret; + goto snd_error; ret = solo_snd_pcm_init(solo_dev); if (ret < 0) diff --git a/drivers/media/platform/exynos4-is/fimc-isp.c b/drivers/media/platform/exynos4-is/fimc-isp.c index 5d78f5716f3b..ad280c5258b3 100644 --- a/drivers/media/platform/exynos4-is/fimc-isp.c +++ b/drivers/media/platform/exynos4-is/fimc-isp.c @@ -311,8 +311,10 @@ static int fimc_isp_subdev_s_power(struct v4l2_subdev *sd, int on) if (on) { ret = pm_runtime_get_sync(&is->pdev->dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put(&is->pdev->dev); return ret; + } set_bit(IS_ST_PWR_ON, &is->state); ret = fimc_is_start_firmware(is); diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c index 60660c3a5de0..65b33470a1b1 100644 --- a/drivers/media/platform/exynos4-is/fimc-lite.c +++ b/drivers/media/platform/exynos4-is/fimc-lite.c @@ -487,7 +487,7 @@ static int fimc_lite_open(struct file *file) set_bit(ST_FLITE_IN_USE, &fimc->state); ret = pm_runtime_get_sync(&fimc->pdev->dev); if (ret < 0) - goto unlock; + goto err_pm; ret = v4l2_fh_open(file); if (ret < 0) diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c index 31cc7d94064e..76fadd3e3ada 100644 --- a/drivers/media/platform/exynos4-is/media-dev.c +++ b/drivers/media/platform/exynos4-is/media-dev.c @@ -413,8 +413,10 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd) return -ENXIO; ret = pm_runtime_get_sync(fmd->pmf); - if (ret < 0) + if (ret < 0) { + pm_runtime_put(fmd->pmf); return ret; + } fmd->num_sensors = 0; @@ -1170,11 +1172,9 @@ static int fimc_md_get_pinctrl(struct fimc_md *fmd) if (IS_ERR(pctl->state_default)) return PTR_ERR(pctl->state_default); + /* PINCTRL_STATE_IDLE is optional */ pctl->state_idle = pinctrl_lookup_state(pctl->pinctrl, PINCTRL_STATE_IDLE); - if (IS_ERR(pctl->state_idle)) - return PTR_ERR(pctl->state_idle); - return 0; } diff --git a/drivers/media/platform/exynos4-is/mipi-csis.c b/drivers/media/platform/exynos4-is/mipi-csis.c index 4b85105dc159..4f7a0f59f36c 100644 --- a/drivers/media/platform/exynos4-is/mipi-csis.c +++ b/drivers/media/platform/exynos4-is/mipi-csis.c @@ -513,8 +513,10 @@ static int s5pcsis_s_stream(struct v4l2_subdev *sd, int enable) if (enable) { s5pcsis_clear_counters(state); ret = pm_runtime_get_sync(&state->pdev->dev); - if (ret && ret != 1) + if (ret && ret != 1) { + pm_runtime_put_noidle(&state->pdev->dev); return ret; + } } mutex_lock(&state->lock); diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c index f41e0d08de93..4c6842202e47 100644 --- a/drivers/media/platform/omap3isp/isp.c +++ b/drivers/media/platform/omap3isp/isp.c @@ -2388,8 +2388,10 @@ static int isp_probe(struct platform_device *pdev) mem = platform_get_resource(pdev, IORESOURCE_MEM, i); isp->mmio_base[map_idx] = devm_ioremap_resource(isp->dev, mem); - if (IS_ERR(isp->mmio_base[map_idx])) - return PTR_ERR(isp->mmio_base[map_idx]); + if (IS_ERR(isp->mmio_base[map_idx])) { + ret = PTR_ERR(isp->mmio_base[map_idx]); + goto error; + } } ret = isp_get_clocks(isp); diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c index a00dfaa1b945..6c97063cb3b3 100644 --- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c +++ b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c @@ -1369,7 +1369,7 @@ static int bdisp_probe(struct platform_device *pdev) ret = pm_runtime_get_sync(dev); if (ret < 0) { dev_err(dev, "failed to set PM\n"); - goto err_dbg; + goto err_pm; } /* Continuous memory allocator */ @@ -1406,7 +1406,6 @@ err_vb2_dma: vb2_dma_contig_cleanup_ctx(bdisp->alloc_ctx); err_pm: pm_runtime_put(dev); -err_dbg: bdisp_debugfs_remove(bdisp); err_v4l2: v4l2_device_unregister(&bdisp->v4l2_dev); diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c index b5f8c425cd2e..8a3714bfb77e 100644 --- a/drivers/media/platform/ti-vpe/vpe.c +++ b/drivers/media/platform/ti-vpe/vpe.c @@ -2135,6 +2135,8 @@ static int vpe_runtime_get(struct platform_device *pdev) r = pm_runtime_get_sync(&pdev->dev); WARN_ON(r < 0); + if (r) + pm_runtime_put_noidle(&pdev->dev); return r < 0 ? r : 0; } diff --git a/drivers/media/platform/vivid/vivid-vid-out.c b/drivers/media/platform/vivid/vivid-vid-out.c index ffe5531dfc81..7f6fa77e4775 100644 --- a/drivers/media/platform/vivid/vivid-vid-out.c +++ b/drivers/media/platform/vivid/vivid-vid-out.c @@ -1011,7 +1011,7 @@ int vivid_vid_out_s_fbuf(struct file *file, void *fh, return -EINVAL; } dev->fbuf_out_flags &= ~(chroma_flags | alpha_flags); - dev->fbuf_out_flags = a->flags & (chroma_flags | alpha_flags); + dev->fbuf_out_flags |= a->flags & (chroma_flags | alpha_flags); return 0; } diff --git a/drivers/media/rc/ati_remote.c b/drivers/media/rc/ati_remote.c index a35631891cc0..3c3f4c4f6be4 100644 --- a/drivers/media/rc/ati_remote.c +++ b/drivers/media/rc/ati_remote.c @@ -843,6 +843,10 @@ static int ati_remote_probe(struct usb_interface *interface, err("%s: endpoint_in message size==0? \n", __func__); return -ENODEV; } + if (!usb_endpoint_is_int_out(endpoint_out)) { + err("%s: Unexpected endpoint_out\n", __func__); + return -ENODEV; + } ati_remote = kzalloc(sizeof (struct ati_remote), GFP_KERNEL); rc_dev = rc_allocate_device(); diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c index 63165d324fff..7d3e50d94d86 100644 --- a/drivers/media/rc/ite-cir.c +++ b/drivers/media/rc/ite-cir.c @@ -292,8 +292,14 @@ static irqreturn_t ite_cir_isr(int irq, void *data) /* read the interrupt flags */ iflags = dev->params.get_irq_causes(dev); + /* Check for RX overflow */ + if (iflags & ITE_IRQ_RX_FIFO_OVERRUN) { + dev_warn(&dev->rdev->dev, "receive overflow\n"); + ir_raw_event_reset(dev->rdev); + } + /* check for the receive interrupt */ - if (iflags & (ITE_IRQ_RX_FIFO | ITE_IRQ_RX_FIFO_OVERRUN)) { + if (iflags & ITE_IRQ_RX_FIFO) { /* read the FIFO bytes */ rx_bytes = dev->params.get_rx_bytes(dev, rx_buf, diff --git a/drivers/media/rc/sunxi-cir.c b/drivers/media/rc/sunxi-cir.c index 40f77685cc4a..3ad7b67797e9 100644 --- a/drivers/media/rc/sunxi-cir.c +++ b/drivers/media/rc/sunxi-cir.c @@ -132,6 +132,8 @@ static irqreturn_t sunxi_ir_irq(int irqno, void *dev_id) } else if (status & REG_RXINT_RPEI_EN) { ir_raw_event_set_idle(ir->rc, true); ir_raw_event_handle(ir->rc); + } else { + ir_raw_event_handle(ir->rc); } spin_unlock(&ir->ir_lock); diff --git a/drivers/media/tuners/m88rs6000t.c b/drivers/media/tuners/m88rs6000t.c index 504bfbc4027a..f78caf3c2bbd 100644 --- a/drivers/media/tuners/m88rs6000t.c +++ b/drivers/media/tuners/m88rs6000t.c @@ -535,7 +535,7 @@ static int m88rs6000t_get_rf_strength(struct dvb_frontend *fe, u16 *strength) PGA2_cri = PGA2_GC >> 2; PGA2_crf = PGA2_GC & 0x03; - for (i = 0; i <= RF_GC; i++) + for (i = 0; i <= RF_GC && i < ARRAY_SIZE(RFGS); i++) RFG += RFGS[i]; if (RF_GC == 0) @@ -547,12 +547,12 @@ static int m88rs6000t_get_rf_strength(struct dvb_frontend *fe, u16 *strength) if (RF_GC == 3) RFG += 100; - for (i = 0; i <= IF_GC; i++) + for (i = 0; i <= IF_GC && i < ARRAY_SIZE(IFGS); i++) IFG += IFGS[i]; TIAG = TIA_GC * TIA_GS; - for (i = 0; i <= BB_GC; i++) + for (i = 0; i <= BB_GC && i < ARRAY_SIZE(BBGS); i++) BBG += BBGS[i]; PGA2G = PGA2_cri * PGA2_cri_GS + PGA2_crf * PGA2_crf_GS; diff --git a/drivers/media/usb/dvb-usb-v2/lmedm04.c b/drivers/media/usb/dvb-usb-v2/lmedm04.c index 09c97847bf95..b586a23ab588 100644 --- a/drivers/media/usb/dvb-usb-v2/lmedm04.c +++ b/drivers/media/usb/dvb-usb-v2/lmedm04.c @@ -445,7 +445,7 @@ static int lme2510_int_read(struct dvb_usb_adapter *adap) ep = usb_pipe_endpoint(d->udev, lme_int->lme_urb->pipe); if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK) - lme_int->lme_urb->pipe = usb_rcvbulkpipe(d->udev, 0xa), + lme_int->lme_urb->pipe = usb_rcvbulkpipe(d->udev, 0xa); lme_int->lme_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; diff --git a/drivers/media/usb/dvb-usb/dvb-usb-init.c b/drivers/media/usb/dvb-usb/dvb-usb-init.c index 97a89ef7e4c1..151212168c9f 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-init.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-init.c @@ -82,11 +82,17 @@ static int dvb_usb_adapter_init(struct dvb_usb_device *d, short *adapter_nrs) } } - if ((ret = dvb_usb_adapter_stream_init(adap)) || - (ret = dvb_usb_adapter_dvb_init(adap, adapter_nrs)) || - (ret = dvb_usb_adapter_frontend_init(adap))) { + ret = dvb_usb_adapter_stream_init(adap); + if (ret) return ret; - } + + ret = dvb_usb_adapter_dvb_init(adap, adapter_nrs); + if (ret) + goto dvb_init_err; + + ret = dvb_usb_adapter_frontend_init(adap); + if (ret) + goto frontend_init_err; /* use exclusive FE lock if there is multiple shared FEs */ if (adap->fe_adap[1].fe) @@ -106,6 +112,12 @@ static int dvb_usb_adapter_init(struct dvb_usb_device *d, short *adapter_nrs) } return 0; + +frontend_init_err: + dvb_usb_adapter_dvb_exit(adap); +dvb_init_err: + dvb_usb_adapter_stream_exit(adap); + return ret; } static int dvb_usb_adapter_exit(struct dvb_usb_device *d) diff --git a/drivers/media/usb/dvb-usb/dvb-usb.h b/drivers/media/usb/dvb-usb/dvb-usb.h index ce4c4e3b58bb..dd80b737d4da 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb.h +++ b/drivers/media/usb/dvb-usb/dvb-usb.h @@ -466,7 +466,8 @@ extern int dvb_usb_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, u16,int) extern int dvb_usb_generic_write(struct dvb_usb_device *, u8 *, u16); /* commonly used remote control parsing */ -extern int dvb_usb_nec_rc_key_to_event(struct dvb_usb_device *, u8[], u32 *, int *); +int dvb_usb_nec_rc_key_to_event(struct dvb_usb_device *d, u8 keybuf[5], + u32 *event, int *state); /* commonly used firmware download types and function */ struct hexline { diff --git a/drivers/media/usb/dvb-usb/gp8psk.c b/drivers/media/usb/dvb-usb/gp8psk.c index 5d0384dd45b5..7225ae1905eb 100644 --- a/drivers/media/usb/dvb-usb/gp8psk.c +++ b/drivers/media/usb/dvb-usb/gp8psk.c @@ -163,7 +163,7 @@ out_rel_fw: static int gp8psk_power_ctrl(struct dvb_usb_device *d, int onoff) { - u8 status, buf; + u8 status = 0, buf; int gp_product_id = le16_to_cpu(d->udev->descriptor.idProduct); if (onoff) { diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c index 5502a0fb94fd..a19c89009bf3 100644 --- a/drivers/media/usb/em28xx/em28xx-dvb.c +++ b/drivers/media/usb/em28xx/em28xx-dvb.c @@ -1757,6 +1757,7 @@ ret: return result; out_free: + em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE); kfree(dvb); dev->dvb = NULL; goto ret; diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c index 3733c15c753e..a4f64bdb8017 100644 --- a/drivers/media/usb/gspca/gspca.c +++ b/drivers/media/usb/gspca/gspca.c @@ -2130,6 +2130,9 @@ out: input_unregister_device(gspca_dev->input_dev); #endif v4l2_ctrl_handler_free(gspca_dev->vdev.ctrl_handler); + v4l2_device_unregister(&gspca_dev->v4l2_dev); + if (sd_desc->probe_error) + sd_desc->probe_error(gspca_dev); kfree(gspca_dev->usb_buf); kfree(gspca_dev); return ret; diff --git a/drivers/media/usb/gspca/gspca.h b/drivers/media/usb/gspca/gspca.h index d39adf90303b..bec8fccc2c94 100644 --- a/drivers/media/usb/gspca/gspca.h +++ b/drivers/media/usb/gspca/gspca.h @@ -101,6 +101,7 @@ struct sd_desc { cam_cf_op config; /* called on probe */ cam_op init; /* called on probe and resume */ cam_op init_controls; /* called on probe */ + cam_v_op probe_error; /* called if probe failed, do cleanup here */ cam_op start; /* called on stream on after URBs creation */ cam_pkt_op pkt_scan; /* optional operations */ diff --git a/drivers/media/usb/gspca/m5602/m5602_po1030.c b/drivers/media/usb/gspca/m5602/m5602_po1030.c index 4bf5c43424b7..971253dafb57 100644 --- a/drivers/media/usb/gspca/m5602/m5602_po1030.c +++ b/drivers/media/usb/gspca/m5602/m5602_po1030.c @@ -55,6 +55,7 @@ static const struct v4l2_ctrl_config po1030_greenbal_cfg = { int po1030_probe(struct sd *sd) { u8 dev_id_h = 0, i; + int err; struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; if (force_sensor) { @@ -73,10 +74,13 @@ int po1030_probe(struct sd *sd) for (i = 0; i < ARRAY_SIZE(preinit_po1030); i++) { u8 data = preinit_po1030[i][2]; if (preinit_po1030[i][0] == SENSOR) - m5602_write_sensor(sd, - preinit_po1030[i][1], &data, 1); + err = m5602_write_sensor(sd, preinit_po1030[i][1], + &data, 1); else - m5602_write_bridge(sd, preinit_po1030[i][1], data); + err = m5602_write_bridge(sd, preinit_po1030[i][1], + data); + if (err < 0) + return err; } if (m5602_read_sensor(sd, PO1030_DEVID_H, &dev_id_h, 1)) diff --git a/drivers/media/usb/gspca/sq905.c b/drivers/media/usb/gspca/sq905.c index a7ae0ec9fa91..03322d2b2e82 100644 --- a/drivers/media/usb/gspca/sq905.c +++ b/drivers/media/usb/gspca/sq905.c @@ -172,7 +172,7 @@ static int sq905_read_data(struct gspca_dev *gspca_dev, u8 *data, int size, int need_lock) { int ret; - int act_len; + int act_len = 0; gspca_dev->usb_buf[0] = '\0'; if (need_lock) diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx.c b/drivers/media/usb/gspca/stv06xx/stv06xx.c index 7d255529ed4c..40d4c99debb8 100644 --- a/drivers/media/usb/gspca/stv06xx/stv06xx.c +++ b/drivers/media/usb/gspca/stv06xx/stv06xx.c @@ -541,12 +541,21 @@ static int sd_int_pkt_scan(struct gspca_dev *gspca_dev, static int stv06xx_config(struct gspca_dev *gspca_dev, const struct usb_device_id *id); +static void stv06xx_probe_error(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *)gspca_dev; + + kfree(sd->sensor_priv); + sd->sensor_priv = NULL; +} + /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, .config = stv06xx_config, .init = stv06xx_init, .init_controls = stv06xx_init_controls, + .probe_error = stv06xx_probe_error, .start = stv06xx_start, .stopN = stv06xx_stopN, .pkt_scan = stv06xx_pkt_scan, diff --git a/drivers/media/usb/hdpvr/hdpvr-core.c b/drivers/media/usb/hdpvr/hdpvr-core.c index 7b5c493f02b0..9f95b048123d 100644 --- a/drivers/media/usb/hdpvr/hdpvr-core.c +++ b/drivers/media/usb/hdpvr/hdpvr-core.c @@ -297,7 +297,7 @@ static int hdpvr_probe(struct usb_interface *interface, /* register v4l2_device early so it can be used for printks */ if (v4l2_device_register(&interface->dev, &dev->v4l2_dev)) { dev_err(&interface->dev, "v4l2_device_register failed\n"); - goto error; + goto error_free_dev; } mutex_init(&dev->io_mutex); @@ -306,7 +306,7 @@ static int hdpvr_probe(struct usb_interface *interface, dev->usbc_buf = kmalloc(64, GFP_KERNEL); if (!dev->usbc_buf) { v4l2_err(&dev->v4l2_dev, "Out of memory\n"); - goto error; + goto error_v4l2_unregister; } init_waitqueue_head(&dev->wait_buffer); @@ -314,7 +314,7 @@ static int hdpvr_probe(struct usb_interface *interface, dev->workqueue = create_singlethread_workqueue("hdpvr_buffer"); if (!dev->workqueue) - goto error; + goto err_free_usbc; dev->options = hdpvr_default_options; @@ -348,13 +348,13 @@ static int hdpvr_probe(struct usb_interface *interface, } if (!dev->bulk_in_endpointAddr) { v4l2_err(&dev->v4l2_dev, "Could not find bulk-in endpoint\n"); - goto error; + goto error_put_usb; } /* init the device */ if (hdpvr_device_init(dev)) { v4l2_err(&dev->v4l2_dev, "device init failed\n"); - goto error; + goto error_put_usb; } mutex_lock(&dev->io_mutex); @@ -362,7 +362,7 @@ static int hdpvr_probe(struct usb_interface *interface, mutex_unlock(&dev->io_mutex); v4l2_err(&dev->v4l2_dev, "allocating transfer buffers failed\n"); - goto error; + goto error_put_usb; } mutex_unlock(&dev->io_mutex); @@ -370,7 +370,7 @@ static int hdpvr_probe(struct usb_interface *interface, retval = hdpvr_register_i2c_adapter(dev); if (retval < 0) { v4l2_err(&dev->v4l2_dev, "i2c adapter register failed\n"); - goto error; + goto error_free_buffers; } client = hdpvr_register_ir_rx_i2c(dev); @@ -412,15 +412,20 @@ static int hdpvr_probe(struct usb_interface *interface, reg_fail: #if IS_ENABLED(CONFIG_I2C) i2c_del_adapter(&dev->i2c_adapter); +error_free_buffers: #endif + hdpvr_free_buffers(dev); +error_put_usb: + usb_put_dev(dev->udev); + /* Destroy single thread */ + destroy_workqueue(dev->workqueue); +err_free_usbc: + kfree(dev->usbc_buf); +error_v4l2_unregister: + v4l2_device_unregister(&dev->v4l2_dev); +error_free_dev: + kfree(dev); error: - if (dev) { - /* Destroy single thread */ - if (dev->workqueue) - destroy_workqueue(dev->workqueue); - /* this frees allocated memory */ - hdpvr_delete(dev); - } return retval; } diff --git a/drivers/media/usb/msi2500/msi2500.c b/drivers/media/usb/msi2500/msi2500.c index e06a21a4fbd9..322238d9aa71 100644 --- a/drivers/media/usb/msi2500/msi2500.c +++ b/drivers/media/usb/msi2500/msi2500.c @@ -1254,7 +1254,7 @@ static int msi2500_probe(struct usb_interface *intf, } dev->master = master; - master->bus_num = 0; + master->bus_num = -1; master->num_chipselect = 1; master->transfer_one_message = msi2500_transfer_one_message; spi_master_set_devdata(master, dev); diff --git a/drivers/media/usb/tm6000/tm6000-dvb.c b/drivers/media/usb/tm6000/tm6000-dvb.c index 87401b18d85a..8afc7de1cf83 100644 --- a/drivers/media/usb/tm6000/tm6000-dvb.c +++ b/drivers/media/usb/tm6000/tm6000-dvb.c @@ -158,6 +158,10 @@ static int tm6000_start_stream(struct tm6000_core *dev) if (ret < 0) { printk(KERN_ERR "tm6000: error %i in %s during pipe reset\n", ret, __func__); + + kfree(dvb->bulk_urb->transfer_buffer); + usb_free_urb(dvb->bulk_urb); + dvb->bulk_urb = NULL; return ret; } else printk(KERN_ERR "tm6000: pipe resetted\n"); diff --git a/drivers/media/usb/usbtv/usbtv-audio.c b/drivers/media/usb/usbtv/usbtv-audio.c index 5dab02432e82..17128340ea5d 100644 --- a/drivers/media/usb/usbtv/usbtv-audio.c +++ b/drivers/media/usb/usbtv/usbtv-audio.c @@ -384,7 +384,7 @@ void usbtv_audio_free(struct usbtv *usbtv) cancel_work_sync(&usbtv->snd_trigger); if (usbtv->snd && usbtv->udev) { - snd_card_free(usbtv->snd); + snd_card_free_when_closed(usbtv->snd); usbtv->snd = NULL; } } diff --git a/drivers/media/usb/usbtv/usbtv-core.c b/drivers/media/usb/usbtv/usbtv-core.c index a2eb87d74656..8a1440a573a3 100644 --- a/drivers/media/usb/usbtv/usbtv-core.c +++ b/drivers/media/usb/usbtv/usbtv-core.c @@ -96,7 +96,8 @@ static int usbtv_probe(struct usb_interface *intf, usbtv_audio_fail: /* we must not free at this point */ - usb_get_dev(usbtv->udev); + v4l2_device_get(&usbtv->v4l2_dev); + /* this will undo the v4l2_device_get() */ usbtv_video_free(usbtv); usbtv_video_fail: diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index f353ab569b8e..def22b7fef9c 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -869,7 +869,10 @@ static struct uvc_entity *uvc_alloc_entity(u16 type, u8 id, unsigned int i; extra_size = roundup(extra_size, sizeof(*entity->pads)); - num_inputs = (type & UVC_TERM_OUTPUT) ? num_pads : num_pads - 1; + if (num_pads) + num_inputs = type & UVC_TERM_OUTPUT ? num_pads : num_pads - 1; + else + num_inputs = 0; size = sizeof(*entity) + extra_size + sizeof(*entity->pads) * num_pads + num_inputs; entity = kzalloc(size, GFP_KERNEL); @@ -885,7 +888,7 @@ static struct uvc_entity *uvc_alloc_entity(u16 type, u8 id, for (i = 0; i < num_inputs; ++i) entity->pads[i].flags = MEDIA_PAD_FL_SINK; - if (!UVC_ENTITY_IS_OTERM(entity)) + if (!UVC_ENTITY_IS_OTERM(entity) && num_pads) entity->pads[num_pads-1].flags = MEDIA_PAD_FL_SOURCE; entity->bNrInPins = num_inputs; diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index 0e7d16fe84d4..154f5bd45940 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -242,11 +242,41 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream, if (ret < 0) goto done; + /* After the probe, update fmt with the values returned from + * negotiation with the device. Some devices return invalid bFormatIndex + * and bFrameIndex values, in which case we can only assume they have + * accepted the requested format as-is. + */ + for (i = 0; i < stream->nformats; ++i) { + if (probe->bFormatIndex == stream->format[i].index) { + format = &stream->format[i]; + break; + } + } + + if (i == stream->nformats) + uvc_trace(UVC_TRACE_FORMAT, + "Unknown bFormatIndex %u, using default\n", + probe->bFormatIndex); + + for (i = 0; i < format->nframes; ++i) { + if (probe->bFrameIndex == format->frame[i].bFrameIndex) { + frame = &format->frame[i]; + break; + } + } + + if (i == format->nframes) + uvc_trace(UVC_TRACE_FORMAT, + "Unknown bFrameIndex %u, using default\n", + probe->bFrameIndex); + fmt->fmt.pix.width = frame->wWidth; fmt->fmt.pix.height = frame->wHeight; fmt->fmt.pix.field = V4L2_FIELD_NONE; fmt->fmt.pix.bytesperline = format->bpp * frame->wWidth / 8; fmt->fmt.pix.sizeimage = probe->dwMaxVideoFrameSize; + fmt->fmt.pix.pixelformat = format->fcc; fmt->fmt.pix.colorspace = format->colorspace; fmt->fmt.pix.priv = 0; diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 5e2a7e59f578..75bdcb4b7d57 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -2710,7 +2710,7 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, v4l2_kioctl func) { char sbuf[128]; - void *mbuf = NULL; + void *mbuf = NULL, *array_buf = NULL; void *parg = (void *)arg; long err = -EINVAL; bool has_array_args; @@ -2765,20 +2765,14 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, has_array_args = err; if (has_array_args) { - /* - * When adding new types of array args, make sure that the - * parent argument to ioctl (which contains the pointer to the - * array) fits into sbuf (so that mbuf will still remain - * unused up to here). - */ - mbuf = kmalloc(array_size, GFP_KERNEL); + array_buf = kmalloc(array_size, GFP_KERNEL); err = -ENOMEM; - if (NULL == mbuf) + if (array_buf == NULL) goto out_array_args; err = -EFAULT; - if (copy_from_user(mbuf, user_ptr, array_size)) + if (copy_from_user(array_buf, user_ptr, array_size)) goto out_array_args; - *kernel_ptr = mbuf; + *kernel_ptr = array_buf; } /* Handles IOCTL */ @@ -2797,7 +2791,7 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, if (has_array_args) { *kernel_ptr = (void __force *)user_ptr; - if (copy_to_user(user_ptr, mbuf, array_size)) + if (copy_to_user(user_ptr, array_buf, array_size)) err = -EFAULT; goto out_array_args; } @@ -2817,6 +2811,7 @@ out_array_args: } out: + kfree(array_buf); kfree(mbuf); return err; } diff --git a/drivers/memory/emif.c b/drivers/memory/emif.c index 04644e7b42b1..88c32b8dc88a 100644 --- a/drivers/memory/emif.c +++ b/drivers/memory/emif.c @@ -165,35 +165,12 @@ static const struct file_operations emif_mr4_fops = { static int __init_or_module emif_debugfs_init(struct emif_data *emif) { - struct dentry *dentry; - int ret; - - dentry = debugfs_create_dir(dev_name(emif->dev), NULL); - if (!dentry) { - ret = -ENOMEM; - goto err0; - } - emif->debugfs_root = dentry; - - dentry = debugfs_create_file("regcache_dump", S_IRUGO, - emif->debugfs_root, emif, &emif_regdump_fops); - if (!dentry) { - ret = -ENOMEM; - goto err1; - } - - dentry = debugfs_create_file("mr4", S_IRUGO, - emif->debugfs_root, emif, &emif_mr4_fops); - if (!dentry) { - ret = -ENOMEM; - goto err1; - } - + emif->debugfs_root = debugfs_create_dir(dev_name(emif->dev), NULL); + debugfs_create_file("regcache_dump", S_IRUGO, emif->debugfs_root, emif, + &emif_regdump_fops); + debugfs_create_file("mr4", S_IRUGO, emif->debugfs_root, emif, + &emif_mr4_fops); return 0; -err1: - debugfs_remove_recursive(emif->debugfs_root); -err0: - return ret; } static void __exit emif_debugfs_exit(struct emif_data *emif) diff --git a/drivers/memory/fsl-corenet-cf.c b/drivers/memory/fsl-corenet-cf.c index 662d050243be..2fbf8d09af36 100644 --- a/drivers/memory/fsl-corenet-cf.c +++ b/drivers/memory/fsl-corenet-cf.c @@ -215,10 +215,8 @@ static int ccf_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, ccf); irq = platform_get_irq(pdev, 0); - if (!irq) { - dev_err(&pdev->dev, "%s: no irq\n", __func__); - return -ENXIO; - } + if (irq < 0) + return irq; ret = devm_request_irq(&pdev->dev, irq, ccf_irq, 0, pdev->name, ccf); if (ret) { diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index 49691a8c74ee..f6d06d894538 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -928,7 +928,7 @@ static int gpmc_cs_remap(int cs, u32 base) int ret; u32 old_base, size; - if (cs > gpmc_cs_num) { + if (cs >= gpmc_cs_num) { pr_err("%s: requested chip-select is disabled\n", __func__); return -ENODEV; } @@ -963,7 +963,7 @@ int gpmc_cs_request(int cs, unsigned long size, unsigned long *base) struct resource *res = &gpmc->mem; int r = -1; - if (cs > gpmc_cs_num) { + if (cs >= gpmc_cs_num) { pr_err("%s: requested chip-select is disabled\n", __func__); return -ENODEV; } @@ -1005,8 +1005,8 @@ EXPORT_SYMBOL(gpmc_cs_request); void gpmc_cs_free(int cs) { - struct gpmc_cs_data *gpmc = &gpmc_cs[cs]; - struct resource *res = &gpmc->mem; + struct gpmc_cs_data *gpmc; + struct resource *res; spin_lock(&gpmc_mem_lock); if (cs >= gpmc_cs_num || cs < 0 || !gpmc_cs_reserved(cs)) { @@ -1015,6 +1015,9 @@ void gpmc_cs_free(int cs) spin_unlock(&gpmc_mem_lock); return; } + gpmc = &gpmc_cs[cs]; + res = &gpmc->mem; + gpmc_cs_disable_mem(cs); if (res->flags) release_resource(res); diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c index 1041eb7a6167..2cae85a7ca6d 100644 --- a/drivers/memstick/core/memstick.c +++ b/drivers/memstick/core/memstick.c @@ -469,7 +469,6 @@ static void memstick_check(struct work_struct *work) host->card = card; if (device_register(&card->dev)) { put_device(&card->dev); - kfree(host->card); host->card = NULL; } } else diff --git a/drivers/memstick/host/r592.c b/drivers/memstick/host/r592.c index ef09ba0289d7..b3857445d673 100644 --- a/drivers/memstick/host/r592.c +++ b/drivers/memstick/host/r592.c @@ -763,8 +763,10 @@ static int r592_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto error3; dev->mmio = pci_ioremap_bar(pdev, 0); - if (!dev->mmio) + if (!dev->mmio) { + error = -ENOMEM; goto error4; + } dev->irq = pdev->irq; spin_lock_init(&dev->irq_lock); @@ -791,12 +793,14 @@ static int r592_probe(struct pci_dev *pdev, const struct pci_device_id *id) &dev->dummy_dma_page_physical_address, GFP_KERNEL); r592_stop_dma(dev , 0); - if (request_irq(dev->irq, &r592_irq, IRQF_SHARED, - DRV_NAME, dev)) + error = request_irq(dev->irq, &r592_irq, IRQF_SHARED, + DRV_NAME, dev); + if (error) goto error6; r592_update_card_detect(dev); - if (memstick_add_host(host)) + error = memstick_add_host(host); + if (error) goto error7; message("driver successfully loaded"); diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index e77185e143ab..32083759b93d 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -1176,8 +1176,10 @@ mptscsih_remove(struct pci_dev *pdev) scsi_remove_host(host); - if((hd = shost_priv(host)) == NULL) - return; + if (host == NULL) + hd = NULL; + else + hd = shost_priv(host); mptscsih_shutdown(pdev); @@ -1193,14 +1195,15 @@ mptscsih_remove(struct pci_dev *pdev) "Free'd ScsiLookup (%d) memory\n", ioc->name, sz1)); - kfree(hd->info_kbuf); + if (hd) + kfree(hd->info_kbuf); /* NULL the Scsi_Host pointer */ ioc->sh = NULL; - scsi_host_put(host); - + if (host) + scsi_host_put(host); mpt_detach(pdev); } diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c index 98029ee0959e..be61f8606a04 100644 --- a/drivers/mfd/rtsx_pcr.c +++ b/drivers/mfd/rtsx_pcr.c @@ -1255,12 +1255,14 @@ static int rtsx_pci_probe(struct pci_dev *pcidev, ret = mfd_add_devices(&pcidev->dev, pcr->id, rtsx_pcr_cells, ARRAY_SIZE(rtsx_pcr_cells), NULL, 0, NULL); if (ret < 0) - goto disable_irq; + goto free_slots; schedule_delayed_work(&pcr->idle_work, msecs_to_jiffies(200)); return 0; +free_slots: + kfree(pcr->slots); disable_irq: free_irq(pcr->irq, (void *)pcr); disable_msi: diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index fbec711c4195..0fe273d2f619 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -1430,8 +1430,14 @@ static int sm501_plat_probe(struct platform_device *dev) goto err_claim; } - return sm501_init_dev(sm); + ret = sm501_init_dev(sm); + if (ret) + goto err_unmap; + + return 0; + err_unmap: + iounmap(sm->regs); err_claim: release_resource(sm->regs_claim); kfree(sm->regs_claim); diff --git a/drivers/mfd/wm831x-auxadc.c b/drivers/mfd/wm831x-auxadc.c index fd789d2eb0f5..9f7ae1e1ebcd 100644 --- a/drivers/mfd/wm831x-auxadc.c +++ b/drivers/mfd/wm831x-auxadc.c @@ -98,11 +98,10 @@ static int wm831x_auxadc_read_irq(struct wm831x *wm831x, wait_for_completion_timeout(&req->done, msecs_to_jiffies(500)); mutex_lock(&wm831x->auxadc_lock); - - list_del(&req->list); ret = req->val; out: + list_del(&req->list); mutex_unlock(&wm831x->auxadc_lock); kfree(req); diff --git a/drivers/misc/eeprom/eeprom_93xx46.c b/drivers/misc/eeprom/eeprom_93xx46.c index ff63f05edc76..22c1f06728a9 100644 --- a/drivers/misc/eeprom/eeprom_93xx46.c +++ b/drivers/misc/eeprom/eeprom_93xx46.c @@ -381,3 +381,4 @@ MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Driver for 93xx46 EEPROMs"); MODULE_AUTHOR("Anatolij Gustschin <agust@denx.de>"); MODULE_ALIAS("spi:93xx46"); +MODULE_ALIAS("spi:eeprom-93xx46"); diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c index fc8cb855c6e6..ab2184003c29 100644 --- a/drivers/misc/kgdbts.c +++ b/drivers/misc/kgdbts.c @@ -105,19 +105,20 @@ #include <linux/module.h> #include <asm/sections.h> -#define v1printk(a...) do { \ - if (verbose) \ - printk(KERN_INFO a); \ - } while (0) -#define v2printk(a...) do { \ - if (verbose > 1) \ - printk(KERN_INFO a); \ - touch_nmi_watchdog(); \ - } while (0) -#define eprintk(a...) do { \ - printk(KERN_ERR a); \ - WARN_ON(1); \ - } while (0) +#define v1printk(a...) do { \ + if (verbose) \ + printk(KERN_INFO a); \ +} while (0) +#define v2printk(a...) do { \ + if (verbose > 1) { \ + printk(KERN_INFO a); \ + } \ + touch_nmi_watchdog(); \ +} while (0) +#define eprintk(a...) do { \ + printk(KERN_ERR a); \ + WARN_ON(1); \ +} while (0) #define MAX_CONFIG_LEN 40 static struct kgdb_io kgdbts_io_ops; diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c index fb8705fc3aca..205dc5d40ce6 100644 --- a/drivers/misc/lis3lv02d/lis3lv02d.c +++ b/drivers/misc/lis3lv02d/lis3lv02d.c @@ -220,7 +220,7 @@ static int lis3_3dc_rates[16] = {0, 1, 10, 25, 50, 100, 200, 400, 1600, 5000}; static int lis3_3dlh_rates[4] = {50, 100, 400, 1000}; /* ODR is Output Data Rate */ -static int lis3lv02d_get_odr(struct lis3lv02d *lis3) +static int lis3lv02d_get_odr_index(struct lis3lv02d *lis3) { u8 ctrl; int shift; @@ -228,15 +228,23 @@ static int lis3lv02d_get_odr(struct lis3lv02d *lis3) lis3->read(lis3, CTRL_REG1, &ctrl); ctrl &= lis3->odr_mask; shift = ffs(lis3->odr_mask) - 1; - return lis3->odrs[(ctrl >> shift)]; + return (ctrl >> shift); } static int lis3lv02d_get_pwron_wait(struct lis3lv02d *lis3) { - int div = lis3lv02d_get_odr(lis3); + int odr_idx = lis3lv02d_get_odr_index(lis3); + int div = lis3->odrs[odr_idx]; - if (WARN_ONCE(div == 0, "device returned spurious data")) + if (div == 0) { + if (odr_idx == 0) { + /* Power-down mode, not sampling no need to sleep */ + return 0; + } + + dev_err(&lis3->pdev->dev, "Error unknown odrs-index: %d\n", odr_idx); return -ENXIO; + } /* LIS3 power on delay is quite long */ msleep(lis3->pwron_delay / div); @@ -819,9 +827,12 @@ static ssize_t lis3lv02d_rate_show(struct device *dev, struct device_attribute *attr, char *buf) { struct lis3lv02d *lis3 = dev_get_drvdata(dev); + int odr_idx; lis3lv02d_sysfs_poweron(lis3); - return sprintf(buf, "%d\n", lis3lv02d_get_odr(lis3)); + + odr_idx = lis3lv02d_get_odr_index(lis3); + return sprintf(buf, "%d\n", lis3->odrs[odr_idx]); } static ssize_t lis3lv02d_rate_set(struct device *dev, diff --git a/drivers/misc/lis3lv02d/lis3lv02d.h b/drivers/misc/lis3lv02d/lis3lv02d.h index c439c827eea8..0ef759671b54 100644 --- a/drivers/misc/lis3lv02d/lis3lv02d.h +++ b/drivers/misc/lis3lv02d/lis3lv02d.h @@ -284,6 +284,7 @@ struct lis3lv02d { int regs_size; u8 *reg_cache; bool regs_stored; + bool init_required; u8 odr_mask; /* ODR bit mask */ u8 whoami; /* indicates measurement precision */ s16 (*read_data) (struct lis3lv02d *lis3, int reg); diff --git a/drivers/misc/mei/client.h b/drivers/misc/mei/client.h index 04e1aa39243f..993d8f3e51d4 100644 --- a/drivers/misc/mei/client.h +++ b/drivers/misc/mei/client.h @@ -156,11 +156,11 @@ static inline u8 mei_cl_me_id(const struct mei_cl *cl) * * @cl: host client * - * Return: mtu + * Return: mtu or 0 if client is not connected */ static inline size_t mei_cl_mtu(const struct mei_cl *cl) { - return cl->me_cl->props.max_msg_length; + return cl->me_cl ? cl->me_cl->props.max_msg_length : 0; } /** diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c index d1df797c7568..85bf730c7c91 100644 --- a/drivers/misc/mei/interrupt.c +++ b/drivers/misc/mei/interrupt.c @@ -220,6 +220,9 @@ static int mei_cl_irq_read(struct mei_cl *cl, struct mei_cl_cb *cb, return ret; } + pm_runtime_mark_last_busy(dev->dev); + pm_request_autosuspend(dev->dev); + list_move_tail(&cb->list, &cl->rd_pending); return 0; diff --git a/drivers/misc/mic/scif/scif_rma.c b/drivers/misc/mic/scif/scif_rma.c index 71c69e1c4ac0..4188b88c20a4 100644 --- a/drivers/misc/mic/scif/scif_rma.c +++ b/drivers/misc/mic/scif/scif_rma.c @@ -1403,6 +1403,8 @@ retry: NULL); up_write(&mm->mmap_sem); if (nr_pages != pinned_pages->nr_pages) { + if (pinned_pages->nr_pages < 0) + pinned_pages->nr_pages = 0; if (try_upgrade) { if (ulimit) __scif_dec_pinned_vm_lock(mm, @@ -1423,7 +1425,6 @@ retry: if (pinned_pages->nr_pages < nr_pages) { err = -EFAULT; - pinned_pages->nr_pages = nr_pages; goto dec_pinned; } @@ -1436,7 +1437,6 @@ dec_pinned: __scif_dec_pinned_vm_lock(mm, nr_pages, 0); /* Something went wrong! Rollback */ error_unmap: - pinned_pages->nr_pages = nr_pages; scif_destroy_pinned_pages(pinned_pages); *pages = NULL; dev_dbg(scif_info.mdev.this_device, diff --git a/drivers/misc/vmw_vmci/vmci_context.c b/drivers/misc/vmw_vmci/vmci_context.c index b9da2c6cc981..0bdfa90ea6cd 100644 --- a/drivers/misc/vmw_vmci/vmci_context.c +++ b/drivers/misc/vmw_vmci/vmci_context.c @@ -750,7 +750,7 @@ static int vmci_ctx_get_chkpt_doorbells(struct vmci_ctx *context, return VMCI_ERROR_MORE_DATA; } - dbells = kmalloc(data_size, GFP_ATOMIC); + dbells = kzalloc(data_size, GFP_ATOMIC); if (!dbells) return VMCI_ERROR_NO_MEM; diff --git a/drivers/misc/vmw_vmci/vmci_doorbell.c b/drivers/misc/vmw_vmci/vmci_doorbell.c index 305a3449e946..c372f6a59bf7 100644 --- a/drivers/misc/vmw_vmci/vmci_doorbell.c +++ b/drivers/misc/vmw_vmci/vmci_doorbell.c @@ -334,7 +334,7 @@ int vmci_dbell_host_context_notify(u32 src_cid, struct vmci_handle handle) bool vmci_dbell_register_notification_bitmap(u32 bitmap_ppn) { int result; - struct vmci_notify_bm_set_msg bitmap_set_msg; + struct vmci_notify_bm_set_msg bitmap_set_msg = { }; bitmap_set_msg.hdr.dst = vmci_make_handle(VMCI_HYPERVISOR_CONTEXT_ID, VMCI_SET_NOTIFY_BITMAP); diff --git a/drivers/misc/vmw_vmci/vmci_guest.c b/drivers/misc/vmw_vmci/vmci_guest.c index 189b32519748..9ac3659a5537 100644 --- a/drivers/misc/vmw_vmci/vmci_guest.c +++ b/drivers/misc/vmw_vmci/vmci_guest.c @@ -172,7 +172,7 @@ static int vmci_check_host_caps(struct pci_dev *pdev) VMCI_UTIL_NUM_RESOURCES * sizeof(u32); struct vmci_datagram *check_msg; - check_msg = kmalloc(msg_size, GFP_KERNEL); + check_msg = kzalloc(msg_size, GFP_KERNEL); if (!check_msg) { dev_err(&pdev->dev, "%s: Insufficient memory\n", __func__); return -ENOMEM; diff --git a/drivers/misc/vmw_vmci/vmci_queue_pair.c b/drivers/misc/vmw_vmci/vmci_queue_pair.c index 3877f534fd3f..fcc4b4026834 100644 --- a/drivers/misc/vmw_vmci/vmci_queue_pair.c +++ b/drivers/misc/vmw_vmci/vmci_queue_pair.c @@ -639,6 +639,9 @@ static struct vmci_queue *qp_host_alloc_queue(u64 size) queue_page_size = num_pages * sizeof(*queue->kernel_if->u.h.page); + if (queue_size + queue_page_size > KMALLOC_MAX_SIZE) + return NULL; + queue = kzalloc(queue_size + queue_page_size, GFP_KERNEL); if (queue) { queue->q_header = NULL; @@ -732,7 +735,7 @@ static void qp_release_pages(struct page **pages, for (i = 0; i < num_pages; i++) { if (dirty) - set_page_dirty(pages[i]); + set_page_dirty_lock(pages[i]); page_cache_release(pages[i]); pages[i] = NULL; @@ -758,8 +761,9 @@ static int qp_host_get_user_memory(u64 produce_uva, if (retval < (int)produce_q->kernel_if->num_pages) { pr_debug("get_user_pages_fast(produce) failed (retval=%d)", retval); - qp_release_pages(produce_q->kernel_if->u.h.header_page, - retval, false); + if (retval > 0) + qp_release_pages(produce_q->kernel_if->u.h.header_page, + retval, false); err = VMCI_ERROR_NO_MEM; goto out; } @@ -770,8 +774,9 @@ static int qp_host_get_user_memory(u64 produce_uva, if (retval < (int)consume_q->kernel_if->num_pages) { pr_debug("get_user_pages_fast(consume) failed (retval=%d)", retval); - qp_release_pages(consume_q->kernel_if->u.h.header_page, - retval, false); + if (retval > 0) + qp_release_pages(consume_q->kernel_if->u.h.header_page, + retval, false); qp_release_pages(produce_q->kernel_if->u.h.header_page, produce_q->kernel_if->num_pages, false); err = VMCI_ERROR_NO_MEM; diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index df074f8c7cb7..a101f1dac7b0 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1593,7 +1593,7 @@ int mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage, u32 ocr) err = mmc_wait_for_cmd(host, &cmd, 0); if (err) - return err; + goto power_cycle; if (!mmc_host_is_spi(host) && (cmd.resp[0] & R1_ERROR)) return -EIO; diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 7844baecf306..150615298313 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -400,10 +400,6 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd) /* EXT_CSD value is in units of 10ms, but we store in ms */ card->ext_csd.part_time = 10 * ext_csd[EXT_CSD_PART_SWITCH_TIME]; - /* Some eMMC set the value too low so set a minimum */ - if (card->ext_csd.part_time && - card->ext_csd.part_time < MMC_MIN_PART_SWITCH_TIME) - card->ext_csd.part_time = MMC_MIN_PART_SWITCH_TIME; /* Sleep / awake timeout in 100ns units */ if (sa_shift > 0 && sa_shift <= 0x17) @@ -585,6 +581,17 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd) card->ext_csd.data_sector_size = 512; } + /* + * GENERIC_CMD6_TIME is to be used "unless a specific timeout is defined + * when accessing a specific field", so use it here if there is no + * PARTITION_SWITCH_TIME. + */ + if (!card->ext_csd.part_time) + card->ext_csd.part_time = card->ext_csd.generic_cmd6_time; + /* Some eMMC set the value too low so set a minimum */ + if (card->ext_csd.part_time < MMC_MIN_PART_SWITCH_TIME) + card->ext_csd.part_time = MMC_MIN_PART_SWITCH_TIME; + /* eMMC v5 or later */ if (card->ext_csd.rev >= 7) { memcpy(card->ext_csd.fwrev, &ext_csd[EXT_CSD_FIRMWARE_VERSION], diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index ed9af65e583e..824a1bdec394 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -138,6 +138,9 @@ static int mmc_decode_csd(struct mmc_card *card) csd->erase_size = UNSTUFF_BITS(resp, 39, 7) + 1; csd->erase_size <<= csd->write_blkbits - 9; } + + if (UNSTUFF_BITS(resp, 13, 1)) + mmc_card_set_readonly(card); break; case 1: /* @@ -172,6 +175,9 @@ static int mmc_decode_csd(struct mmc_card *card) csd->write_blkbits = 9; csd->write_partial = 0; csd->erase_size = 1; + + if (UNSTUFF_BITS(resp, 13, 1)) + mmc_card_set_readonly(card); break; default: pr_err("%s: unrecognised CSD structure version %d\n", diff --git a/drivers/mmc/core/sdio_cis.c b/drivers/mmc/core/sdio_cis.c index 8e94e555b788..f9416535f79d 100644 --- a/drivers/mmc/core/sdio_cis.c +++ b/drivers/mmc/core/sdio_cis.c @@ -24,12 +24,17 @@ #include "sdio_cis.h" #include "sdio_ops.h" +#define SDIO_READ_CIS_TIMEOUT_MS (10 * 1000) /* 10s */ + static int cistpl_vers_1(struct mmc_card *card, struct sdio_func *func, const unsigned char *buf, unsigned size) { unsigned i, nr_strings; char **buffer, *string; + if (size < 2) + return 0; + /* Find all null-terminated (including zero length) strings in the TPLLV1_INFO field. Trailing garbage is ignored. */ buf += 2; @@ -260,6 +265,8 @@ static int sdio_read_cis(struct mmc_card *card, struct sdio_func *func) do { unsigned char tpl_code, tpl_link; + unsigned long timeout = jiffies + + msecs_to_jiffies(SDIO_READ_CIS_TIMEOUT_MS); ret = mmc_io_rw_direct(card, 0, 0, ptr++, 0, &tpl_code); if (ret) @@ -312,6 +319,8 @@ static int sdio_read_cis(struct mmc_card *card, struct sdio_func *func) prev = &this->next; if (ret == -ENOENT) { + if (time_after(jiffies, timeout)) + break; /* warn about unknown tuples */ pr_warn_ratelimited("%s: queuing unknown" " CIS tuple 0x%02x (%u bytes)\n", diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 5ef25463494f..1770c8df9d1b 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -720,13 +720,13 @@ static void msdc_track_cmd_data(struct msdc_host *host, static void msdc_request_done(struct msdc_host *host, struct mmc_request *mrq) { unsigned long flags; - bool ret; - ret = cancel_delayed_work(&host->req_timeout); - if (!ret) { - /* delay work already running */ - return; - } + /* + * No need check the return value of cancel_delayed_work, as only ONE + * path will go here! + */ + cancel_delayed_work(&host->req_timeout); + spin_lock_irqsave(&host->lock, flags); host->mrq = NULL; spin_unlock_irqrestore(&host->lock, flags); @@ -747,7 +747,7 @@ static bool msdc_cmd_done(struct msdc_host *host, int events, bool done = false; bool sbc_error; unsigned long flags; - u32 *rsp = cmd->resp; + u32 *rsp; if (mrq->sbc && cmd == mrq->cmd && (events & (MSDC_INT_ACMDRDY | MSDC_INT_ACMDCRCERR @@ -768,6 +768,7 @@ static bool msdc_cmd_done(struct msdc_host *host, int events, if (done) return true; + rsp = cmd->resp; sdr_clr_bits(host->base + MSDC_INTEN, cmd_ints_mask); @@ -942,7 +943,7 @@ static void msdc_data_xfer_next(struct msdc_host *host, static bool msdc_data_xfer_done(struct msdc_host *host, u32 events, struct mmc_request *mrq, struct mmc_data *data) { - struct mmc_command *stop = data->stop; + struct mmc_command *stop; unsigned long flags; bool done; unsigned int check_data = events & @@ -958,6 +959,7 @@ static bool msdc_data_xfer_done(struct msdc_host *host, u32 events, if (done) return true; + stop = data->stop; if (check_data || (stop && stop->error)) { dev_dbg(host->dev, "DMA status: 0x%8X\n", diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index c8b8ac66ff7e..687fd68fbbcd 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -651,7 +651,7 @@ static int mxs_mmc_probe(struct platform_device *pdev) ret = mmc_of_parse(mmc); if (ret) - goto out_clk_disable; + goto out_free_dma; mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 31e95f9c1c93..63574a551144 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -1244,9 +1244,10 @@ static int sdhci_esdhc_imx_remove(struct platform_device *pdev) struct sdhci_host *host = platform_get_drvdata(pdev); struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct pltfm_imx_data *imx_data = pltfm_host->priv; - int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff); + int dead; pm_runtime_get_sync(&pdev->dev); + dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff); pm_runtime_disable(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c index b47122d3e8d8..2b6a9c6a6e96 100644 --- a/drivers/mmc/host/usdhi6rol0.c +++ b/drivers/mmc/host/usdhi6rol0.c @@ -1808,10 +1808,12 @@ static int usdhi6_probe(struct platform_device *pdev) ret = mmc_add_host(mmc); if (ret < 0) - goto e_clk_off; + goto e_release_dma; return 0; +e_release_dma: + usdhi6_dma_release(host); e_clk_off: clk_disable_unprepare(host->clk); e_free_mmc: diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c index 63fac78b3d46..b455e9cf95af 100644 --- a/drivers/mmc/host/via-sdmmc.c +++ b/drivers/mmc/host/via-sdmmc.c @@ -1269,11 +1269,14 @@ static void via_init_sdc_pm(struct via_crdr_mmc_host *host) static int via_sd_suspend(struct pci_dev *pcidev, pm_message_t state) { struct via_crdr_mmc_host *host; + unsigned long flags; host = pci_get_drvdata(pcidev); + spin_lock_irqsave(&host->lock, flags); via_save_pcictrlreg(host); via_save_sdcreg(host); + spin_unlock_irqrestore(&host->lock, flags); pci_save_state(pcidev); pci_enable_wake(pcidev, pci_choose_state(pcidev, state), 0); diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c index ffbc9b304beb..ab5b023ad279 100644 --- a/drivers/mtd/cmdlinepart.c +++ b/drivers/mtd/cmdlinepart.c @@ -228,7 +228,7 @@ static int mtdpart_setup_real(char *s) struct cmdline_mtd_partition *this_mtd; struct mtd_partition *parts; int mtd_id_len, num_parts; - char *p, *mtd_id, *semicol; + char *p, *mtd_id, *semicol, *open_parenth; /* * Replace the first ';' by a NULL char so strrchr can work @@ -238,6 +238,14 @@ static int mtdpart_setup_real(char *s) if (semicol) *semicol = '\0'; + /* + * make sure that part-names with ":" will not be handled as + * part of the mtd-id with an ":" + */ + open_parenth = strchr(s, '('); + if (open_parenth) + *open_parenth = '\0'; + mtd_id = s; /* @@ -247,6 +255,10 @@ static int mtdpart_setup_real(char *s) */ p = strrchr(s, ':'); + /* Restore the '(' now. */ + if (open_parenth) + *open_parenth = '('; + /* Restore the ';' now. */ if (semicol) *semicol = ';'; diff --git a/drivers/mtd/lpddr/lpddr2_nvm.c b/drivers/mtd/lpddr/lpddr2_nvm.c index 2342277c9bcb..5e36366d9b36 100644 --- a/drivers/mtd/lpddr/lpddr2_nvm.c +++ b/drivers/mtd/lpddr/lpddr2_nvm.c @@ -408,6 +408,17 @@ static int lpddr2_nvm_lock(struct mtd_info *mtd, loff_t start_add, return lpddr2_nvm_do_block_op(mtd, start_add, len, LPDDR2_NVM_LOCK); } +static const struct mtd_info lpddr2_nvm_mtd_info = { + .type = MTD_RAM, + .writesize = 1, + .flags = (MTD_CAP_NVRAM | MTD_POWERUP_LOCK), + ._read = lpddr2_nvm_read, + ._write = lpddr2_nvm_write, + ._erase = lpddr2_nvm_erase, + ._unlock = lpddr2_nvm_unlock, + ._lock = lpddr2_nvm_lock, +}; + /* * lpddr2_nvm driver probe method */ @@ -448,6 +459,7 @@ static int lpddr2_nvm_probe(struct platform_device *pdev) .pfow_base = OW_BASE_ADDRESS, .fldrv_priv = pcm_data, }; + if (IS_ERR(map->virt)) return PTR_ERR(map->virt); @@ -459,22 +471,13 @@ static int lpddr2_nvm_probe(struct platform_device *pdev) return PTR_ERR(pcm_data->ctl_regs); /* Populate mtd_info data structure */ - *mtd = (struct mtd_info) { - .dev = { .parent = &pdev->dev }, - .name = pdev->dev.init_name, - .type = MTD_RAM, - .priv = map, - .size = resource_size(add_range), - .erasesize = ERASE_BLOCKSIZE * pcm_data->bus_width, - .writesize = 1, - .writebufsize = WRITE_BUFFSIZE * pcm_data->bus_width, - .flags = (MTD_CAP_NVRAM | MTD_POWERUP_LOCK), - ._read = lpddr2_nvm_read, - ._write = lpddr2_nvm_write, - ._erase = lpddr2_nvm_erase, - ._unlock = lpddr2_nvm_unlock, - ._lock = lpddr2_nvm_lock, - }; + *mtd = lpddr2_nvm_mtd_info; + mtd->dev.parent = &pdev->dev; + mtd->name = pdev->dev.init_name; + mtd->priv = map; + mtd->size = resource_size(add_range); + mtd->erasesize = ERASE_BLOCKSIZE * pcm_data->bus_width; + mtd->writebufsize = WRITE_BUFFSIZE * pcm_data->bus_width; /* Verify the presence of the device looking for PFOW string */ if (!lpddr2_nvm_pfow_present(map)) { diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index ce87d9506f6a..0a2832782807 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -616,16 +616,12 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg) case MEMGETINFO: case MEMREADOOB: case MEMREADOOB64: - case MEMLOCK: - case MEMUNLOCK: case MEMISLOCKED: case MEMGETOOBSEL: case MEMGETBADBLOCK: - case MEMSETBADBLOCK: case OTPSELECT: case OTPGETREGIONCOUNT: case OTPGETREGIONINFO: - case OTPLOCK: case ECCGETLAYOUT: case ECCGETSTATS: case MTDFILEMODE: @@ -636,9 +632,13 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg) /* "dangerous" commands */ case MEMERASE: case MEMERASE64: + case MEMLOCK: + case MEMUNLOCK: + case MEMSETBADBLOCK: case MEMWRITEOOB: case MEMWRITEOOB64: case MEMWRITE: + case OTPLOCK: if (!(file->f_mode & FMODE_WRITE)) return -EPERM; break; diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c index 97bb8f6304d4..09165eaac7a1 100644 --- a/drivers/mtd/mtdoops.c +++ b/drivers/mtd/mtdoops.c @@ -313,12 +313,13 @@ static void mtdoops_do_dump(struct kmsg_dumper *dumper, kmsg_dump_get_buffer(dumper, true, cxt->oops_buf + MTDOOPS_HEADER_SIZE, record_size - MTDOOPS_HEADER_SIZE, NULL); - /* Panics must be written immediately */ - if (reason != KMSG_DUMP_OOPS) + if (reason != KMSG_DUMP_OOPS) { + /* Panics must be written immediately */ mtdoops_write(cxt, 1); - - /* For other cases, schedule work to write it "nicely" */ - schedule_work(&cxt->work_write); + } else { + /* For other cases, schedule work to write it "nicely" */ + schedule_work(&cxt->work_write); + } } static void mtdoops_notify_add(struct mtd_info *mtd) diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c index 0802158a3f75..557fcf1c21fe 100644 --- a/drivers/mtd/nand/diskonchip.c +++ b/drivers/mtd/nand/diskonchip.c @@ -1608,13 +1608,10 @@ static int __init doc_probe(unsigned long physadr) numchips = doc2001_init(mtd); if ((ret = nand_scan(mtd, numchips)) || (ret = doc->late_init(mtd))) { - /* DBB note: i believe nand_release is necessary here, as + /* DBB note: i believe nand_cleanup is necessary here, as buffers may have been allocated in nand_base. Check with Thomas. FIX ME! */ - /* nand_release will call mtd_device_unregister, but we - haven't yet added it. This is handled without incident by - mtd_device_unregister, as far as I can tell. */ - nand_release(mtd); + nand_cleanup(nand); kfree(mtd); goto fail; } diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 8406f346b0be..09864226428b 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -4427,18 +4427,14 @@ int nand_scan(struct mtd_info *mtd, int maxchips) EXPORT_SYMBOL(nand_scan); /** - * nand_release - [NAND Interface] Free resources held by the NAND device - * @mtd: MTD device structure + * nand_cleanup - [NAND Interface] Free resources held by the NAND device + * @chip: NAND chip object */ -void nand_release(struct mtd_info *mtd) +void nand_cleanup(struct nand_chip *chip) { - struct nand_chip *chip = mtd->priv; - if (chip->ecc.mode == NAND_ECC_SOFT_BCH) nand_bch_free((struct nand_bch_control *)chip->ecc.priv); - mtd_device_unregister(mtd); - /* Free bad block table memory */ kfree(chip->bbt); if (!(chip->options & NAND_OWN_BUFFERS)) @@ -4449,6 +4445,18 @@ void nand_release(struct mtd_info *mtd) & NAND_BBT_DYNAMICSTRUCT) kfree(chip->badblock_pattern); } +EXPORT_SYMBOL_GPL(nand_cleanup); + +/** + * nand_release - [NAND Interface] Unregister the MTD device and free resources + * held by the NAND device + * @mtd: MTD device structure + */ +void nand_release(struct mtd_info *mtd) +{ + mtd_device_unregister(mtd); + nand_cleanup(mtd->priv); +} EXPORT_SYMBOL_GPL(nand_release); static int __init nand_base_init(void) diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c index ee83749fb1d3..7b4278d50b45 100644 --- a/drivers/mtd/nand/orion_nand.c +++ b/drivers/mtd/nand/orion_nand.c @@ -165,7 +165,7 @@ static int __init orion_nand_probe(struct platform_device *pdev) ret = mtd_device_parse_register(mtd, NULL, &ppdata, board->parts, board->nr_parts); if (ret) { - nand_release(mtd); + nand_cleanup(nc); goto no_dev; } diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c index 83cf021b9651..8d289a882ca7 100644 --- a/drivers/mtd/nand/pasemi_nand.c +++ b/drivers/mtd/nand/pasemi_nand.c @@ -167,7 +167,7 @@ static int pasemi_nand_probe(struct platform_device *ofdev) if (mtd_device_register(pasemi_nand_mtd, NULL, 0)) { printk(KERN_ERR "pasemi_nand: Unable to register MTD device\n"); err = -ENODEV; - goto out_lpc; + goto out_cleanup_nand; } printk(KERN_INFO "PA Semi NAND flash at %08llx, control at I/O %x\n", @@ -175,6 +175,8 @@ static int pasemi_nand_probe(struct platform_device *ofdev) return 0; + out_cleanup_nand: + nand_cleanup(chip); out_lpc: release_region(lpcctl, 4); out_ior: diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c index 65b9dbbe6d6a..89c4a19b1740 100644 --- a/drivers/mtd/nand/plat_nand.c +++ b/drivers/mtd/nand/plat_nand.c @@ -102,7 +102,7 @@ static int plat_nand_probe(struct platform_device *pdev) if (!err) return err; - nand_release(&data->mtd); + nand_cleanup(&data->chip); out: if (pdata->ctrl.remove) pdata->ctrl.remove(pdev); diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c index 082b6009736d..42b2a8d90d33 100644 --- a/drivers/mtd/nand/sharpsl.c +++ b/drivers/mtd/nand/sharpsl.c @@ -189,7 +189,7 @@ static int sharpsl_nand_probe(struct platform_device *pdev) return 0; err_add: - nand_release(&sharpsl->mtd); + nand_cleanup(this); err_scan: iounmap(sharpsl->io); diff --git a/drivers/mtd/nand/socrates_nand.c b/drivers/mtd/nand/socrates_nand.c index b94f53427f0f..8775111837f4 100644 --- a/drivers/mtd/nand/socrates_nand.c +++ b/drivers/mtd/nand/socrates_nand.c @@ -204,7 +204,7 @@ static int socrates_nand_probe(struct platform_device *ofdev) if (!res) return res; - nand_release(mtd); + nand_cleanup(nand_chip); out: iounmap(host->io_base); diff --git a/drivers/mtd/nand/tmio_nand.c b/drivers/mtd/nand/tmio_nand.c index befddf0776e4..d8c6c09917ad 100644 --- a/drivers/mtd/nand/tmio_nand.c +++ b/drivers/mtd/nand/tmio_nand.c @@ -445,7 +445,7 @@ static int tmio_probe(struct platform_device *dev) if (!retval) return retval; - nand_release(mtd); + nand_cleanup(nand_chip); err_irq: tmio_hw_stop(dev, tmio); diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index f4b3ce2b2bc3..2ae0bc3d02f9 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -1460,6 +1460,19 @@ int ubi_thread(void *u) !ubi->thread_enabled || ubi_dbg_is_bgt_disabled(ubi)) { set_current_state(TASK_INTERRUPTIBLE); spin_unlock(&ubi->wl_lock); + + /* + * Check kthread_should_stop() after we set the task + * state to guarantee that we either see the stop bit + * and exit or the task state is reset to runnable such + * that it's not scheduled out indefinitely and detects + * the stop bit at kthread_should_stop(). + */ + if (kthread_should_stop()) { + set_current_state(TASK_RUNNING); + break; + } + schedule(); continue; } diff --git a/drivers/net/appletalk/cops.c b/drivers/net/appletalk/cops.c index 7f2a032c354c..841a5de58c7c 100644 --- a/drivers/net/appletalk/cops.c +++ b/drivers/net/appletalk/cops.c @@ -324,6 +324,8 @@ static int __init cops_probe1(struct net_device *dev, int ioaddr) break; } + dev->base_addr = ioaddr; + /* Reserve any actual interrupt. */ if (dev->irq) { retval = request_irq(dev->irq, cops_interrupt, 0, dev->name, dev); @@ -331,8 +333,6 @@ static int __init cops_probe1(struct net_device *dev, int ioaddr) goto err_out; } - dev->base_addr = ioaddr; - lp = netdev_priv(dev); spin_lock_init(&lp->lock); diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index aaf75d5e6e48..d6363ae22052 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1132,6 +1132,7 @@ static void bond_setup_by_slave(struct net_device *bond_dev, bond_dev->type = slave_dev->type; bond_dev->hard_header_len = slave_dev->hard_header_len; + bond_dev->needed_headroom = slave_dev->needed_headroom; bond_dev->addr_len = slave_dev->addr_len; memcpy(bond_dev->broadcast, slave_dev->broadcast, @@ -1224,7 +1225,39 @@ static void bond_upper_dev_unlink(struct net_device *bond_dev, rtmsg_ifinfo(RTM_NEWLINK, slave_dev, IFF_SLAVE, GFP_KERNEL); } -static struct slave *bond_alloc_slave(struct bonding *bond) +static void slave_kobj_release(struct kobject *kobj) +{ + struct slave *slave = to_slave(kobj); + struct bonding *bond = bond_get_bond_by_slave(slave); + + cancel_delayed_work_sync(&slave->notify_work); + if (BOND_MODE(bond) == BOND_MODE_8023AD) + kfree(SLAVE_AD_INFO(slave)); + + kfree(slave); +} + +static struct kobj_type slave_ktype = { + .release = slave_kobj_release, +#ifdef CONFIG_SYSFS + .sysfs_ops = &slave_sysfs_ops, +#endif +}; + +static int bond_kobj_init(struct slave *slave) +{ + int err; + + err = kobject_init_and_add(&slave->kobj, &slave_ktype, + &(slave->dev->dev.kobj), "bonding_slave"); + if (err) + kobject_put(&slave->kobj); + + return err; +} + +static struct slave *bond_alloc_slave(struct bonding *bond, + struct net_device *slave_dev) { struct slave *slave = NULL; @@ -1232,30 +1265,25 @@ static struct slave *bond_alloc_slave(struct bonding *bond) if (!slave) return NULL; + slave->bond = bond; + slave->dev = slave_dev; + INIT_DELAYED_WORK(&slave->notify_work, bond_netdev_notify_work); + + if (bond_kobj_init(slave)) + return NULL; + if (BOND_MODE(bond) == BOND_MODE_8023AD) { SLAVE_AD_INFO(slave) = kzalloc(sizeof(struct ad_slave_info), GFP_KERNEL); if (!SLAVE_AD_INFO(slave)) { - kfree(slave); + kobject_put(&slave->kobj); return NULL; } } - INIT_DELAYED_WORK(&slave->notify_work, bond_netdev_notify_work); return slave; } -static void bond_free_slave(struct slave *slave) -{ - struct bonding *bond = bond_get_bond_by_slave(slave); - - cancel_delayed_work_sync(&slave->notify_work); - if (BOND_MODE(bond) == BOND_MODE_8023AD) - kfree(SLAVE_AD_INFO(slave)); - - kfree(slave); -} - static void bond_fill_ifbond(struct bonding *bond, struct ifbond *info) { info->bond_mode = BOND_MODE(bond); @@ -1419,14 +1447,12 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) bond->dev->addr_assign_type == NET_ADDR_RANDOM) bond_set_dev_addr(bond->dev, slave_dev); - new_slave = bond_alloc_slave(bond); + new_slave = bond_alloc_slave(bond, slave_dev); if (!new_slave) { res = -ENOMEM; goto err_undo_flags; } - new_slave->bond = bond; - new_slave->dev = slave_dev; /* Set the new_slave's queue_id to be zero. Queue ID mapping * is set via sysfs or module option if desired. */ @@ -1740,7 +1766,7 @@ err_restore_mtu: dev_set_mtu(slave_dev, new_slave->original_mtu); err_free: - bond_free_slave(new_slave); + kobject_put(&new_slave->kobj); err_undo_flags: /* Enslave of first slave has failed and we need to fix master's mac */ @@ -1919,7 +1945,7 @@ static int __bond_release_one(struct net_device *bond_dev, if (!netif_is_bond_master(slave_dev)) slave_dev->priv_flags &= ~IFF_BONDING; - bond_free_slave(slave); + kobject_put(&slave->kobj); return 0; } diff --git a/drivers/net/bonding/bond_sysfs_slave.c b/drivers/net/bonding/bond_sysfs_slave.c index 3f756fa2f603..68bbac4715c3 100644 --- a/drivers/net/bonding/bond_sysfs_slave.c +++ b/drivers/net/bonding/bond_sysfs_slave.c @@ -125,7 +125,6 @@ static const struct slave_attribute *slave_attrs[] = { }; #define to_slave_attr(_at) container_of(_at, struct slave_attribute, attr) -#define to_slave(obj) container_of(obj, struct slave, kobj) static ssize_t slave_show(struct kobject *kobj, struct attribute *attr, char *buf) @@ -136,28 +135,15 @@ static ssize_t slave_show(struct kobject *kobj, return slave_attr->show(slave, buf); } -static const struct sysfs_ops slave_sysfs_ops = { +const struct sysfs_ops slave_sysfs_ops = { .show = slave_show, }; -static struct kobj_type slave_ktype = { -#ifdef CONFIG_SYSFS - .sysfs_ops = &slave_sysfs_ops, -#endif -}; - int bond_sysfs_slave_add(struct slave *slave) { const struct slave_attribute **a; int err; - err = kobject_init_and_add(&slave->kobj, &slave_ktype, - &(slave->dev->dev.kobj), "bonding_slave"); - if (err) { - kobject_put(&slave->kobj); - return err; - } - for (a = slave_attrs; *a; ++a) { err = sysfs_create_file(&slave->kobj, &((*a)->attr)); if (err) { @@ -175,6 +161,4 @@ void bond_sysfs_slave_del(struct slave *slave) for (a = slave_attrs; *a; ++a) sysfs_remove_file(&slave->kobj, &((*a)->attr)); - - kobject_put(&slave->kobj); } diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c index c2dea4916e5d..1243c2e5a86a 100644 --- a/drivers/net/caif/caif_serial.c +++ b/drivers/net/caif/caif_serial.c @@ -281,7 +281,6 @@ static int caif_xmit(struct sk_buff *skb, struct net_device *dev) { struct ser_device *ser; - BUG_ON(dev == NULL); ser = netdev_priv(dev); /* Send flow off once, on high water mark */ @@ -363,6 +362,7 @@ static int ldisc_open(struct tty_struct *tty) rtnl_lock(); result = register_netdevice(dev); if (result) { + tty_kref_put(tty); rtnl_unlock(); free_netdev(dev); return -ENODEV; diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index 4ead5a18b794..c41ab2cb272e 100644 --- a/drivers/net/can/c_can/c_can.c +++ b/drivers/net/can/c_can/c_can.c @@ -212,18 +212,6 @@ static const struct can_bittiming_const c_can_bittiming_const = { .brp_inc = 1, }; -static inline void c_can_pm_runtime_enable(const struct c_can_priv *priv) -{ - if (priv->device) - pm_runtime_enable(priv->device); -} - -static inline void c_can_pm_runtime_disable(const struct c_can_priv *priv) -{ - if (priv->device) - pm_runtime_disable(priv->device); -} - static inline void c_can_pm_runtime_get_sync(const struct c_can_priv *priv) { if (priv->device) @@ -1318,7 +1306,6 @@ static const struct net_device_ops c_can_netdev_ops = { int register_c_can_dev(struct net_device *dev) { - struct c_can_priv *priv = netdev_priv(dev); int err; /* Deactivate pins to prevent DRA7 DCAN IP from being @@ -1328,28 +1315,19 @@ int register_c_can_dev(struct net_device *dev) */ pinctrl_pm_select_sleep_state(dev->dev.parent); - c_can_pm_runtime_enable(priv); - dev->flags |= IFF_ECHO; /* we support local echo */ dev->netdev_ops = &c_can_netdev_ops; err = register_candev(dev); - if (err) - c_can_pm_runtime_disable(priv); - else + if (!err) devm_can_led_init(dev); - return err; } EXPORT_SYMBOL_GPL(register_c_can_dev); void unregister_c_can_dev(struct net_device *dev) { - struct c_can_priv *priv = netdev_priv(dev); - unregister_candev(dev); - - c_can_pm_runtime_disable(priv); } EXPORT_SYMBOL_GPL(unregister_c_can_dev); diff --git a/drivers/net/can/c_can/c_can_pci.c b/drivers/net/can/c_can/c_can_pci.c index d065c0e2d18e..f3e0b2124a37 100644 --- a/drivers/net/can/c_can/c_can_pci.c +++ b/drivers/net/can/c_can/c_can_pci.c @@ -239,12 +239,13 @@ static void c_can_pci_remove(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); struct c_can_priv *priv = netdev_priv(dev); + void __iomem *addr = priv->base; unregister_c_can_dev(dev); free_c_can_dev(dev); - pci_iounmap(pdev, priv->base); + pci_iounmap(pdev, addr); pci_disable_msi(pdev); pci_clear_master(pdev); pci_release_regions(pdev); diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c index 717530eac70c..c6a03f565e3f 100644 --- a/drivers/net/can/c_can/c_can_platform.c +++ b/drivers/net/can/c_can/c_can_platform.c @@ -29,6 +29,7 @@ #include <linux/list.h> #include <linux/io.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/clk.h> #include <linux/of.h> #include <linux/of_device.h> @@ -385,6 +386,7 @@ static int c_can_plat_probe(struct platform_device *pdev) platform_set_drvdata(pdev, dev); SET_NETDEV_DEV(dev, &pdev->dev); + pm_runtime_enable(priv->device); ret = register_c_can_dev(dev); if (ret) { dev_err(&pdev->dev, "registering %s failed (err=%d)\n", @@ -397,6 +399,7 @@ static int c_can_plat_probe(struct platform_device *pdev) return 0; exit_free_device: + pm_runtime_disable(priv->device); free_c_can_dev(dev); exit: dev_err(&pdev->dev, "probe failed\n"); @@ -407,9 +410,10 @@ exit: static int c_can_plat_remove(struct platform_device *pdev) { struct net_device *dev = platform_get_drvdata(pdev); + struct c_can_priv *priv = netdev_priv(dev); unregister_c_can_dev(dev); - + pm_runtime_disable(priv->device); free_c_can_dev(dev); return 0; diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 9dd968ee792e..2835aeb11c9f 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -439,9 +439,13 @@ struct sk_buff *__can_get_echo_skb(struct net_device *dev, unsigned int idx, u8 */ struct sk_buff *skb = priv->echo_skb[idx]; struct canfd_frame *cf = (struct canfd_frame *)skb->data; - u8 len = cf->len; - *len_ptr = len; + /* get the real payload length for netdev statistics */ + if (cf->can_id & CAN_RTR_FLAG) + *len_ptr = 0; + else + *len_ptr = cf->len; + priv->echo_skb[idx] = NULL; return skb; @@ -466,7 +470,11 @@ unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx) if (!skb) return 0; - netif_rx(skb); + skb_get(skb); + if (netif_rx(skb) == NET_RX_SUCCESS) + dev_consume_skb_any(skb); + else + dev_kfree_skb_any(skb); return len; } @@ -517,11 +525,11 @@ static void can_restart(struct net_device *dev) } cf->can_id |= CAN_ERR_RESTARTED; - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx_ni(skb); + restart: netdev_dbg(dev, "restarted\n"); priv->can_stats.restarts++; @@ -979,7 +987,7 @@ static int can_fill_info(struct sk_buff *skb, const struct net_device *dev) { struct can_priv *priv = netdev_priv(dev); struct can_ctrlmode cm = {.flags = priv->ctrlmode}; - struct can_berr_counter bec; + struct can_berr_counter bec = { }; enum can_state state = priv->state; if (priv->do_get_state) @@ -1046,6 +1054,7 @@ static void can_dellink(struct net_device *dev, struct list_head *head) static struct rtnl_link_ops can_link_ops __read_mostly = { .kind = "can", + .netns_refund = true, .maxtype = IFLA_CAN_MAX, .policy = can_policy, .setup = can_setup, diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 6b866d0451b2..dcad5213eb34 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -379,11 +379,17 @@ static int flexcan_chip_disable(struct flexcan_priv *priv) static int flexcan_chip_freeze(struct flexcan_priv *priv) { struct flexcan_regs __iomem *regs = priv->regs; - unsigned int timeout = 1000 * 1000 * 10 / priv->can.bittiming.bitrate; + unsigned int timeout; + u32 bitrate = priv->can.bittiming.bitrate; u32 reg; + if (bitrate) + timeout = 1000 * 1000 * 10 / bitrate; + else + timeout = FLEXCAN_TIMEOUT_US / 10; + reg = flexcan_read(®s->mcr); - reg |= FLEXCAN_MCR_HALT; + reg |= FLEXCAN_MCR_FRZ | FLEXCAN_MCR_HALT; flexcan_write(reg, ®s->mcr); while (timeout-- && !(flexcan_read(®s->mcr) & FLEXCAN_MCR_FRZ_ACK)) @@ -1098,10 +1104,14 @@ static int register_flexcandev(struct net_device *dev) if (err) goto out_chip_disable; - /* set freeze, halt and activate FIFO, restrict register access */ + /* set freeze, halt */ + err = flexcan_chip_freeze(priv); + if (err) + goto out_chip_disable; + + /* activate FIFO, restrict register access */ reg = flexcan_read(®s->mcr); - reg |= FLEXCAN_MCR_FRZ | FLEXCAN_MCR_HALT | - FLEXCAN_MCR_FEN | FLEXCAN_MCR_SUPV; + reg |= FLEXCAN_MCR_FEN | FLEXCAN_MCR_SUPV; flexcan_write(reg, ®s->mcr); /* Currently we only support newer versions of this core diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 195f15edb32e..197c27d8f584 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -428,9 +428,6 @@ static int m_can_do_rx_poll(struct net_device *dev, int quota) } while ((rxfs & RXFS_FFL_MASK) && (quota > 0)) { - if (rxfs & RXFS_RFL) - netdev_warn(dev, "Rx FIFO 0 Message Lost\n"); - m_can_read_fifo(dev, rxfs); quota--; @@ -572,7 +569,7 @@ static int m_can_handle_state_change(struct net_device *dev, unsigned int ecr; switch (new_state) { - case CAN_STATE_ERROR_ACTIVE: + case CAN_STATE_ERROR_WARNING: /* error warning state */ priv->can.can_stats.error_warning++; priv->can.state = CAN_STATE_ERROR_WARNING; @@ -601,7 +598,7 @@ static int m_can_handle_state_change(struct net_device *dev, __m_can_get_berr_counter(dev, &bec); switch (new_state) { - case CAN_STATE_ERROR_ACTIVE: + case CAN_STATE_ERROR_WARNING: /* error warning state */ cf->can_id |= CAN_ERR_CRTL; cf->data[1] = (bec.txerr > bec.rxerr) ? diff --git a/drivers/net/can/softing/softing_main.c b/drivers/net/can/softing/softing_main.c index 7621f91a8a20..fd48770ba792 100644 --- a/drivers/net/can/softing/softing_main.c +++ b/drivers/net/can/softing/softing_main.c @@ -393,8 +393,13 @@ static int softing_netdev_open(struct net_device *ndev) /* check or determine and set bittime */ ret = open_candev(ndev); - if (!ret) - ret = softing_startstop(ndev, 1); + if (ret) + return ret; + + ret = softing_startstop(ndev, 1); + if (ret < 0) + close_candev(ndev); + return ret; } diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c index 8c47cc8dc896..620db93ab9a3 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c @@ -150,14 +150,55 @@ void peak_usb_get_ts_tv(struct peak_time_ref *time_ref, u32 ts, /* protect from getting timeval before setting now */ if (time_ref->tv_host.tv_sec > 0) { u64 delta_us; + s64 delta_ts = 0; + + /* General case: dev_ts_1 < dev_ts_2 < ts, with: + * + * - dev_ts_1 = previous sync timestamp + * - dev_ts_2 = last sync timestamp + * - ts = event timestamp + * - ts_period = known sync period (theoretical) + * ~ dev_ts2 - dev_ts1 + * *but*: + * + * - time counters wrap (see adapter->ts_used_bits) + * - sometimes, dev_ts_1 < ts < dev_ts2 + * + * "normal" case (sync time counters increase): + * must take into account case when ts wraps (tsw) + * + * < ts_period > < > + * | | | + * ---+--------+----+-------0-+--+--> + * ts_dev_1 | ts_dev_2 | + * ts tsw + */ + if (time_ref->ts_dev_1 < time_ref->ts_dev_2) { + /* case when event time (tsw) wraps */ + if (ts < time_ref->ts_dev_1) + delta_ts = BIT_ULL(time_ref->adapter->ts_used_bits); + + /* Otherwise, sync time counter (ts_dev_2) has wrapped: + * handle case when event time (tsn) hasn't. + * + * < ts_period > < > + * | | | + * ---+--------+--0-+---------+--+--> + * ts_dev_1 | ts_dev_2 | + * tsn ts + */ + } else if (time_ref->ts_dev_1 < ts) { + delta_ts = -BIT_ULL(time_ref->adapter->ts_used_bits); + } - delta_us = ts - time_ref->ts_dev_2; - if (ts < time_ref->ts_dev_2) - delta_us &= (1 << time_ref->adapter->ts_used_bits) - 1; + /* add delay between last sync and event timestamps */ + delta_ts += (signed int)(ts - time_ref->ts_dev_2); - delta_us += time_ref->ts_total; + /* add time from beginning to last sync */ + delta_ts += time_ref->ts_total; - delta_us *= time_ref->adapter->us_per_ts_scale; + /* convert ticks number into microseconds */ + delta_us = delta_ts * time_ref->adapter->us_per_ts_scale; delta_us >>= time_ref->adapter->us_per_ts_shift; *tv = time_ref->tv_host_0; @@ -841,7 +882,7 @@ static int peak_usb_create_dev(const struct peak_usb_adapter *peak_usb_adapter, if (dev->adapter->dev_set_bus) { err = dev->adapter->dev_set_bus(dev, 0); if (err) - goto lbl_unregister_candev; + goto adap_dev_free; } /* get device number early */ @@ -853,6 +894,10 @@ static int peak_usb_create_dev(const struct peak_usb_adapter *peak_usb_adapter, return 0; +adap_dev_free: + if (dev->adapter->dev_free) + dev->adapter->dev_free(dev); + lbl_unregister_candev: unregister_candev(netdev); diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c index 1b75d5304a2c..2e62cdc7ec7a 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c @@ -475,12 +475,18 @@ static int pcan_usb_fd_decode_canmsg(struct pcan_usb_fd_if *usb_if, struct pucan_msg *rx_msg) { struct pucan_rx_msg *rm = (struct pucan_rx_msg *)rx_msg; - struct peak_usb_device *dev = usb_if->dev[pucan_msg_get_channel(rm)]; - struct net_device *netdev = dev->netdev; + struct peak_usb_device *dev; + struct net_device *netdev; struct canfd_frame *cfd; struct sk_buff *skb; const u16 rx_msg_flags = le16_to_cpu(rm->flags); + if (pucan_msg_get_channel(rm) >= ARRAY_SIZE(usb_if->dev)) + return -ENOMEM; + + dev = usb_if->dev[pucan_msg_get_channel(rm)]; + netdev = dev->netdev; + if (rx_msg_flags & PUCAN_MSG_EXT_DATA_LEN) { /* CANFD frame case */ skb = alloc_canfd_skb(netdev, &cfd); @@ -527,15 +533,21 @@ static int pcan_usb_fd_decode_status(struct pcan_usb_fd_if *usb_if, struct pucan_msg *rx_msg) { struct pucan_status_msg *sm = (struct pucan_status_msg *)rx_msg; - struct peak_usb_device *dev = usb_if->dev[pucan_stmsg_get_channel(sm)]; - struct pcan_usb_fd_device *pdev = - container_of(dev, struct pcan_usb_fd_device, dev); + struct pcan_usb_fd_device *pdev; enum can_state new_state = CAN_STATE_ERROR_ACTIVE; enum can_state rx_state, tx_state; - struct net_device *netdev = dev->netdev; + struct peak_usb_device *dev; + struct net_device *netdev; struct can_frame *cf; struct sk_buff *skb; + if (pucan_stmsg_get_channel(sm) >= ARRAY_SIZE(usb_if->dev)) + return -ENOMEM; + + dev = usb_if->dev[pucan_stmsg_get_channel(sm)]; + pdev = container_of(dev, struct pcan_usb_fd_device, dev); + netdev = dev->netdev; + /* nothing should be sent while in BUS_OFF state */ if (dev->can.state == CAN_STATE_BUS_OFF) return 0; @@ -588,9 +600,14 @@ static int pcan_usb_fd_decode_error(struct pcan_usb_fd_if *usb_if, struct pucan_msg *rx_msg) { struct pucan_error_msg *er = (struct pucan_error_msg *)rx_msg; - struct peak_usb_device *dev = usb_if->dev[pucan_ermsg_get_channel(er)]; - struct pcan_usb_fd_device *pdev = - container_of(dev, struct pcan_usb_fd_device, dev); + struct pcan_usb_fd_device *pdev; + struct peak_usb_device *dev; + + if (pucan_ermsg_get_channel(er) >= ARRAY_SIZE(usb_if->dev)) + return -EINVAL; + + dev = usb_if->dev[pucan_ermsg_get_channel(er)]; + pdev = container_of(dev, struct pcan_usb_fd_device, dev); /* keep a trace of tx and rx error counters for later use */ pdev->bec.txerr = er->tx_err_cnt; @@ -604,11 +621,17 @@ static int pcan_usb_fd_decode_overrun(struct pcan_usb_fd_if *usb_if, struct pucan_msg *rx_msg) { struct pcan_ufd_ovr_msg *ov = (struct pcan_ufd_ovr_msg *)rx_msg; - struct peak_usb_device *dev = usb_if->dev[pufd_omsg_get_channel(ov)]; - struct net_device *netdev = dev->netdev; + struct peak_usb_device *dev; + struct net_device *netdev; struct can_frame *cf; struct sk_buff *skb; + if (pufd_omsg_get_channel(ov) >= ARRAY_SIZE(usb_if->dev)) + return -EINVAL; + + dev = usb_if->dev[pufd_omsg_get_channel(ov)]; + netdev = dev->netdev; + /* allocate an skb to store the error frame */ skb = alloc_can_err_skb(netdev, &cf); if (!skb) @@ -726,6 +749,9 @@ static int pcan_usb_fd_encode_msg(struct peak_usb_device *dev, u16 tx_msg_size, tx_msg_flags; u8 can_dlc; + if (cfd->len > CANFD_MAX_DLEN) + return -EINVAL; + tx_msg_size = ALIGN(sizeof(struct pucan_tx_msg) + cfd->len, 4); tx_msg->size = cpu_to_le16(tx_msg_size); tx_msg->type = cpu_to_le16(PUCAN_MSG_CAN_TX); diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 0864f05633a2..a56f4f3a5872 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -1067,8 +1067,10 @@ static u32 bcm_sf2_sw_get_phy_flags(struct dsa_switch *ds, int port) * in bits 15:8 and the patch level in bits 7:0 which is exactly what * the REG_PHY_REVISION register layout is. */ - - return priv->hw_params.gphy_rev; + if (priv->int_phy_mask & BIT(port)) + return priv->hw_params.gphy_rev; + else + return 0; } static int bcm_sf2_sw_indir_rw(struct dsa_switch *ds, int op, int addr, diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index dde3cd2d4763..10dda58849c6 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -853,13 +853,13 @@ static int emac_probe(struct platform_device *pdev) db->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(db->clk)) { ret = PTR_ERR(db->clk); - goto out_iounmap; + goto out_dispose_mapping; } ret = clk_prepare_enable(db->clk); if (ret) { dev_err(&pdev->dev, "Error couldn't enable clock (%d)\n", ret); - goto out_iounmap; + goto out_dispose_mapping; } ret = sunxi_sram_claim(&pdev->dev); @@ -916,6 +916,8 @@ out_release_sram: sunxi_sram_release(&pdev->dev); out_clk_disable_unprepare: clk_disable_unprepare(db->clk); +out_dispose_mapping: + irq_dispose_mapping(ndev->irq); out_iounmap: iounmap(db->membase); out: @@ -934,6 +936,7 @@ static int emac_remove(struct platform_device *pdev) unregister_netdev(ndev); sunxi_sram_release(&pdev->dev); clk_disable_unprepare(db->clk); + irq_dispose_mapping(ndev->irq); iounmap(db->membase); free_netdev(ndev); diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c index 7ccebae9cb48..b305903c91c4 100644 --- a/drivers/net/ethernet/amd/pcnet32.c +++ b/drivers/net/ethernet/amd/pcnet32.c @@ -1493,8 +1493,7 @@ pcnet32_probe_pci(struct pci_dev *pdev, const struct pci_device_id *ent) } pci_set_master(pdev); - ioaddr = pci_resource_start(pdev, 0); - if (!ioaddr) { + if (!pci_resource_len(pdev, 0)) { if (pcnet32_debug & NETIF_MSG_PROBE) pr_err("card has no PCI IO resources, aborting\n"); return -ENODEV; @@ -1506,6 +1505,8 @@ pcnet32_probe_pci(struct pci_dev *pdev, const struct pci_device_id *ent) pr_err("architecture does not support 32bit PCI busmaster DMA\n"); return err; } + + ioaddr = pci_resource_start(pdev, 0); if (!request_region(ioaddr, PCNET32_TOTAL_SIZE, "pcnet32_probe_pci")) { if (pcnet32_debug & NETIF_MSG_PROBE) pr_err("io address range already allocated\n"); diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c index e7214edfe5b4..4db19cf5b587 100644 --- a/drivers/net/ethernet/broadcom/b44.c +++ b/drivers/net/ethernet/broadcom/b44.c @@ -2393,7 +2393,8 @@ static int b44_init_one(struct ssb_device *sdev, goto err_out_free_dev; } - if (dma_set_mask_and_coherent(sdev->dma_dev, DMA_BIT_MASK(30))) { + err = dma_set_mask_and_coherent(sdev->dma_dev, DMA_BIT_MASK(30)); + if (err) { dev_err(sdev->dev, "Required 30BIT DMA mask unsupported by the system\n"); goto err_out_powerdown; diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index 8fc3f3c137f8..1616647719ba 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -8234,9 +8234,9 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) BNX2_WR(bp, PCI_COMMAND, reg); } else if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) && !(bp->flags & BNX2_FLAG_PCIX)) { - dev_err(&pdev->dev, "5706 A1 can only be used in a PCIX bus, aborting\n"); + rc = -EPERM; goto err_out_unmap; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index 55a7774e8ef5..92c965cb3633 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -1245,8 +1245,10 @@ int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param, goto failed; /* SR-IOV capability was enabled but there are no VFs*/ - if (iov->total == 0) + if (iov->total == 0) { + err = -EINVAL; goto failed; + } iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 2da1c2294645..7444f17b9e05 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -4313,9 +4313,10 @@ static void bnxt_tx_disable(struct bnxt *bp) txr->dev_state = BNXT_DEV_STATE_CLOSING; } } + /* Drop carrier first to prevent TX timeout */ + netif_carrier_off(bp->dev); /* Stop all TX queues */ netif_tx_disable(bp->dev); - netif_carrier_off(bp->dev); } static void bnxt_tx_enable(struct bnxt *bp) @@ -5198,7 +5199,8 @@ static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev) if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) != 0 && dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)) != 0) { dev_err(&pdev->dev, "System does not support DMA, aborting\n"); - goto init_err_disable; + rc = -EIO; + goto init_err_release; } pci_set_master(pdev); diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index bae8df951780..3a6cebff9f42 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -3518,8 +3518,10 @@ static int bcmgenet_probe(struct platform_device *pdev) clk_disable_unprepare(priv->clk); err = register_netdev(dev); - if (err) + if (err) { + bcmgenet_mii_exit(dev); goto err; + } return err; diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 78803e7de360..d1cdb8540e12 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -1955,6 +1955,9 @@ static struct net_device_stats *gem_get_stats(struct macb *bp) struct gem_stats *hwstat = &bp->hw_stats.gem; struct net_device_stats *nstat = &bp->stats; + if (!netif_running(bp->dev)) + return nstat; + gem_update_stats(bp); nstat->rx_errors = (hwstat->rx_frame_check_sequence_errors + diff --git a/drivers/net/ethernet/cavium/liquidio/cn66xx_regs.h b/drivers/net/ethernet/cavium/liquidio/cn66xx_regs.h index 5e3aff242ad3..3ab84d18ad3a 100644 --- a/drivers/net/ethernet/cavium/liquidio/cn66xx_regs.h +++ b/drivers/net/ethernet/cavium/liquidio/cn66xx_regs.h @@ -417,7 +417,7 @@ | CN6XXX_INTR_M0UNWI_ERR \ | CN6XXX_INTR_M1UPB0_ERR \ | CN6XXX_INTR_M1UPWI_ERR \ - | CN6XXX_INTR_M1UPB0_ERR \ + | CN6XXX_INTR_M1UNB0_ERR \ | CN6XXX_INTR_M1UNWI_ERR \ | CN6XXX_INTR_INSTR_DB_OF_ERR \ | CN6XXX_INTR_SLIST_DB_OF_ERR \ diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index 912ee28ab58b..5da49e8b533b 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -528,7 +528,7 @@ static void nicvf_rcv_queue_config(struct nicvf *nic, struct queue_set *qs, mbx.rq.msg = NIC_MBOX_MSG_RQ_CFG; mbx.rq.qs_num = qs->vnic_id; mbx.rq.rq_num = qidx; - mbx.rq.cfg = (rq->caching << 26) | (rq->cq_qs << 19) | + mbx.rq.cfg = ((u64)rq->caching << 26) | (rq->cq_qs << 19) | (rq->cq_idx << 16) | (rq->cont_rbdr_qs << 9) | (rq->cont_qs_rbdr_idx << 8) | (rq->start_rbdr_qs << 1) | (rq->start_qs_rbdr_idx); diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge.c b/drivers/net/ethernet/chelsio/cxgb3/sge.c index e4b5b057f417..f012649891da 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb3/sge.c @@ -3111,6 +3111,7 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports, GFP_KERNEL | __GFP_COMP); if (!avail) { CH_ALERT(adapter, "free list queue 0 initialization failed\n"); + ret = -ENOMEM; goto err; } if (avail < q->fl[0].size) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c index 54d5e53e94af..ca3def824d4b 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c @@ -2263,7 +2263,7 @@ do { \ seq_printf(seq, "%-12s", s); \ for (i = 0; i < n; ++i) \ seq_printf(seq, " %16" fmt_spec, v); \ - seq_putc(seq, '\n'); \ + seq_putc(seq, '\n'); \ } while (0) #define S(s, v) S3("s", s, v) #define T3(fmt_spec, s, v) S3(fmt_spec, s, tx[i].v) diff --git a/drivers/net/ethernet/cisco/enic/enic.h b/drivers/net/ethernet/cisco/enic/enic.h index 7ba6d530b0c0..230a4157ae9d 100644 --- a/drivers/net/ethernet/cisco/enic/enic.h +++ b/drivers/net/ethernet/cisco/enic/enic.h @@ -163,6 +163,7 @@ struct enic { u16 num_vfs; #endif spinlock_t enic_api_lock; + bool enic_api_busy; struct enic_port_profile *pp; /* work queue cache line section */ diff --git a/drivers/net/ethernet/cisco/enic/enic_api.c b/drivers/net/ethernet/cisco/enic/enic_api.c index b161f24522b8..b028ea2dec2b 100644 --- a/drivers/net/ethernet/cisco/enic/enic_api.c +++ b/drivers/net/ethernet/cisco/enic/enic_api.c @@ -34,6 +34,12 @@ int enic_api_devcmd_proxy_by_index(struct net_device *netdev, int vf, struct vnic_dev *vdev = enic->vdev; spin_lock(&enic->enic_api_lock); + while (enic->enic_api_busy) { + spin_unlock(&enic->enic_api_lock); + cpu_relax(); + spin_lock(&enic->enic_api_lock); + } + spin_lock_bh(&enic->devcmd_lock); vnic_dev_cmd_proxy_by_index_start(vdev, vf); diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 3fd1cba0c7ec..5c74e55b75e5 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1938,8 +1938,6 @@ static int enic_dev_wait(struct vnic_dev *vdev, int done; int err; - BUG_ON(in_interrupt()); - err = start(vdev, arg); if (err) return err; @@ -2116,6 +2114,13 @@ static int enic_set_rss_nic_cfg(struct enic *enic) rss_hash_bits, rss_base_cpu, rss_enable); } +static void enic_set_api_busy(struct enic *enic, bool busy) +{ + spin_lock(&enic->enic_api_lock); + enic->enic_api_busy = busy; + spin_unlock(&enic->enic_api_lock); +} + static void enic_reset(struct work_struct *work) { struct enic *enic = container_of(work, struct enic, reset); @@ -2125,7 +2130,9 @@ static void enic_reset(struct work_struct *work) rtnl_lock(); - spin_lock(&enic->enic_api_lock); + /* Stop any activity from infiniband */ + enic_set_api_busy(enic, true); + enic_stop(enic->netdev); enic_dev_soft_reset(enic); enic_reset_addr_lists(enic); @@ -2133,7 +2140,10 @@ static void enic_reset(struct work_struct *work) enic_set_rss_nic_cfg(enic); enic_dev_set_ig_vlan_rewrite_mode(enic); enic_open(enic->netdev); - spin_unlock(&enic->enic_api_lock); + + /* Allow infiniband to fiddle with the device again */ + enic_set_api_busy(enic, false); + call_netdevice_notifiers(NETDEV_REBOOT, enic->netdev); rtnl_unlock(); @@ -2145,7 +2155,9 @@ static void enic_tx_hang_reset(struct work_struct *work) rtnl_lock(); - spin_lock(&enic->enic_api_lock); + /* Stop any activity from infiniband */ + enic_set_api_busy(enic, true); + enic_dev_hang_notify(enic); enic_stop(enic->netdev); enic_dev_hang_reset(enic); @@ -2154,7 +2166,10 @@ static void enic_tx_hang_reset(struct work_struct *work) enic_set_rss_nic_cfg(enic); enic_dev_set_ig_vlan_rewrite_mode(enic); enic_open(enic->netdev); - spin_unlock(&enic->enic_api_lock); + + /* Allow infiniband to fiddle with the device again */ + enic_set_api_busy(enic, false); + call_netdevice_notifiers(NETDEV_REBOOT, enic->netdev); rtnl_unlock(); diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c index cf94b72dbacd..b8d82f32b2db 100644 --- a/drivers/net/ethernet/davicom/dm9000.c +++ b/drivers/net/ethernet/davicom/dm9000.c @@ -144,6 +144,8 @@ struct board_info { u32 wake_state; int ip_summed; + + struct regulator *power_supply; }; /* debug code */ @@ -1462,7 +1464,7 @@ dm9000_probe(struct platform_device *pdev) if (ret) { dev_err(dev, "failed to request reset gpio %d: %d\n", reset_gpios, ret); - return -ENODEV; + goto out_regulator_disable; } /* According to manual PWRST# Low Period Min 1ms */ @@ -1474,14 +1476,18 @@ dm9000_probe(struct platform_device *pdev) if (!pdata) { pdata = dm9000_parse_dt(&pdev->dev); - if (IS_ERR(pdata)) - return PTR_ERR(pdata); + if (IS_ERR(pdata)) { + ret = PTR_ERR(pdata); + goto out_regulator_disable; + } } /* Init network device */ ndev = alloc_etherdev(sizeof(struct board_info)); - if (!ndev) - return -ENOMEM; + if (!ndev) { + ret = -ENOMEM; + goto out_regulator_disable; + } SET_NETDEV_DEV(ndev, &pdev->dev); @@ -1492,6 +1498,8 @@ dm9000_probe(struct platform_device *pdev) db->dev = &pdev->dev; db->ndev = ndev; + if (!IS_ERR(power)) + db->power_supply = power; spin_lock_init(&db->lock); mutex_init(&db->addr_lock); @@ -1710,6 +1718,10 @@ out: dm9000_release_board(pdev, db); free_netdev(ndev); +out_regulator_disable: + if (!IS_ERR(power)) + regulator_disable(power); + return ret; } @@ -1769,10 +1781,13 @@ static int dm9000_drv_remove(struct platform_device *pdev) { struct net_device *ndev = platform_get_drvdata(pdev); + struct board_info *dm = to_dm9000_board(ndev); unregister_netdev(ndev); - dm9000_release_board(pdev, netdev_priv(ndev)); + dm9000_release_board(pdev, dm); free_netdev(ndev); /* free device structure */ + if (dm->power_supply) + regulator_disable(dm->power_supply); dev_dbg(&pdev->dev, "released and freed device\n"); return 0; diff --git a/drivers/net/ethernet/dec/tulip/de2104x.c b/drivers/net/ethernet/dec/tulip/de2104x.c index cadcee645f74..11ce50a05799 100644 --- a/drivers/net/ethernet/dec/tulip/de2104x.c +++ b/drivers/net/ethernet/dec/tulip/de2104x.c @@ -91,7 +91,7 @@ MODULE_PARM_DESC (rx_copybreak, "de2104x Breakpoint at which Rx packets are copi #define DSL CONFIG_DE2104X_DSL #endif -#define DE_RX_RING_SIZE 64 +#define DE_RX_RING_SIZE 128 #define DE_TX_RING_SIZE 64 #define DE_RING_BYTES \ ((sizeof(struct de_desc) * DE_RX_RING_SIZE) + \ diff --git a/drivers/net/ethernet/ec_bhf.c b/drivers/net/ethernet/ec_bhf.c index f7b42483921c..0ade0c6d81ee 100644 --- a/drivers/net/ethernet/ec_bhf.c +++ b/drivers/net/ethernet/ec_bhf.c @@ -589,10 +589,12 @@ static void ec_bhf_remove(struct pci_dev *dev) struct ec_bhf_priv *priv = netdev_priv(net_dev); unregister_netdev(net_dev); - free_netdev(net_dev); pci_iounmap(dev, priv->dma_io); pci_iounmap(dev, priv->io); + + free_netdev(net_dev); + pci_release_regions(dev); pci_clear_master(dev); pci_disable_device(dev); diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 7cd39324106d..398b9bd09400 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -5878,6 +5878,7 @@ drv_cleanup: unmap_bars: be_unmap_pci_bars(adapter); free_netdev: + pci_disable_pcie_error_reporting(pdev); free_netdev(netdev); rel_reg: pci_release_regions(pdev); diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c index f9e74461bdc0..031d4b3a544c 100644 --- a/drivers/net/ethernet/freescale/fec_ptp.c +++ b/drivers/net/ethernet/freescale/fec_ptp.c @@ -396,9 +396,16 @@ static int fec_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts) u64 ns; unsigned long flags; + mutex_lock(&adapter->ptp_clk_mutex); + /* Check the ptp clock */ + if (!adapter->ptp_clk_on) { + mutex_unlock(&adapter->ptp_clk_mutex); + return -EINVAL; + } spin_lock_irqsave(&adapter->tmreg_lock, flags); ns = timecounter_read(&adapter->tc); spin_unlock_irqrestore(&adapter->tmreg_lock, flags); + mutex_unlock(&adapter->ptp_clk_mutex); *ts = ns_to_timespec64(ns); @@ -579,6 +586,10 @@ void fec_ptp_init(struct platform_device *pdev) fep->ptp_caps.enable = fec_ptp_enable; fep->cycle_speed = clk_get_rate(fep->clk_ptp); + if (!fep->cycle_speed) { + fep->cycle_speed = NSEC_PER_SEC; + dev_err(&fep->pdev->dev, "clk_ptp clock rate is zero\n"); + } fep->ptp_inc = NSEC_PER_SEC / fep->cycle_speed; spin_lock_init(&fep->tmreg_lock); diff --git a/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c b/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c index 68a428de0bc0..cfae74d8e659 100644 --- a/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c +++ b/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c @@ -231,3 +231,4 @@ static struct platform_driver fs_enet_bb_mdio_driver = { }; module_platform_driver(fs_enet_bb_mdio_driver); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/freescale/fs_enet/mii-fec.c b/drivers/net/ethernet/freescale/fs_enet/mii-fec.c index 2be383e6d258..3b6232a6a56d 100644 --- a/drivers/net/ethernet/freescale/fs_enet/mii-fec.c +++ b/drivers/net/ethernet/freescale/fs_enet/mii-fec.c @@ -232,3 +232,4 @@ static struct platform_driver fs_enet_fec_mdio_driver = { }; module_platform_driver(fs_enet_fec_mdio_driver); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 96310e2ee545..fb135797688a 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -485,7 +485,11 @@ static struct net_device_stats *gfar_get_stats(struct net_device *dev) static int gfar_set_mac_addr(struct net_device *dev, void *p) { - eth_mac_addr(dev, p); + int ret; + + ret = eth_mac_addr(dev, p); + if (ret) + return ret; gfar_set_mac_for_addr(dev, 0, dev->dev_addr); @@ -1385,7 +1389,7 @@ static int gfar_probe(struct platform_device *ofdev) if (dev->features & NETIF_F_IP_CSUM || priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER) - dev->needed_headroom = GMAC_FCB_LEN; + dev->needed_headroom = GMAC_FCB_LEN + GMAC_TXPAL_LEN; /* Initializing some of the rx/tx queue level parameters */ for (i = 0; i < priv->num_tx_queues; i++) { @@ -2353,20 +2357,12 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) fcb_len = GMAC_FCB_LEN + GMAC_TXPAL_LEN; /* make space for additional header when fcb is needed */ - if (fcb_len && unlikely(skb_headroom(skb) < fcb_len)) { - struct sk_buff *skb_new; - - skb_new = skb_realloc_headroom(skb, fcb_len); - if (!skb_new) { + if (fcb_len) { + if (unlikely(skb_cow_head(skb, fcb_len))) { dev->stats.tx_errors++; dev_kfree_skb_any(skb); return NETDEV_TX_OK; } - - if (skb->sk) - skb_set_owner_w(skb_new, skb->sk); - dev_consume_skb_any(skb); - skb = skb_new; } /* total number of fragments in the SKB */ diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index 96a1f62cc148..faf8dfb49fb5 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -3934,10 +3934,10 @@ static int ucc_geth_remove(struct platform_device* ofdev) struct ucc_geth_private *ugeth = netdev_priv(dev); unregister_netdev(dev); - free_netdev(dev); ucc_geth_memclean(ugeth); of_node_put(ugeth->ug_info->tbi_node); of_node_put(ugeth->ug_info->phy_node); + free_netdev(dev); return 0; } diff --git a/drivers/net/ethernet/freescale/ucc_geth.h b/drivers/net/ethernet/freescale/ucc_geth.h index 75f337163ce3..1a40a5f11081 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.h +++ b/drivers/net/ethernet/freescale/ucc_geth.h @@ -580,7 +580,14 @@ struct ucc_geth_tx_global_pram { u32 vtagtable[0x8]; /* 8 4-byte VLAN tags */ u32 tqptr; /* a base pointer to the Tx Queues Memory Region */ - u8 res2[0x80 - 0x74]; + u8 res2[0x78 - 0x74]; + u64 snums_en; + u32 l2l3baseptr; /* top byte consists of a few other bit fields */ + + u16 mtu[8]; + u8 res3[0xa8 - 0x94]; + u32 wrrtablebase; /* top byte is reserved */ + u8 res4[0xc0 - 0xac]; } __packed; /* structure representing Extended Filtering Global Parameters in PRAM */ diff --git a/drivers/net/ethernet/fujitsu/fmvj18x_cs.c b/drivers/net/ethernet/fujitsu/fmvj18x_cs.c index a7139f588ad2..fb1a9bd24660 100644 --- a/drivers/net/ethernet/fujitsu/fmvj18x_cs.c +++ b/drivers/net/ethernet/fujitsu/fmvj18x_cs.c @@ -548,6 +548,11 @@ static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id) return -1; base = ioremap(link->resource[2]->start, resource_size(link->resource[2])); + if (!base) { + pcmcia_release_window(link, link->resource[2]); + return -1; + } + pcmcia_map_mem_page(link, link->resource[2], 0); /* diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c index a2f2db58b5ab..82f179b33a80 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -433,6 +433,10 @@ static void __lb_other_process(struct hns_nic_ring_data *ring_data, /* for mutl buffer*/ new_skb = skb_copy(skb, GFP_ATOMIC); dev_kfree_skb_any(skb); + if (!new_skb) { + netdev_err(ndev, "skb alloc failed\n"); + return; + } skb = new_skb; check_ok = 0; diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index b46fc37c1a94..18d17a7bba6c 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -1254,6 +1254,7 @@ static int ibmveth_poll(struct napi_struct *napi, int budget) int offset = ibmveth_rxq_frame_offset(adapter); int csum_good = ibmveth_rxq_csum_good(adapter); int lrg_pkt = ibmveth_rxq_large_packet(adapter); + __sum16 iph_check = 0; skb = ibmveth_rxq_get_buffer(adapter); @@ -1305,7 +1306,17 @@ static int ibmveth_poll(struct napi_struct *napi, int budget) } } - if (length > netdev->mtu + ETH_HLEN) { + /* PHYP without PLSO support places a -1 in the ip + * checksum for large send frames. + */ + if (skb->protocol == cpu_to_be16(ETH_P_IP)) { + struct iphdr *iph = (struct iphdr *)skb->data; + + iph_check = iph->check; + } + + if ((length > netdev->mtu + ETH_HLEN) || + lrg_pkt || iph_check == 0xffff) { ibmveth_rx_mss_helper(skb, mss, lrg_pkt); adapter->rx_large_packets++; } diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c index 5f7016442ec4..e486f351a54a 100644 --- a/drivers/net/ethernet/intel/e1000e/82571.c +++ b/drivers/net/ethernet/intel/e1000e/82571.c @@ -917,6 +917,8 @@ static s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active) } else { data &= ~IGP02E1000_PM_D0_LPLU; ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data); + if (ret_val) + return ret_val; /* LPLU and SmartSpeed are mutually exclusive. LPLU is used * during Dx states where the power conservation is most * important. During driver activity we should enable diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 3bd0bdbdfa0e..a8ee20ecb3ad 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -5875,15 +5875,19 @@ static void e1000_reset_task(struct work_struct *work) struct e1000_adapter *adapter; adapter = container_of(work, struct e1000_adapter, reset_task); + rtnl_lock(); /* don't run the task if already down */ - if (test_bit(__E1000_DOWN, &adapter->state)) + if (test_bit(__E1000_DOWN, &adapter->state)) { + rtnl_unlock(); return; + } if (!(adapter->flags & FLAG_RESTART_NOW)) { e1000e_dump(adapter); e_err("Reset adapter unexpectedly\n"); } e1000e_reinit_locked(adapter); + rtnl_unlock(); } /** diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 756c4ea17655..8bdc17658f3f 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -8148,6 +8148,7 @@ static int i40e_sw_init(struct i40e_pf *pf) { int err = 0; int size; + u16 pow; pf->msg_enable = netif_msg_init(I40E_DEFAULT_MSG_ENABLE, (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK)); @@ -8182,6 +8183,11 @@ static int i40e_sw_init(struct i40e_pf *pf) pf->rss_table_size = pf->hw.func_caps.rss_table_size; pf->rss_size_max = min_t(int, pf->rss_size_max, pf->hw.func_caps.num_tx_qp); + + /* find the next higher power-of-2 of num cpus */ + pow = roundup_pow_of_two(num_online_cpus()); + pf->rss_size_max = min_t(int, pf->rss_size_max, pow); + if (pf->hw.func_caps.rss) { pf->flags |= I40E_FLAG_RSS_ENABLED; pf->rss_size = min_t(int, pf->rss_size_max, num_online_cpus()); diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index cdb263875efb..b4b4d46da173 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -188,7 +188,7 @@ static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u16 vsi_id) * check for the valid queue id **/ static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id, - u8 qid) + u16 qid) { struct i40e_pf *pf = vf->pf; struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id); @@ -203,7 +203,7 @@ static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id, * * check for the valid vector id **/ -static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u8 vector_id) +static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u32 vector_id) { struct i40e_pf *pf = vf->pf; diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index a4aa4d10ca70..682f52760898 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -5421,8 +5421,6 @@ static void igb_tsync_interrupt(struct igb_adapter *adapter) event.type = PTP_CLOCK_PPS; if (adapter->ptp_caps.pps) ptp_clock_event(adapter->ptp_clock, &event); - else - dev_err(&adapter->pdev->dev, "unexpected SYS WRAP"); ack |= TSINTR_SYS_WRAP; } diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c index 07eabf72c480..88f5c45d9eef 100644 --- a/drivers/net/ethernet/korina.c +++ b/drivers/net/ethernet/korina.c @@ -216,7 +216,7 @@ static int korina_send_packet(struct sk_buff *skb, struct net_device *dev) dev_kfree_skb_any(skb); spin_unlock_irqrestore(&lp->lock, flags); - return NETDEV_TX_BUSY; + return NETDEV_TX_OK; } } @@ -1188,7 +1188,7 @@ out: return rc; probe_err_register: - kfree(lp->td_ring); + kfree((struct dma_desc *)KSEG0ADDR(lp->td_ring)); probe_err_td_ring: iounmap(lp->tx_dma_regs); probe_err_dma_tx: @@ -1208,6 +1208,7 @@ static int korina_remove(struct platform_device *pdev) iounmap(lp->eth_regs); iounmap(lp->rx_dma_regs); iounmap(lp->tx_dma_regs); + kfree((struct dma_desc *)KSEG0ADDR(lp->td_ring)); unregister_netdev(bif->dev); free_netdev(bif->dev); diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c index 7ace07dad6a3..9986f88618bd 100644 --- a/drivers/net/ethernet/marvell/pxa168_eth.c +++ b/drivers/net/ethernet/marvell/pxa168_eth.c @@ -1577,8 +1577,8 @@ static int pxa168_eth_remove(struct platform_device *pdev) mdiobus_unregister(pep->smi_bus); mdiobus_free(pep->smi_bus); - unregister_netdev(dev); cancel_work_sync(&pep->tx_timeout_task); + unregister_netdev(dev); free_netdev(dev); return 0; } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index b52491f09a4d..b3232a9ec311 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -47,7 +47,7 @@ #define EN_ETHTOOL_SHORT_MASK cpu_to_be16(0xffff) #define EN_ETHTOOL_WORD_MASK cpu_to_be32(0xffffffff) -static int mlx4_en_moderation_update(struct mlx4_en_priv *priv) +int mlx4_en_moderation_update(struct mlx4_en_priv *priv) { int i; int err = 0; @@ -1907,8 +1907,6 @@ static int mlx4_en_set_tunable(struct net_device *dev, return ret; } -#define MLX4_EEPROM_PAGE_LEN 256 - static int mlx4_en_get_module_info(struct net_device *dev, struct ethtool_modinfo *modinfo) { @@ -1943,7 +1941,7 @@ static int mlx4_en_get_module_info(struct net_device *dev, break; case MLX4_MODULE_ID_SFP: modinfo->type = ETH_MODULE_SFF_8472; - modinfo->eeprom_len = MLX4_EEPROM_PAGE_LEN; + modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; break; default: return -ENOSYS; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 7d61a5de9d5a..112ce16717cd 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1313,8 +1313,10 @@ static void mlx4_en_tx_timeout(struct net_device *dev) } priv->port_stats.tx_timeout++; - en_dbg(DRV, priv, "Scheduling watchdog\n"); - queue_work(mdev->workqueue, &priv->watchdog_task); + if (!test_and_set_bit(MLX4_EN_STATE_FLAG_RESTARTING, &priv->state)) { + en_dbg(DRV, priv, "Scheduling port restart\n"); + queue_work(mdev->workqueue, &priv->restart_task); + } } @@ -1730,6 +1732,7 @@ int mlx4_en_start_port(struct net_device *dev) local_bh_enable(); } + clear_bit(MLX4_EN_STATE_FLAG_RESTARTING, &priv->state); netif_tx_start_all_queues(dev); netif_device_attach(dev); @@ -1891,7 +1894,7 @@ void mlx4_en_stop_port(struct net_device *dev, int detach) static void mlx4_en_restart(struct work_struct *work) { struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, - watchdog_task); + restart_task); struct mlx4_en_dev *mdev = priv->mdev; struct net_device *dev = priv->dev; @@ -2121,7 +2124,7 @@ static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu) if (netif_running(dev)) { mutex_lock(&mdev->state_lock); if (!mdev->device_up) { - /* NIC is probably restarting - let watchdog task reset + /* NIC is probably restarting - let restart task reset * the port */ en_dbg(DRV, priv, "Change MTU called with card down!?\n"); } else { @@ -2130,7 +2133,9 @@ static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu) if (err) { en_err(priv, "Failed restarting port:%d\n", priv->port); - queue_work(mdev->workqueue, &priv->watchdog_task); + if (!test_and_set_bit(MLX4_EN_STATE_FLAG_RESTARTING, + &priv->state)) + queue_work(mdev->workqueue, &priv->restart_task); } } mutex_unlock(&mdev->state_lock); @@ -2850,7 +2855,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, priv->counter_index = MLX4_SINK_COUNTER_INDEX(mdev->dev); spin_lock_init(&priv->stats_lock); INIT_WORK(&priv->rx_mode_task, mlx4_en_do_set_rx_mode); - INIT_WORK(&priv->watchdog_task, mlx4_en_restart); + INIT_WORK(&priv->restart_task, mlx4_en_restart); INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate); INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats); INIT_DELAYED_WORK(&priv->service_task, mlx4_en_service_task); @@ -3183,6 +3188,8 @@ int mlx4_en_reset_config(struct net_device *dev, en_err(priv, "Failed starting port\n"); } + if (!err) + err = mlx4_en_moderation_update(priv); out: mutex_unlock(&mdev->state_lock); netdev_features_change(dev); diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 0a4e9731d33b..b6ae4b17555b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -1711,14 +1711,14 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param) #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77) #define INIT_HCA_MCAST_OFFSET 0x0c0 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00) -#define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12) -#define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16) +#define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x13) +#define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x17) #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18) #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b) #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6 #define INIT_HCA_FS_PARAM_OFFSET 0x1d0 #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00) -#define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12) +#define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x13) #define INIT_HCA_FS_A0_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x18) #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b) #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21) diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.h b/drivers/net/ethernet/mellanox/mlx4/fw.h index 074631be342b..8f04c26da36e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.h +++ b/drivers/net/ethernet/mellanox/mlx4/fw.h @@ -184,8 +184,8 @@ struct mlx4_init_hca_param { u64 cmpt_base; u64 mtt_base; u64 global_caps; - u16 log_mc_entry_sz; - u16 log_mc_hash_sz; + u8 log_mc_entry_sz; + u8 log_mc_hash_sz; u16 hca_core_clock; /* Internal Clock Frequency (in MHz) */ u8 log_num_qps; u8 log_num_srqs; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 607daaffae98..b6cd733791a8 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -495,6 +495,10 @@ struct mlx4_en_stats_bitmap { struct mutex mutex; /* for mutual access to stats bitmap */ }; +enum { + MLX4_EN_STATE_FLAG_RESTARTING, +}; + struct mlx4_en_priv { struct mlx4_en_dev *mdev; struct mlx4_en_port_profile *prof; @@ -560,7 +564,7 @@ struct mlx4_en_priv { struct mlx4_en_cq *rx_cq[MAX_RX_RINGS]; struct mlx4_qp drop_qp; struct work_struct rx_mode_task; - struct work_struct watchdog_task; + struct work_struct restart_task; struct work_struct linkstate_task; struct delayed_work stats_task; struct delayed_work service_task; @@ -605,6 +609,7 @@ struct mlx4_en_priv { u32 pflags; u8 rss_key[MLX4_EN_RSS_KEY_SIZE]; u8 rss_hash_fn; + unsigned long state; }; enum mlx4_en_wol { @@ -834,6 +839,7 @@ void mlx4_en_ptp_overflow_check(struct mlx4_en_dev *mdev); #define DEV_FEATURE_CHANGED(dev, new_features, feature) \ ((dev->features & feature) ^ (new_features & feature)) +int mlx4_en_moderation_update(struct mlx4_en_priv *priv); int mlx4_en_reset_config(struct net_device *dev, struct hwtstamp_config ts_config, netdev_features_t new_features); diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index d764081ef675..519dafeb5b0b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -1283,6 +1283,7 @@ EXPORT_SYMBOL(mlx4_get_roce_gid_from_slave); #define I2C_ADDR_LOW 0x50 #define I2C_ADDR_HIGH 0x51 #define I2C_PAGE_SIZE 256 +#define I2C_HIGH_PAGE_SIZE 128 /* Module Info Data */ struct mlx4_cable_info { @@ -1336,6 +1337,88 @@ static inline const char *cable_info_mad_err_str(u16 mad_status) return "Unknown Error"; } +static int mlx4_get_module_id(struct mlx4_dev *dev, u8 port, u8 *module_id) +{ + struct mlx4_cmd_mailbox *inbox, *outbox; + struct mlx4_mad_ifc *inmad, *outmad; + struct mlx4_cable_info *cable_info; + int ret; + + inbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(inbox)) + return PTR_ERR(inbox); + + outbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(outbox)) { + mlx4_free_cmd_mailbox(dev, inbox); + return PTR_ERR(outbox); + } + + inmad = (struct mlx4_mad_ifc *)(inbox->buf); + outmad = (struct mlx4_mad_ifc *)(outbox->buf); + + inmad->method = 0x1; /* Get */ + inmad->class_version = 0x1; + inmad->mgmt_class = 0x1; + inmad->base_version = 0x1; + inmad->attr_id = cpu_to_be16(0xFF60); /* Module Info */ + + cable_info = (struct mlx4_cable_info *)inmad->data; + cable_info->dev_mem_address = 0; + cable_info->page_num = 0; + cable_info->i2c_addr = I2C_ADDR_LOW; + cable_info->size = cpu_to_be16(1); + + ret = mlx4_cmd_box(dev, inbox->dma, outbox->dma, port, 3, + MLX4_CMD_MAD_IFC, MLX4_CMD_TIME_CLASS_C, + MLX4_CMD_NATIVE); + if (ret) + goto out; + + if (be16_to_cpu(outmad->status)) { + /* Mad returned with bad status */ + ret = be16_to_cpu(outmad->status); + mlx4_warn(dev, + "MLX4_CMD_MAD_IFC Get Module ID attr(%x) port(%d) i2c_addr(%x) offset(%d) size(%d): Response Mad Status(%x) - %s\n", + 0xFF60, port, I2C_ADDR_LOW, 0, 1, ret, + cable_info_mad_err_str(ret)); + ret = -ret; + goto out; + } + cable_info = (struct mlx4_cable_info *)outmad->data; + *module_id = cable_info->data[0]; +out: + mlx4_free_cmd_mailbox(dev, inbox); + mlx4_free_cmd_mailbox(dev, outbox); + return ret; +} + +static void mlx4_sfp_eeprom_params_set(u8 *i2c_addr, u8 *page_num, u16 *offset) +{ + *i2c_addr = I2C_ADDR_LOW; + *page_num = 0; + + if (*offset < I2C_PAGE_SIZE) + return; + + *i2c_addr = I2C_ADDR_HIGH; + *offset -= I2C_PAGE_SIZE; +} + +static void mlx4_qsfp_eeprom_params_set(u8 *i2c_addr, u8 *page_num, u16 *offset) +{ + /* Offsets 0-255 belong to page 0. + * Offsets 256-639 belong to pages 01, 02, 03. + * For example, offset 400 is page 02: 1 + (400 - 256) / 128 = 2 + */ + if (*offset < I2C_PAGE_SIZE) + *page_num = 0; + else + *page_num = 1 + (*offset - I2C_PAGE_SIZE) / I2C_HIGH_PAGE_SIZE; + *i2c_addr = I2C_ADDR_LOW; + *offset -= *page_num * I2C_HIGH_PAGE_SIZE; +} + /** * mlx4_get_module_info - Read cable module eeprom data * @dev: mlx4_dev. @@ -1355,12 +1438,30 @@ int mlx4_get_module_info(struct mlx4_dev *dev, u8 port, struct mlx4_cmd_mailbox *inbox, *outbox; struct mlx4_mad_ifc *inmad, *outmad; struct mlx4_cable_info *cable_info; - u16 i2c_addr; + u8 module_id, i2c_addr, page_num; int ret; if (size > MODULE_INFO_MAX_READ) size = MODULE_INFO_MAX_READ; + ret = mlx4_get_module_id(dev, port, &module_id); + if (ret) + return ret; + + switch (module_id) { + case MLX4_MODULE_ID_SFP: + mlx4_sfp_eeprom_params_set(&i2c_addr, &page_num, &offset); + break; + case MLX4_MODULE_ID_QSFP: + case MLX4_MODULE_ID_QSFP_PLUS: + case MLX4_MODULE_ID_QSFP28: + mlx4_qsfp_eeprom_params_set(&i2c_addr, &page_num, &offset); + break; + default: + mlx4_err(dev, "Module ID not recognized: %#x\n", module_id); + return -EINVAL; + } + inbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(inbox)) return PTR_ERR(inbox); @@ -1386,11 +1487,9 @@ int mlx4_get_module_info(struct mlx4_dev *dev, u8 port, */ size -= offset + size - I2C_PAGE_SIZE; - i2c_addr = I2C_ADDR_LOW; - cable_info = (struct mlx4_cable_info *)inmad->data; cable_info->dev_mem_address = cpu_to_be16(offset); - cable_info->page_num = 0; + cable_info->page_num = page_num; cable_info->i2c_addr = i2c_addr; cable_info->size = cpu_to_be16(size); diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index 8ebf3611aba3..9ecb99a1de35 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -4051,6 +4051,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent) dev_err(&pdev->dev, "invalid sram_size %dB or board span %ldB\n", mgp->sram_size, mgp->board_span); + status = -EINVAL; goto abort_with_ioremap; } memcpy_fromio(mgp->eeprom_strings, diff --git a/drivers/net/ethernet/pasemi/pasemi_mac.c b/drivers/net/ethernet/pasemi/pasemi_mac.c index 48106953cf64..56326a56068b 100644 --- a/drivers/net/ethernet/pasemi/pasemi_mac.c +++ b/drivers/net/ethernet/pasemi/pasemi_mac.c @@ -1129,16 +1129,20 @@ static int pasemi_mac_open(struct net_device *dev) mac->tx = pasemi_mac_setup_tx_resources(dev); - if (!mac->tx) + if (!mac->tx) { + ret = -ENOMEM; goto out_tx_ring; + } /* We might already have allocated rings in case mtu was changed * before interface was brought up. */ if (dev->mtu > 1500 && !mac->num_cs) { pasemi_mac_setup_csrings(mac); - if (!mac->num_cs) + if (!mac->num_cs) { + ret = -ENOMEM; goto out_tx_ring; + } } /* Zero out rmon counters */ diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c index 6409a06bbdf6..f89441f9bd8d 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c @@ -586,11 +586,6 @@ static const struct net_device_ops netxen_netdev_ops = { #endif }; -static inline bool netxen_function_zero(struct pci_dev *pdev) -{ - return (PCI_FUNC(pdev->devfn) == 0) ? true : false; -} - static inline void netxen_set_interrupt_mode(struct netxen_adapter *adapter, u32 mode) { @@ -686,7 +681,7 @@ static int netxen_setup_intr(struct netxen_adapter *adapter) netxen_initialize_interrupt_registers(adapter); netxen_set_msix_bit(pdev, 0); - if (netxen_function_zero(pdev)) { + if (adapter->portnum == 0) { if (!netxen_setup_msi_interrupts(adapter, num_msix)) netxen_set_interrupt_mode(adapter, NETXEN_MSI_MODE); else @@ -1621,6 +1616,8 @@ err_out_free_netdev: free_netdev(netdev); err_out_free_res: + if (NX_IS_REVISION_P3(pdev->revision)) + pci_disable_pcie_error_reporting(pdev); pci_release_regions(pdev); err_out_disable_pdev: diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index f2cb77c3b199..192950a112c9 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -115,7 +115,7 @@ static int ql_sem_spinlock(struct ql3_adapter *qdev, value = readl(&port_regs->CommonRegs.semaphoreReg); if ((value & (sem_mask >> 16)) == sem_bits) return 0; - ssleep(1); + mdelay(1000); } while (--seconds); return -1; } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c index 083aeca77c75..b0f51ff9e5b3 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c @@ -2255,7 +2255,8 @@ static int qlcnic_83xx_restart_hw(struct qlcnic_adapter *adapter) /* Boot either flash image or firmware image from host file system */ if (qlcnic_load_fw_file == 1) { - if (qlcnic_83xx_load_fw_image_from_host(adapter)) + err = qlcnic_83xx_load_fw_image_from_host(adapter); + if (err) return err; } else { QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c index 63ebc491057b..99fc0121da93 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c @@ -1039,7 +1039,7 @@ int qlcnic_do_lb_test(struct qlcnic_adapter *adapter, u8 mode) for (i = 0; i < QLCNIC_NUM_ILB_PKT; i++) { skb = netdev_alloc_skb(adapter->netdev, QLCNIC_ILB_PKT_SIZE); if (!skb) - break; + goto error; qlcnic_create_loopback_buff(skb->data, adapter->mac_addr); skb_put(skb, QLCNIC_ILB_PKT_SIZE); adapter->ahw->diag_cnt = 0; @@ -1063,6 +1063,7 @@ int qlcnic_do_lb_test(struct qlcnic_adapter *adapter, u8 mode) cnt++; } if (cnt != i) { +error: dev_err(&adapter->pdev->dev, "LB Test: failed, TX[%d], RX[%d]\n", i, cnt); if (mode != QLCNIC_ILB_MODE) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index 1205f6f9c941..11274b7ea36c 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -2506,6 +2506,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) qlcnic_sriov_vf_register_map(ahw); break; default: + err = -EINVAL; goto err_out_free_hw_res; } @@ -2705,6 +2706,7 @@ err_out_free_hw_res: kfree(ahw); err_out_free_res: + pci_disable_pcie_error_reporting(pdev); pci_release_regions(pdev); err_out_disable_pdev: diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c index 5174e0bd75d1..625336264a44 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c @@ -1426,6 +1426,7 @@ void qlcnic_83xx_get_minidump_template(struct qlcnic_adapter *adapter) if (fw_dump->tmpl_hdr == NULL || current_version > prev_version) { vfree(fw_dump->tmpl_hdr); + fw_dump->tmpl_hdr = NULL; if (qlcnic_83xx_md_check_extended_dump_capability(adapter)) extended = !qlcnic_83xx_extend_md_capab(adapter); @@ -1444,6 +1445,8 @@ void qlcnic_83xx_get_minidump_template(struct qlcnic_adapter *adapter) struct qlcnic_83xx_dump_template_hdr *hdr; hdr = fw_dump->tmpl_hdr; + if (!hdr) + return; hdr->drv_cap_mask = 0x1f; fw_dump->cap_mask = 0x1f; dev_info(&pdev->dev, diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 8f40e121f7d4..55b0f11bf2a0 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -2314,7 +2314,7 @@ static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data) { switch(stringset) { case ETH_SS_STATS: - memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings)); + memcpy(data, rtl8169_gstrings, sizeof(rtl8169_gstrings)); break; } } @@ -4452,6 +4452,62 @@ static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr) rtl_unlock_work(tp); } +static void rtl_init_rxcfg(struct rtl8169_private *tp) +{ + void __iomem *ioaddr = tp->mmio_addr; + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_01: + case RTL_GIGA_MAC_VER_02: + case RTL_GIGA_MAC_VER_03: + case RTL_GIGA_MAC_VER_04: + case RTL_GIGA_MAC_VER_05: + case RTL_GIGA_MAC_VER_06: + case RTL_GIGA_MAC_VER_10: + case RTL_GIGA_MAC_VER_11: + case RTL_GIGA_MAC_VER_12: + case RTL_GIGA_MAC_VER_13: + case RTL_GIGA_MAC_VER_14: + case RTL_GIGA_MAC_VER_15: + case RTL_GIGA_MAC_VER_16: + case RTL_GIGA_MAC_VER_17: + RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST); + break; + case RTL_GIGA_MAC_VER_18: + case RTL_GIGA_MAC_VER_19: + case RTL_GIGA_MAC_VER_20: + case RTL_GIGA_MAC_VER_21: + case RTL_GIGA_MAC_VER_22: + case RTL_GIGA_MAC_VER_23: + case RTL_GIGA_MAC_VER_24: + case RTL_GIGA_MAC_VER_34: + case RTL_GIGA_MAC_VER_35: + RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST); + break; + case RTL_GIGA_MAC_VER_40: + RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); + break; + case RTL_GIGA_MAC_VER_41: + case RTL_GIGA_MAC_VER_42: + case RTL_GIGA_MAC_VER_43: + case RTL_GIGA_MAC_VER_44: + case RTL_GIGA_MAC_VER_45: + case RTL_GIGA_MAC_VER_46: + case RTL_GIGA_MAC_VER_47: + case RTL_GIGA_MAC_VER_48: + RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST | RX_EARLY_OFF); + break; + case RTL_GIGA_MAC_VER_49: + case RTL_GIGA_MAC_VER_50: + case RTL_GIGA_MAC_VER_51: + RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); + break; + default: + RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST); + break; + } +} + static int rtl_set_mac_address(struct net_device *dev, void *p) { struct rtl8169_private *tp = netdev_priv(dev); @@ -4464,6 +4520,10 @@ static int rtl_set_mac_address(struct net_device *dev, void *p) rtl_rar_set(tp, dev->dev_addr); + /* Reportedly at least Asus X453MA truncates packets otherwise */ + if (tp->mac_version == RTL_GIGA_MAC_VER_37) + rtl_init_rxcfg(tp); + return 0; } @@ -4901,62 +4961,6 @@ static void rtl_init_pll_power_ops(struct rtl8169_private *tp) } } -static void rtl_init_rxcfg(struct rtl8169_private *tp) -{ - void __iomem *ioaddr = tp->mmio_addr; - - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_01: - case RTL_GIGA_MAC_VER_02: - case RTL_GIGA_MAC_VER_03: - case RTL_GIGA_MAC_VER_04: - case RTL_GIGA_MAC_VER_05: - case RTL_GIGA_MAC_VER_06: - case RTL_GIGA_MAC_VER_10: - case RTL_GIGA_MAC_VER_11: - case RTL_GIGA_MAC_VER_12: - case RTL_GIGA_MAC_VER_13: - case RTL_GIGA_MAC_VER_14: - case RTL_GIGA_MAC_VER_15: - case RTL_GIGA_MAC_VER_16: - case RTL_GIGA_MAC_VER_17: - RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST); - break; - case RTL_GIGA_MAC_VER_18: - case RTL_GIGA_MAC_VER_19: - case RTL_GIGA_MAC_VER_20: - case RTL_GIGA_MAC_VER_21: - case RTL_GIGA_MAC_VER_22: - case RTL_GIGA_MAC_VER_23: - case RTL_GIGA_MAC_VER_24: - case RTL_GIGA_MAC_VER_34: - case RTL_GIGA_MAC_VER_35: - RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST); - break; - case RTL_GIGA_MAC_VER_40: - RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); - break; - case RTL_GIGA_MAC_VER_41: - case RTL_GIGA_MAC_VER_42: - case RTL_GIGA_MAC_VER_43: - case RTL_GIGA_MAC_VER_44: - case RTL_GIGA_MAC_VER_45: - case RTL_GIGA_MAC_VER_46: - case RTL_GIGA_MAC_VER_47: - case RTL_GIGA_MAC_VER_48: - RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST | RX_EARLY_OFF); - break; - case RTL_GIGA_MAC_VER_49: - case RTL_GIGA_MAC_VER_50: - case RTL_GIGA_MAC_VER_51: - RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); - break; - default: - RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST); - break; - } -} - static void rtl8169_init_ring_indexes(struct rtl8169_private *tp) { tp->dirty_tx = tp->cur_tx = tp->cur_rx = 0; diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index d5bf0f275307..c6850287362b 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -1214,64 +1214,12 @@ static const struct ethtool_ops ravb_ethtool_ops = { .get_ts_info = ravb_get_ts_info, }; -/* MDIO bus init function */ -static int ravb_mdio_init(struct ravb_private *priv) -{ - struct platform_device *pdev = priv->pdev; - struct device *dev = &pdev->dev; - int error; - - /* Bitbang init */ - priv->mdiobb.ops = &bb_ops; - - /* MII controller setting */ - priv->mii_bus = alloc_mdio_bitbang(&priv->mdiobb); - if (!priv->mii_bus) - return -ENOMEM; - - /* Hook up MII support for ethtool */ - priv->mii_bus->name = "ravb_mii"; - priv->mii_bus->parent = dev; - snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", - pdev->name, pdev->id); - - /* Register MDIO bus */ - error = of_mdiobus_register(priv->mii_bus, dev->of_node); - if (error) - goto out_free_bus; - - return 0; - -out_free_bus: - free_mdio_bitbang(priv->mii_bus); - return error; -} - -/* MDIO bus release function */ -static int ravb_mdio_release(struct ravb_private *priv) -{ - /* Unregister mdio bus */ - mdiobus_unregister(priv->mii_bus); - - /* Free bitbang info */ - free_mdio_bitbang(priv->mii_bus); - - return 0; -} - /* Network device open function for Ethernet AVB */ static int ravb_open(struct net_device *ndev) { struct ravb_private *priv = netdev_priv(ndev); int error; - /* MDIO bus init */ - error = ravb_mdio_init(priv); - if (error) { - netdev_err(ndev, "failed to initialize MDIO\n"); - return error; - } - napi_enable(&priv->napi[RAVB_BE]); napi_enable(&priv->napi[RAVB_NC]); @@ -1320,7 +1268,6 @@ out_free_irq: out_napi_off: napi_disable(&priv->napi[RAVB_NC]); napi_disable(&priv->napi[RAVB_BE]); - ravb_mdio_release(priv); return error; } @@ -1614,8 +1561,6 @@ static int ravb_close(struct net_device *ndev) ravb_ring_free(ndev, RAVB_BE); ravb_ring_free(ndev, RAVB_NC); - ravb_mdio_release(priv); - return 0; } @@ -1627,12 +1572,16 @@ static int ravb_hwtstamp_get(struct net_device *ndev, struct ifreq *req) config.flags = 0; config.tx_type = priv->tstamp_tx_ctrl ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF; - if (priv->tstamp_rx_ctrl & RAVB_RXTSTAMP_TYPE_V2_L2_EVENT) + switch (priv->tstamp_rx_ctrl & RAVB_RXTSTAMP_TYPE) { + case RAVB_RXTSTAMP_TYPE_V2_L2_EVENT: config.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT; - else if (priv->tstamp_rx_ctrl & RAVB_RXTSTAMP_TYPE_ALL) + break; + case RAVB_RXTSTAMP_TYPE_ALL: config.rx_filter = HWTSTAMP_FILTER_ALL; - else + break; + default: config.rx_filter = HWTSTAMP_FILTER_NONE; + } return copy_to_user(req->ifr_data, &config, sizeof(config)) ? -EFAULT : 0; @@ -1719,6 +1668,51 @@ static const struct net_device_ops ravb_netdev_ops = { .ndo_change_mtu = eth_change_mtu, }; +/* MDIO bus init function */ +static int ravb_mdio_init(struct ravb_private *priv) +{ + struct platform_device *pdev = priv->pdev; + struct device *dev = &pdev->dev; + int error; + + /* Bitbang init */ + priv->mdiobb.ops = &bb_ops; + + /* MII controller setting */ + priv->mii_bus = alloc_mdio_bitbang(&priv->mdiobb); + if (!priv->mii_bus) + return -ENOMEM; + + /* Hook up MII support for ethtool */ + priv->mii_bus->name = "ravb_mii"; + priv->mii_bus->parent = dev; + snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", + pdev->name, pdev->id); + + /* Register MDIO bus */ + error = of_mdiobus_register(priv->mii_bus, dev->of_node); + if (error) + goto out_free_bus; + + return 0; + +out_free_bus: + free_mdio_bitbang(priv->mii_bus); + return error; +} + +/* MDIO bus release function */ +static int ravb_mdio_release(struct ravb_private *priv) +{ + /* Unregister mdio bus */ + mdiobus_unregister(priv->mii_bus); + + /* Free bitbang info */ + free_mdio_bitbang(priv->mii_bus); + + return 0; +} + static const struct of_device_id ravb_match_table[] = { { .compatible = "renesas,etheravb-r8a7790", .data = (void *)RCAR_GEN2 }, { .compatible = "renesas,etheravb-r8a7794", .data = (void *)RCAR_GEN2 }, @@ -1857,6 +1851,13 @@ static int ravb_probe(struct platform_device *pdev) eth_hw_addr_random(ndev); } + /* MDIO bus init */ + error = ravb_mdio_init(priv); + if (error) { + dev_err(&pdev->dev, "failed to initialize MDIO\n"); + goto out_dma_free; + } + netif_napi_add(ndev, &priv->napi[RAVB_BE], ravb_poll, 64); netif_napi_add(ndev, &priv->napi[RAVB_NC], ravb_poll, 64); @@ -1876,6 +1877,8 @@ static int ravb_probe(struct platform_device *pdev) out_napi_del: netif_napi_del(&priv->napi[RAVB_NC]); netif_napi_del(&priv->napi[RAVB_BE]); + ravb_mdio_release(priv); +out_dma_free: dma_free_coherent(ndev->dev.parent, priv->desc_bat_size, priv->desc_bat, priv->desc_bat_dma); out_release: @@ -1900,6 +1903,7 @@ static int ravb_remove(struct platform_device *pdev) unregister_netdev(ndev); netif_napi_del(&priv->napi[RAVB_NC]); netif_napi_del(&priv->napi[RAVB_BE]); + ravb_mdio_release(priv); pm_runtime_disable(&pdev->dev); free_netdev(ndev); platform_set_drvdata(pdev, NULL); diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 8413f93f5cd9..1942264b621b 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -2210,7 +2210,7 @@ static void sh_eth_get_strings(struct net_device *ndev, u32 stringset, u8 *data) { switch (stringset) { case ETH_SS_STATS: - memcpy(data, *sh_eth_gstrings_stats, + memcpy(data, sh_eth_gstrings_stats, sizeof(sh_eth_gstrings_stats)); break; } @@ -2507,10 +2507,10 @@ static int sh_eth_close(struct net_device *ndev) /* Free all the skbuffs in the Rx queue and the DMA buffer. */ sh_eth_ring_free(ndev); - pm_runtime_put_sync(&mdp->pdev->dev); - mdp->is_opened = 0; + pm_runtime_put(&mdp->pdev->dev); + return 0; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c index ee5a7c05a0e6..f1eb9f99076a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c @@ -361,6 +361,8 @@ static int ipq806x_gmac_probe(struct platform_device *pdev) plat_dat->bsp_priv = gmac; plat_dat->fix_mac_speed = ipq806x_gmac_fix_mac_speed; plat_dat->multicast_filter_bins = 0; + plat_dat->tx_fifo_size = 8192; + plat_dat->rx_fifo_size = 8192; return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c index 31ab5e749e66..d9cbc5dcf3ec 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c @@ -39,7 +39,7 @@ struct sunxi_priv_data { static int sun7i_gmac_init(struct platform_device *pdev, void *priv) { struct sunxi_priv_data *gmac = priv; - int ret; + int ret = 0; if (gmac->regulator) { ret = regulator_enable(gmac->regulator); @@ -60,11 +60,11 @@ static int sun7i_gmac_init(struct platform_device *pdev, void *priv) } else { clk_set_rate(gmac->tx_clk, SUN7I_GMAC_MII_RATE); ret = clk_prepare(gmac->tx_clk); - if (ret) - return ret; + if (ret && gmac->regulator) + regulator_disable(gmac->regulator); } - return 0; + return ret; } static void sun7i_gmac_exit(struct platform_device *pdev, void *priv) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h b/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h index b3fe0575ff6b..db2a341ae4b3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h @@ -83,10 +83,10 @@ enum power_event { #define LPI_CTRL_STATUS_TLPIEN 0x00000001 /* Transmit LPI Entry */ /* GMAC HW ADDR regs */ -#define GMAC_ADDR_HIGH(reg) (((reg > 15) ? 0x00000800 : 0x00000040) + \ - (reg * 8)) -#define GMAC_ADDR_LOW(reg) (((reg > 15) ? 0x00000804 : 0x00000044) + \ - (reg * 8)) +#define GMAC_ADDR_HIGH(reg) ((reg > 15) ? 0x00000800 + (reg - 16) * 8 : \ + 0x00000040 + (reg * 8)) +#define GMAC_ADDR_LOW(reg) ((reg > 15) ? 0x00000804 + (reg - 16) * 8 : \ + 0x00000044 + (reg * 8)) #define GMAC_MAX_PERFECT_ADDRESSES 1 /* PCS registers (AN/TBI/SGMII/RGMII) offset */ diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index fbf701e5f1e9..6fe441696882 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -616,23 +616,16 @@ static int stmmac_ethtool_op_set_eee(struct net_device *dev, struct stmmac_priv *priv = netdev_priv(dev); int ret; - if (!edata->eee_enabled) { + if (!priv->dma_cap.eee) + return -EOPNOTSUPP; + + if (!edata->eee_enabled) stmmac_disable_eee_mode(priv); - } else { - /* We are asking for enabling the EEE but it is safe - * to verify all by invoking the eee_init function. - * In case of failure it will return an error. - */ - edata->eee_enabled = stmmac_eee_init(priv); - if (!edata->eee_enabled) - return -EOPNOTSUPP; - } ret = phy_ethtool_set_eee(dev->phydev, edata); if (ret) return ret; - priv->eee_enabled = edata->eee_enabled; priv->tx_lpi_timer = edata->tx_lpi_timer; return 0; } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 6f695239e658..d9462ee91a4b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1897,9 +1897,6 @@ static int stmmac_release(struct net_device *dev) { struct stmmac_priv *priv = netdev_priv(dev); - if (priv->eee_enabled) - del_timer_sync(&priv->eee_ctrl_timer); - /* Stop and disconnect the PHY */ if (priv->phydev) { phy_stop(priv->phydev); @@ -1920,6 +1917,11 @@ static int stmmac_release(struct net_device *dev) if (priv->lpi_irq > 0) free_irq(priv->lpi_irq, dev); + if (priv->eee_enabled) { + priv->tx_path_in_lpi_mode = false; + del_timer_sync(&priv->eee_ctrl_timer); + } + /* Stop TX/RX DMA and clear the descriptors */ priv->hw->dma->stop_tx(priv->ioaddr); priv->hw->dma->stop_rx(priv->ioaddr); @@ -3068,6 +3070,11 @@ int stmmac_suspend(struct net_device *ndev) napi_disable(&priv->napi); + if (priv->eee_enabled) { + priv->tx_path_in_lpi_mode = false; + del_timer_sync(&priv->eee_ctrl_timer); + } + /* Stop TX/RX DMA */ priv->hw->dma->stop_tx(priv->ioaddr); priv->hw->dma->stop_rx(priv->ioaddr); diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index 85f3a2c0d4dd..3fb6f57dbbb3 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -3948,8 +3948,6 @@ static void niu_xmac_interrupt(struct niu *np) mp->rx_mcasts += RXMAC_MC_FRM_CNT_COUNT; if (val & XRXMAC_STATUS_RXBCAST_CNT_EXP) mp->rx_bcasts += RXMAC_BC_FRM_CNT_COUNT; - if (val & XRXMAC_STATUS_RXBCAST_CNT_EXP) - mp->rx_bcasts += RXMAC_BC_FRM_CNT_COUNT; if (val & XRXMAC_STATUS_RXHIST1_CNT_EXP) mp->rx_hist_cnt1 += RXMAC_HIST_CNT1_COUNT; if (val & XRXMAC_STATUS_RXHIST2_CNT_EXP) @@ -8168,10 +8166,10 @@ static int niu_pci_vpd_scan_props(struct niu *np, u32 start, u32 end) "VPD_SCAN: Reading in property [%s] len[%d]\n", namebuf, prop_len); for (i = 0; i < prop_len; i++) { - err = niu_pci_eeprom_read(np, off + i); - if (err >= 0) - *prop_buf = err; - ++prop_buf; + err = niu_pci_eeprom_read(np, off + i); + if (err < 0) + return err; + *prop_buf++ = err; } } @@ -8182,14 +8180,14 @@ static int niu_pci_vpd_scan_props(struct niu *np, u32 start, u32 end) } /* ESPC_PIO_EN_ENABLE must be set */ -static void niu_pci_vpd_fetch(struct niu *np, u32 start) +static int niu_pci_vpd_fetch(struct niu *np, u32 start) { u32 offset; int err; err = niu_pci_eeprom_read16_swp(np, start + 1); if (err < 0) - return; + return err; offset = err + 3; @@ -8198,12 +8196,14 @@ static void niu_pci_vpd_fetch(struct niu *np, u32 start) u32 end; err = niu_pci_eeprom_read(np, here); + if (err < 0) + return err; if (err != 0x90) - return; + return -EINVAL; err = niu_pci_eeprom_read16_swp(np, here + 1); if (err < 0) - return; + return err; here = start + offset + 3; end = start + offset + err; @@ -8211,9 +8211,12 @@ static void niu_pci_vpd_fetch(struct niu *np, u32 start) offset += err; err = niu_pci_vpd_scan_props(np, here, end); - if (err < 0 || err == 1) - return; + if (err < 0) + return err; + if (err == 1) + return -EINVAL; } + return 0; } /* ESPC_PIO_EN_ENABLE must be set */ @@ -9306,8 +9309,11 @@ static int niu_get_invariants(struct niu *np) offset = niu_pci_vpd_offset(np); netif_printk(np, probe, KERN_DEBUG, np->dev, "%s() VPD offset [%08x]\n", __func__, offset); - if (offset) - niu_pci_vpd_fetch(np, offset); + if (offset) { + err = niu_pci_vpd_fetch(np, offset); + if (err < 0) + return err; + } nw64(ESPC_PIO_EN, 0); if (np->flags & NIU_FLAGS_VPD_VALID) { diff --git a/drivers/net/ethernet/tehuti/tehuti.c b/drivers/net/ethernet/tehuti/tehuti.c index 14c9d1baa85c..19c832aaecf0 100644 --- a/drivers/net/ethernet/tehuti/tehuti.c +++ b/drivers/net/ethernet/tehuti/tehuti.c @@ -2068,6 +2068,7 @@ bdx_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /*bdx_hw_reset(priv); */ if (bdx_read_mac(priv)) { pr_err("load MAC address failed\n"); + err = -EFAULT; goto err_out_iomap; } SET_NETDEV_DEV(ndev, &pdev->dev); diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index e4c4747bdf32..e11f436b0726 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -183,11 +183,11 @@ static const char emac_version_string[] = "TI DaVinci EMAC Linux v6.1"; /* EMAC mac_status register */ #define EMAC_MACSTATUS_TXERRCODE_MASK (0xF00000) #define EMAC_MACSTATUS_TXERRCODE_SHIFT (20) -#define EMAC_MACSTATUS_TXERRCH_MASK (0x7) +#define EMAC_MACSTATUS_TXERRCH_MASK (0x70000) #define EMAC_MACSTATUS_TXERRCH_SHIFT (16) #define EMAC_MACSTATUS_RXERRCODE_MASK (0xF000) #define EMAC_MACSTATUS_RXERRCODE_SHIFT (12) -#define EMAC_MACSTATUS_RXERRCH_MASK (0x7) +#define EMAC_MACSTATUS_RXERRCH_MASK (0x700) #define EMAC_MACSTATUS_RXERRCH_SHIFT (8) /* EMAC RX register masks */ diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c index 37b9b39192ec..463c6db67146 100644 --- a/drivers/net/ethernet/ti/netcp_core.c +++ b/drivers/net/ethernet/ti/netcp_core.c @@ -1284,9 +1284,9 @@ int netcp_txpipe_open(struct netcp_tx_pipe *tx_pipe) tx_pipe->dma_queue = knav_queue_open(name, tx_pipe->dma_queue_id, KNAV_QUEUE_SHARED); if (IS_ERR(tx_pipe->dma_queue)) { + ret = PTR_ERR(tx_pipe->dma_queue); dev_err(dev, "Could not open DMA queue for channel \"%s\": %d\n", name, ret); - ret = PTR_ERR(tx_pipe->dma_queue); goto err; } diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index ed6a88cf3281..98a1c712b62a 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -735,6 +735,11 @@ temac_start_xmit(struct sk_buff *skb, struct net_device *ndev) /* Kick off the transfer */ lp->dma_out(lp, TX_TAILDESC_PTR, tail_p); /* DMA start */ + if (temac_check_tx_bd_space(lp, MAX_SKB_FRAGS + 1)) { + netdev_info(ndev, "%s -> netif_stop_queue\n", __func__); + netif_stop_queue(ndev); + } + return NETDEV_TX_OK; } diff --git a/drivers/net/fddi/Kconfig b/drivers/net/fddi/Kconfig index 3a424c864f4d..ecebeeb9b2a0 100644 --- a/drivers/net/fddi/Kconfig +++ b/drivers/net/fddi/Kconfig @@ -28,17 +28,20 @@ config DEFXX config DEFXX_MMIO bool - prompt "Use MMIO instead of PIO" if PCI || EISA + prompt "Use MMIO instead of IOP" if PCI || EISA depends on DEFXX - default n if PCI || EISA + default n if EISA default y ---help--- This instructs the driver to use EISA or PCI memory-mapped I/O - (MMIO) as appropriate instead of programmed I/O ports (PIO). + (MMIO) as appropriate instead of programmed I/O ports (IOP). Enabling this gives an improvement in processing time in parts - of the driver, but it may cause problems with EISA (DEFEA) - adapters. TURBOchannel does not have the concept of I/O ports, - so MMIO is always used for these (DEFTA) adapters. + of the driver, but it requires a memory window to be configured + for EISA (DEFEA) adapters that may not always be available. + Conversely some PCIe host bridges do not support IOP, so MMIO + may be required to access PCI (DEFPA) adapters on downstream PCI + buses with some systems. TURBOchannel does not have the concept + of I/O ports, so MMIO is always used for these (DEFTA) adapters. If unsure, say N. diff --git a/drivers/net/fddi/defxx.c b/drivers/net/fddi/defxx.c index 7f975a2c8990..ebba57988f0a 100644 --- a/drivers/net/fddi/defxx.c +++ b/drivers/net/fddi/defxx.c @@ -495,6 +495,25 @@ static const struct net_device_ops dfx_netdev_ops = { .ndo_set_mac_address = dfx_ctl_set_mac_address, }; +static void dfx_register_res_alloc_err(const char *print_name, bool mmio, + bool eisa) +{ + pr_err("%s: Cannot use %s, no address set, aborting\n", + print_name, mmio ? "MMIO" : "I/O"); + pr_err("%s: Recompile driver with \"CONFIG_DEFXX_MMIO=%c\"\n", + print_name, mmio ? 'n' : 'y'); + if (eisa && mmio) + pr_err("%s: Or run ECU and set adapter's MMIO location\n", + print_name); +} + +static void dfx_register_res_err(const char *print_name, bool mmio, + unsigned long start, unsigned long len) +{ + pr_err("%s: Cannot reserve %s resource 0x%lx @ 0x%lx, aborting\n", + print_name, mmio ? "MMIO" : "I/O", len, start); +} + /* * ================ * = dfx_register = @@ -568,15 +587,12 @@ static int dfx_register(struct device *bdev) dev_set_drvdata(bdev, dev); dfx_get_bars(bdev, bar_start, bar_len); - if (dfx_bus_eisa && dfx_use_mmio && bar_start[0] == 0) { - pr_err("%s: Cannot use MMIO, no address set, aborting\n", - print_name); - pr_err("%s: Run ECU and set adapter's MMIO location\n", - print_name); - pr_err("%s: Or recompile driver with \"CONFIG_DEFXX_MMIO=n\"" - "\n", print_name); + if (bar_len[0] == 0 || + (dfx_bus_eisa && dfx_use_mmio && bar_start[0] == 0)) { + dfx_register_res_alloc_err(print_name, dfx_use_mmio, + dfx_bus_eisa); err = -ENXIO; - goto err_out; + goto err_out_disable; } if (dfx_use_mmio) @@ -585,18 +601,16 @@ static int dfx_register(struct device *bdev) else region = request_region(bar_start[0], bar_len[0], print_name); if (!region) { - pr_err("%s: Cannot reserve %s resource 0x%lx @ 0x%lx, " - "aborting\n", dfx_use_mmio ? "MMIO" : "I/O", print_name, - (long)bar_len[0], (long)bar_start[0]); + dfx_register_res_err(print_name, dfx_use_mmio, + bar_start[0], bar_len[0]); err = -EBUSY; goto err_out_disable; } if (bar_start[1] != 0) { region = request_region(bar_start[1], bar_len[1], print_name); if (!region) { - pr_err("%s: Cannot reserve I/O resource " - "0x%lx @ 0x%lx, aborting\n", print_name, - (long)bar_len[1], (long)bar_start[1]); + dfx_register_res_err(print_name, 0, + bar_start[1], bar_len[1]); err = -EBUSY; goto err_out_csr_region; } @@ -604,9 +618,8 @@ static int dfx_register(struct device *bdev) if (bar_start[2] != 0) { region = request_region(bar_start[2], bar_len[2], print_name); if (!region) { - pr_err("%s: Cannot reserve I/O resource " - "0x%lx @ 0x%lx, aborting\n", print_name, - (long)bar_len[2], (long)bar_start[2]); + dfx_register_res_err(print_name, 0, + bar_start[2], bar_len[2]); err = -EBUSY; goto err_out_bh_region; } diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index ec13e2ae6d16..ee38299f9c57 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -711,7 +711,8 @@ free_dst: static struct rtable *geneve_get_v4_rt(struct sk_buff *skb, struct net_device *dev, struct flowi4 *fl4, - struct ip_tunnel_info *info) + struct ip_tunnel_info *info, + __be16 dport, __be16 sport) { struct geneve_dev *geneve = netdev_priv(dev); struct rtable *rt = NULL; @@ -720,6 +721,8 @@ static struct rtable *geneve_get_v4_rt(struct sk_buff *skb, memset(fl4, 0, sizeof(*fl4)); fl4->flowi4_mark = skb->mark; fl4->flowi4_proto = IPPROTO_UDP; + fl4->fl4_dport = dport; + fl4->fl4_sport = sport; if (info) { fl4->daddr = info->key.u.ipv4.dst; @@ -754,7 +757,8 @@ static struct rtable *geneve_get_v4_rt(struct sk_buff *skb, static struct dst_entry *geneve_get_v6_dst(struct sk_buff *skb, struct net_device *dev, struct flowi6 *fl6, - struct ip_tunnel_info *info) + struct ip_tunnel_info *info, + __be16 dport, __be16 sport) { struct geneve_dev *geneve = netdev_priv(dev); struct geneve_sock *gs6 = geneve->sock6; @@ -764,6 +768,8 @@ static struct dst_entry *geneve_get_v6_dst(struct sk_buff *skb, memset(fl6, 0, sizeof(*fl6)); fl6->flowi6_mark = skb->mark; fl6->flowi6_proto = IPPROTO_UDP; + fl6->fl6_dport = dport; + fl6->fl6_sport = sport; if (info) { fl6->daddr = info->key.u.ipv6.dst; @@ -834,13 +840,14 @@ static netdev_tx_t geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev, goto tx_error; } - rt = geneve_get_v4_rt(skb, dev, &fl4, info); + sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); + rt = geneve_get_v4_rt(skb, dev, &fl4, info, + geneve->dst_port, sport); if (IS_ERR(rt)) { err = PTR_ERR(rt); goto tx_error; } - sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); skb_reset_mac_header(skb); if (info) { @@ -916,13 +923,14 @@ static netdev_tx_t geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, } } - dst = geneve_get_v6_dst(skb, dev, &fl6, info); + sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); + dst = geneve_get_v6_dst(skb, dev, &fl6, info, + geneve->dst_port, sport); if (IS_ERR(dst)) { err = PTR_ERR(dst); goto tx_error; } - sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); skb_reset_mac_header(skb); if (info) { @@ -1011,9 +1019,14 @@ static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) struct dst_entry *dst; struct flowi6 fl6; #endif + __be16 sport; if (ip_tunnel_info_af(info) == AF_INET) { - rt = geneve_get_v4_rt(skb, dev, &fl4, info); + sport = udp_flow_src_port(geneve->net, skb, + 1, USHRT_MAX, true); + + rt = geneve_get_v4_rt(skb, dev, &fl4, info, + geneve->dst_port, sport); if (IS_ERR(rt)) return PTR_ERR(rt); @@ -1021,7 +1034,11 @@ static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) info->key.u.ipv4.src = fl4.saddr; #if IS_ENABLED(CONFIG_IPV6) } else if (ip_tunnel_info_af(info) == AF_INET6) { - dst = geneve_get_v6_dst(skb, dev, &fl6, info); + sport = udp_flow_src_port(geneve->net, skb, + 1, USHRT_MAX, true); + + dst = geneve_get_v6_dst(skb, dev, &fl6, info, + geneve->dst_port, sport); if (IS_ERR(dst)) return PTR_ERR(dst); @@ -1032,8 +1049,7 @@ static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) return -EINVAL; } - info->key.tp_src = udp_flow_src_port(geneve->net, skb, - 1, USHRT_MAX, true); + info->key.tp_src = sport; info->key.tp_dst = geneve->dst_port; return 0; } diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index 470d416f2b86..078eb110381c 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -810,6 +810,7 @@ static void mkiss_close(struct tty_struct *tty) ax->tty = NULL; unregister_netdev(ax->dev); + free_netdev(ax->dev); } /* Perform I/O control on an active ax25 channel. */ diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c index d5e0e2aedc55..9b3ab60c3556 100644 --- a/drivers/net/ieee802154/atusb.c +++ b/drivers/net/ieee802154/atusb.c @@ -340,6 +340,7 @@ static int atusb_alloc_urbs(struct atusb *atusb, int n) return -ENOMEM; } usb_anchor_urb(urb, &atusb->idle_urbs); + usb_free_urb(urb); n--; } return 0; diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index ccefba7af960..5ea86fd57ae6 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -308,7 +308,8 @@ void mdiobus_unregister(struct mii_bus *bus) { int i; - BUG_ON(bus->state != MDIOBUS_REGISTERED); + if (WARN_ON_ONCE(bus->state != MDIOBUS_REGISTERED)) + return; bus->state = MDIOBUS_UNREGISTERED; for (i = 0; i < PHY_MAX_ADDR; i++) { diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index d0943415aeff..2ed1453b9224 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -285,7 +285,7 @@ inst_rollback: for (i--; i >= 0; i--) __team_option_inst_del_option(team, dst_opts[i]); - i = option_count - 1; + i = option_count; alloc_rollback: for (i--; i >= 0; i--) kfree(dst_opts[i]); @@ -2038,6 +2038,7 @@ static void team_setup_by_port(struct net_device *dev, dev->header_ops = port_dev->header_ops; dev->type = port_dev->type; dev->hard_header_len = port_dev->hard_header_len; + dev->needed_headroom = port_dev->needed_headroom; dev->addr_len = port_dev->addr_len; dev->mtu = port_dev->mtu; memcpy(dev->broadcast, port_dev->broadcast, port_dev->addr_len); diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 2b7a3631b882..7622f390ef1a 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -71,6 +71,14 @@ #include <net/sock.h> #include <linux/seq_file.h> #include <linux/uio.h> +#include <linux/ieee802154.h> +#include <linux/if_ltalk.h> +#include <uapi/linux/if_fddi.h> +#include <uapi/linux/if_hippi.h> +#include <uapi/linux/if_fc.h> +#include <net/ax25.h> +#include <net/rose.h> +#include <net/6lowpan.h> #include <asm/uaccess.h> @@ -1888,6 +1896,45 @@ unlock: return ret; } +/* Return correct value for tun->dev->addr_len based on tun->dev->type. */ +static unsigned char tun_get_addr_len(unsigned short type) +{ + switch (type) { + case ARPHRD_IP6GRE: + case ARPHRD_TUNNEL6: + return sizeof(struct in6_addr); + case ARPHRD_IPGRE: + case ARPHRD_TUNNEL: + case ARPHRD_SIT: + return 4; + case ARPHRD_ETHER: + return ETH_ALEN; + case ARPHRD_IEEE802154: + case ARPHRD_IEEE802154_MONITOR: + return IEEE802154_EXTENDED_ADDR_LEN; + case ARPHRD_PHONET_PIPE: + case ARPHRD_PPP: + case ARPHRD_NONE: + return 0; + case ARPHRD_6LOWPAN: + return EUI64_ADDR_LEN; + case ARPHRD_FDDI: + return FDDI_K_ALEN; + case ARPHRD_HIPPI: + return HIPPI_ALEN; + case ARPHRD_IEEE802: + return FC_ALEN; + case ARPHRD_ROSE: + return ROSE_ADDR_LEN; + case ARPHRD_NETROM: + return AX25_ADDR_LEN; + case ARPHRD_LOCALTLK: + return LTALK_ALEN; + default: + return 0; + } +} + static long __tun_chr_ioctl(struct file *file, unsigned int cmd, unsigned long arg, int ifreq_len) { @@ -2026,6 +2073,7 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd, ret = -EBUSY; } else { tun->dev->type = (int) arg; + tun->dev->addr_len = tun_get_addr_len(tun->dev->type); tun_debug(KERN_INFO, tun, "linktype set to %d\n", tun->dev->type); ret = 0; diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index 2dcc8a039d42..53cef8cd1aad 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -307,12 +307,12 @@ static int ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, int ret; if (2 == size) { - u16 buf; + u16 buf = 0; ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0); le16_to_cpus(&buf); *((u16 *)data) = buf; } else if (4 == size) { - u32 buf; + u32 buf = 0; ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0); le32_to_cpus(&buf); *((u32 *)data) = buf; diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c index ff2270ead2e6..84e0e7f78029 100644 --- a/drivers/net/usb/cdc-phonet.c +++ b/drivers/net/usb/cdc-phonet.c @@ -406,6 +406,8 @@ static int usbpn_probe(struct usb_interface *intf, const struct usb_device_id *i err = register_netdev(dev); if (err) { + /* Set disconnected flag so that disconnect() returns early. */ + pnd->disconnected = 1; usb_driver_release_interface(&usbpn_driver, data_intf); goto out; } diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c index f7180f8db39e..9c15e1a1261b 100644 --- a/drivers/net/usb/cdc_eem.c +++ b/drivers/net/usb/cdc_eem.c @@ -138,10 +138,10 @@ static struct sk_buff *eem_tx_fixup(struct usbnet *dev, struct sk_buff *skb, } skb2 = skb_copy_expand(skb, EEM_HEAD, ETH_FCS_LEN + padlen, flags); + dev_kfree_skb_any(skb); if (!skb2) return NULL; - dev_kfree_skb_any(skb); skb = skb2; done: diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index bab13ccfb085..8bef8c3dd2a3 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -1079,7 +1079,10 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) * accordingly. Otherwise, we should check here. */ if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) - delayed_ndp_size = ALIGN(ctx->max_ndp_size, ctx->tx_ndp_modulus); + delayed_ndp_size = ctx->max_ndp_size + + max_t(u32, + ctx->tx_ndp_modulus, + ctx->tx_modulus + ctx->tx_remainder) - 1; else delayed_ndp_size = 0; @@ -1232,7 +1235,8 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) if (!(dev->driver_info->flags & FLAG_SEND_ZLP) && skb_out->len > ctx->min_tx_pkt) { padding_count = ctx->tx_max - skb_out->len; - memset(skb_put(skb_out, padding_count), 0, padding_count); + if (!WARN_ON(padding_count > ctx->tx_max)) + memset(skb_put(skb_out, padding_count), 0, padding_count); } else if (skb_out->len < ctx->tx_max && (skb_out->len % dev->maxpacket) == 0) { *skb_put(skb_out, 1) = 0; /* force short packet */ @@ -1553,9 +1557,6 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb) * USB_CDC_NOTIFY_NETWORK_CONNECTION notification shall be * sent by device after USB_CDC_NOTIFY_SPEED_CHANGE. */ - netif_info(dev, link, dev->net, - "network connection: %sconnected\n", - !!event->wValue ? "" : "dis"); usbnet_link_change(dev, !!event->wValue, 0); break; @@ -1579,7 +1580,7 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb) static const struct driver_info cdc_ncm_info = { .description = "CDC NCM", .flags = FLAG_POINTTOPOINT | FLAG_NO_SETINT | FLAG_MULTI_PACKET - | FLAG_LINK_INTR, + | FLAG_LINK_INTR | FLAG_ETHER, .bind = cdc_ncm_bind, .unbind = cdc_ncm_unbind, .manage_power = usbnet_manage_power, diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index efd4bf06f6ad..5d988829f7d5 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -635,7 +635,7 @@ static struct hso_serial *get_serial_by_index(unsigned index) return serial; } -static int get_free_serial_index(void) +static int obtain_minor(struct hso_serial *serial) { int index; unsigned long flags; @@ -643,8 +643,10 @@ static int get_free_serial_index(void) spin_lock_irqsave(&serial_table_lock, flags); for (index = 0; index < HSO_SERIAL_TTY_MINORS; index++) { if (serial_table[index] == NULL) { + serial_table[index] = serial->parent; + serial->minor = index; spin_unlock_irqrestore(&serial_table_lock, flags); - return index; + return 0; } } spin_unlock_irqrestore(&serial_table_lock, flags); @@ -653,15 +655,12 @@ static int get_free_serial_index(void) return -1; } -static void set_serial_by_index(unsigned index, struct hso_serial *serial) +static void release_minor(struct hso_serial *serial) { unsigned long flags; spin_lock_irqsave(&serial_table_lock, flags); - if (serial) - serial_table[index] = serial->parent; - else - serial_table[index] = NULL; + serial_table[serial->minor] = NULL; spin_unlock_irqrestore(&serial_table_lock, flags); } @@ -1711,7 +1710,7 @@ static int hso_serial_tiocmset(struct tty_struct *tty, spin_unlock_irqrestore(&serial->serial_lock, flags); return usb_control_msg(serial->parent->usb, - usb_rcvctrlpipe(serial->parent->usb, 0), 0x22, + usb_sndctrlpipe(serial->parent->usb, 0), 0x22, 0x21, val, if_num, NULL, 0, USB_CTRL_SET_TIMEOUT); } @@ -2249,6 +2248,7 @@ static int hso_stop_serial_device(struct hso_device *hso_dev) static void hso_serial_tty_unregister(struct hso_serial *serial) { tty_unregister_device(tty_drv, serial->minor); + release_minor(serial); } static void hso_serial_common_free(struct hso_serial *serial) @@ -2273,25 +2273,23 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs, int rx_size, int tx_size) { struct device *dev; - int minor; int i; tty_port_init(&serial->port); - minor = get_free_serial_index(); - if (minor < 0) + if (obtain_minor(serial)) goto exit2; /* register our minor number */ serial->parent->dev = tty_port_register_device_attr(&serial->port, - tty_drv, minor, &serial->parent->interface->dev, + tty_drv, serial->minor, &serial->parent->interface->dev, serial->parent, hso_serial_dev_groups); - if (IS_ERR(serial->parent->dev)) + if (IS_ERR(serial->parent->dev)) { + release_minor(serial); goto exit2; + } dev = serial->parent->dev; - /* fill in specific data for later use */ - serial->minor = minor; serial->magic = HSO_SERIAL_MAGIC; spin_lock_init(&serial->serial_lock); serial->num_rx_urbs = num_urbs; @@ -2463,7 +2461,7 @@ static int hso_rfkill_set_block(void *data, bool blocked) if (hso_dev->usb_gone) rv = 0; else - rv = usb_control_msg(hso_dev->usb, usb_rcvctrlpipe(hso_dev->usb, 0), + rv = usb_control_msg(hso_dev->usb, usb_sndctrlpipe(hso_dev->usb, 0), enabled ? 0x82 : 0x81, 0x40, 0, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); mutex_unlock(&hso_dev->mutex); @@ -2692,9 +2690,6 @@ static struct hso_device *hso_create_bulk_serial_device( serial->write_data = hso_std_serial_write_data; - /* and record this serial */ - set_serial_by_index(serial->minor, serial); - /* setup the proc dirs and files if needed */ hso_log_port(hso_dev); @@ -2751,9 +2746,6 @@ struct hso_device *hso_create_mux_serial_device(struct usb_interface *interface, serial->shared_int->ref_count++; mutex_unlock(&serial->shared_int->shared_int_lock); - /* and record this serial */ - set_serial_by_index(serial->minor, serial); - /* setup the proc dirs and files if needed */ hso_log_port(hso_dev); @@ -3139,8 +3131,7 @@ static void hso_free_interface(struct usb_interface *interface) cancel_work_sync(&serial_table[i]->async_put_intf); cancel_work_sync(&serial_table[i]->async_get_intf); hso_serial_tty_unregister(serial); - kref_put(&serial_table[i]->ref, hso_serial_ref_free); - set_serial_by_index(i, NULL); + kref_put(&serial->parent->ref, hso_serial_ref_free); } } diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c index 2b16a5fed9de..0cf5324d493e 100644 --- a/drivers/net/usb/ipheth.c +++ b/drivers/net/usb/ipheth.c @@ -70,7 +70,7 @@ #define IPHETH_USBINTF_SUBCLASS 253 #define IPHETH_USBINTF_PROTO 1 -#define IPHETH_BUF_SIZE 1516 +#define IPHETH_BUF_SIZE 1514 #define IPHETH_IP_ALIGN 2 /* padding at front of URB */ #define IPHETH_TX_TIMEOUT (5 * HZ) diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 14eca1f80ce3..943dab8ef1e2 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -702,7 +702,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x05c6, 0x9011, 4)}, {QMI_FIXED_INTF(0x05c6, 0x9021, 1)}, {QMI_FIXED_INTF(0x05c6, 0x9022, 2)}, - {QMI_FIXED_INTF(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */ + {QMI_QUIRK_SET_DTR(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */ {QMI_FIXED_INTF(0x05c6, 0x9026, 3)}, {QMI_FIXED_INTF(0x05c6, 0x902e, 5)}, {QMI_FIXED_INTF(0x05c6, 0x9031, 5)}, @@ -877,6 +877,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */ + {QMI_FIXED_INTF(0x19d2, 0x1275, 3)}, /* ZTE P685M */ {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, @@ -934,6 +935,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */ {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */ {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ + {QMI_QUIRK_SET_DTR(0x1e2d, 0x006f, 8)}, /* Cinterion PLS83/PLS63 */ {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */ {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 27e9c089b2fc..5baaa8291624 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -3820,7 +3820,7 @@ static void rtl8152_get_strings(struct net_device *dev, u32 stringset, u8 *data) { switch (stringset) { case ETH_SS_STATS: - memcpy(data, *rtl8152_gstrings, sizeof(rtl8152_gstrings)); + memcpy(data, rtl8152_gstrings, sizeof(rtl8152_gstrings)); break; } } diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index 524a47a28120..2b57bd8f0d72 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -213,7 +213,7 @@ int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf, int buflen) dev_dbg(&info->control->dev, "rndis response error, code %d\n", retval); } - msleep(20); + msleep(40); } dev_dbg(&info->control->dev, "rndis response timeout\n"); return -ETIMEDOUT; @@ -398,7 +398,7 @@ generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags) reply_len = sizeof *phym; retval = rndis_query(dev, intf, u.buf, RNDIS_OID_GEN_PHYSICAL_MEDIUM, - 0, (void **) &phym, &reply_len); + reply_len, (void **)&phym, &reply_len); if (retval != 0 || !phym) { /* OID is optional so don't fail here. */ phym_unspec = cpu_to_le32(RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED); diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c index 58b1e18fdd64..7230f1e8210f 100644 --- a/drivers/net/usb/rtl8150.c +++ b/drivers/net/usb/rtl8150.c @@ -277,12 +277,20 @@ static int write_mii_word(rtl8150_t * dev, u8 phy, __u8 indx, u16 reg) return 1; } -static inline void set_ethernet_addr(rtl8150_t * dev) +static void set_ethernet_addr(rtl8150_t *dev) { - u8 node_id[6]; + u8 node_id[ETH_ALEN]; + int ret; + + ret = get_registers(dev, IDR, sizeof(node_id), node_id); - get_registers(dev, IDR, sizeof(node_id), node_id); - memcpy(dev->netdev->dev_addr, node_id, sizeof(node_id)); + if (ret == sizeof(node_id)) { + ether_addr_copy(dev->netdev->dev_addr, node_id); + } else { + eth_hw_addr_random(dev->netdev); + netdev_notice(dev->netdev, "Assigned a random MAC address: %pM\n", + dev->netdev->dev_addr); + } } static int rtl8150_set_mac_address(struct net_device *netdev, void *p) diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index 234febc6e1d9..9fe6a8d899b0 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -1485,7 +1485,7 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf) ret = smsc75xx_wait_ready(dev, 0); if (ret < 0) { netdev_warn(dev->net, "device not ready in smsc75xx_bind\n"); - return ret; + goto free_pdata; } smsc75xx_init_mac_address(dev); @@ -1494,7 +1494,7 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf) ret = smsc75xx_reset(dev); if (ret < 0) { netdev_warn(dev->net, "smsc75xx_reset error %d\n", ret); - return ret; + goto cancel_work; } dev->net->netdev_ops = &smsc75xx_netdev_ops; @@ -1503,6 +1503,13 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf) dev->net->hard_header_len += SMSC75XX_TX_OVERHEAD; dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; return 0; + +cancel_work: + cancel_work_sync(&pdata->set_multicast); +free_pdata: + kfree(pdata); + dev->data[0] = 0; + return ret; } static void smsc75xx_unbind(struct usbnet *dev, struct usb_interface *intf) @@ -1512,7 +1519,6 @@ static void smsc75xx_unbind(struct usbnet *dev, struct usb_interface *intf) cancel_work_sync(&pdata->set_multicast); netif_dbg(dev, ifdown, dev->net, "free pdata\n"); kfree(pdata); - pdata = NULL; dev->data[0] = 0; } } diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 2759d386ade7..345784274410 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1372,14 +1372,16 @@ static int virtnet_set_channels(struct net_device *dev, get_online_cpus(); err = virtnet_set_queues(vi, queue_pairs); - if (!err) { - netif_set_real_num_tx_queues(dev, queue_pairs); - netif_set_real_num_rx_queues(dev, queue_pairs); - - virtnet_set_affinity(vi); + if (err) { + put_online_cpus(); + goto err; } + virtnet_set_affinity(vi); put_online_cpus(); + netif_set_real_num_tx_queues(dev, queue_pairs); + netif_set_real_num_rx_queues(dev, queue_pairs); +err: return err; } diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c index 848ea6a399f2..cbda69e58e08 100644 --- a/drivers/net/wan/cosa.c +++ b/drivers/net/wan/cosa.c @@ -903,6 +903,7 @@ static ssize_t cosa_write(struct file *file, chan->tx_status = 1; spin_unlock_irqrestore(&cosa->lock, flags); up(&chan->wsem); + kfree(kbuf); return -ERESTARTSYS; } } diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c index 51f6cee8aab2..b9216c3d4946 100644 --- a/drivers/net/wan/hdlc.c +++ b/drivers/net/wan/hdlc.c @@ -57,7 +57,15 @@ int hdlc_change_mtu(struct net_device *dev, int new_mtu) static int hdlc_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *p, struct net_device *orig_dev) { - struct hdlc_device *hdlc = dev_to_hdlc(dev); + struct hdlc_device *hdlc; + + /* First make sure "dev" is an HDLC device */ + if (!(dev->priv_flags & IFF_WAN_HDLC)) { + kfree_skb(skb); + return NET_RX_SUCCESS; + } + + hdlc = dev_to_hdlc(dev); if (!net_eq(dev_net(dev), &init_net)) { kfree_skb(skb); diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c index f8ed079d8bc3..7a6f851d9843 100644 --- a/drivers/net/wan/hdlc_cisco.c +++ b/drivers/net/wan/hdlc_cisco.c @@ -120,6 +120,7 @@ static void cisco_keepalive_send(struct net_device *dev, u32 type, skb_put(skb, sizeof(struct cisco_packet)); skb->priority = TC_PRIO_CONTROL; skb->dev = dev; + skb->protocol = htons(ETH_P_HDLC); skb_reset_network_header(skb); dev_queue_xmit(skb); diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c index 89541cc90e87..045158fab8fe 100644 --- a/drivers/net/wan/hdlc_fr.c +++ b/drivers/net/wan/hdlc_fr.c @@ -275,63 +275,69 @@ static inline struct net_device **get_dev_p(struct pvc_device *pvc, static int fr_hard_header(struct sk_buff **skb_p, u16 dlci) { - u16 head_len; struct sk_buff *skb = *skb_p; - switch (skb->protocol) { - case cpu_to_be16(NLPID_CCITT_ANSI_LMI): - head_len = 4; - skb_push(skb, head_len); - skb->data[3] = NLPID_CCITT_ANSI_LMI; - break; - - case cpu_to_be16(NLPID_CISCO_LMI): - head_len = 4; - skb_push(skb, head_len); - skb->data[3] = NLPID_CISCO_LMI; - break; - - case cpu_to_be16(ETH_P_IP): - head_len = 4; - skb_push(skb, head_len); - skb->data[3] = NLPID_IP; - break; - - case cpu_to_be16(ETH_P_IPV6): - head_len = 4; - skb_push(skb, head_len); - skb->data[3] = NLPID_IPV6; - break; - - case cpu_to_be16(ETH_P_802_3): - head_len = 10; - if (skb_headroom(skb) < head_len) { - struct sk_buff *skb2 = skb_realloc_headroom(skb, - head_len); + if (!skb->dev) { /* Control packets */ + switch (dlci) { + case LMI_CCITT_ANSI_DLCI: + skb_push(skb, 4); + skb->data[3] = NLPID_CCITT_ANSI_LMI; + break; + + case LMI_CISCO_DLCI: + skb_push(skb, 4); + skb->data[3] = NLPID_CISCO_LMI; + break; + + default: + return -EINVAL; + } + + } else if (skb->dev->type == ARPHRD_DLCI) { + switch (skb->protocol) { + case htons(ETH_P_IP): + skb_push(skb, 4); + skb->data[3] = NLPID_IP; + break; + + case htons(ETH_P_IPV6): + skb_push(skb, 4); + skb->data[3] = NLPID_IPV6; + break; + + default: + skb_push(skb, 10); + skb->data[3] = FR_PAD; + skb->data[4] = NLPID_SNAP; + /* OUI 00-00-00 indicates an Ethertype follows */ + skb->data[5] = 0x00; + skb->data[6] = 0x00; + skb->data[7] = 0x00; + /* This should be an Ethertype: */ + *(__be16 *)(skb->data + 8) = skb->protocol; + } + + } else if (skb->dev->type == ARPHRD_ETHER) { + if (skb_headroom(skb) < 10) { + struct sk_buff *skb2 = skb_realloc_headroom(skb, 10); if (!skb2) return -ENOBUFS; dev_kfree_skb(skb); skb = *skb_p = skb2; } - skb_push(skb, head_len); + skb_push(skb, 10); skb->data[3] = FR_PAD; skb->data[4] = NLPID_SNAP; - skb->data[5] = FR_PAD; + /* OUI 00-80-C2 stands for the 802.1 organization */ + skb->data[5] = 0x00; skb->data[6] = 0x80; skb->data[7] = 0xC2; + /* PID 00-07 stands for Ethernet frames without FCS */ skb->data[8] = 0x00; - skb->data[9] = 0x07; /* bridged Ethernet frame w/out FCS */ - break; + skb->data[9] = 0x07; - default: - head_len = 10; - skb_push(skb, head_len); - skb->data[3] = FR_PAD; - skb->data[4] = NLPID_SNAP; - skb->data[5] = FR_PAD; - skb->data[6] = FR_PAD; - skb->data[7] = FR_PAD; - *(__be16*)(skb->data + 8) = skb->protocol; + } else { + return -EINVAL; } dlci_to_q922(skb->data, dlci); @@ -427,14 +433,16 @@ static netdev_tx_t pvc_xmit(struct sk_buff *skb, struct net_device *dev) skb_put(skb, pad); memset(skb->data + len, 0, pad); } - skb->protocol = cpu_to_be16(ETH_P_802_3); } + skb->dev = dev; if (!fr_hard_header(&skb, pvc->dlci)) { dev->stats.tx_bytes += skb->len; dev->stats.tx_packets++; if (pvc->state.fecn) /* TX Congestion counter */ dev->stats.tx_compressed++; skb->dev = pvc->frad; + skb->protocol = htons(ETH_P_HDLC); + skb_reset_network_header(skb); dev_queue_xmit(skb); return NETDEV_TX_OK; } @@ -494,10 +502,8 @@ static void fr_lmi_send(struct net_device *dev, int fullrep) memset(skb->data, 0, len); skb_reserve(skb, 4); if (lmi == LMI_CISCO) { - skb->protocol = cpu_to_be16(NLPID_CISCO_LMI); fr_hard_header(&skb, LMI_CISCO_DLCI); } else { - skb->protocol = cpu_to_be16(NLPID_CCITT_ANSI_LMI); fr_hard_header(&skb, LMI_CCITT_ANSI_DLCI); } data = skb_tail_pointer(skb); @@ -557,6 +563,7 @@ static void fr_lmi_send(struct net_device *dev, int fullrep) skb_put(skb, i); skb->priority = TC_PRIO_CONTROL; skb->dev = dev; + skb->protocol = htons(ETH_P_HDLC); skb_reset_network_header(skb); dev_queue_xmit(skb); diff --git a/drivers/net/wan/hdlc_ppp.c b/drivers/net/wan/hdlc_ppp.c index a2559f213dae..e38a8dca24cb 100644 --- a/drivers/net/wan/hdlc_ppp.c +++ b/drivers/net/wan/hdlc_ppp.c @@ -254,6 +254,7 @@ static void ppp_tx_cp(struct net_device *dev, u16 pid, u8 code, skb->priority = TC_PRIO_CONTROL; skb->dev = dev; + skb->protocol = htons(ETH_P_HDLC); skb_reset_network_header(skb); skb_queue_tail(&tx_queue, skb); } @@ -571,6 +572,13 @@ static void ppp_timer(unsigned long arg) unsigned long flags; spin_lock_irqsave(&ppp->lock, flags); + /* mod_timer could be called after we entered this function but + * before we got the lock. + */ + if (timer_pending(&proto->timer)) { + spin_unlock_irqrestore(&ppp->lock, flags); + return; + } switch (proto->state) { case STOPPING: case REQ_SENT: diff --git a/drivers/net/wan/hdlc_raw_eth.c b/drivers/net/wan/hdlc_raw_eth.c index 3ab72b3082de..bb7c362b23ad 100644 --- a/drivers/net/wan/hdlc_raw_eth.c +++ b/drivers/net/wan/hdlc_raw_eth.c @@ -101,6 +101,7 @@ static int raw_eth_ioctl(struct net_device *dev, struct ifreq *ifr) old_qlen = dev->tx_queue_len; ether_setup(dev); dev->tx_queue_len = old_qlen; + dev->priv_flags &= ~IFF_TX_SKB_SHARING; eth_hw_addr_random(dev); netif_dormant_off(dev); return 0; diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c index c6db9a4e7c45..24daa1d0e9c5 100644 --- a/drivers/net/wan/lapbether.c +++ b/drivers/net/wan/lapbether.c @@ -56,6 +56,8 @@ struct lapbethdev { struct list_head node; struct net_device *ethdev; /* link to ethernet device */ struct net_device *axdev; /* lapbeth device (lapb#) */ + bool up; + spinlock_t up_lock; /* Protects "up" */ }; static LIST_HEAD(lapbeth_devices); @@ -103,8 +105,9 @@ static int lapbeth_rcv(struct sk_buff *skb, struct net_device *dev, struct packe rcu_read_lock(); lapbeth = lapbeth_get_x25_dev(dev); if (!lapbeth) - goto drop_unlock; - if (!netif_running(lapbeth->axdev)) + goto drop_unlock_rcu; + spin_lock_bh(&lapbeth->up_lock); + if (!lapbeth->up) goto drop_unlock; len = skb->data[0] + skb->data[1] * 256; @@ -119,11 +122,14 @@ static int lapbeth_rcv(struct sk_buff *skb, struct net_device *dev, struct packe goto drop_unlock; } out: + spin_unlock_bh(&lapbeth->up_lock); rcu_read_unlock(); return 0; drop_unlock: kfree_skb(skb); goto out; +drop_unlock_rcu: + rcu_read_unlock(); drop: kfree_skb(skb); return 0; @@ -151,13 +157,11 @@ static int lapbeth_data_indication(struct net_device *dev, struct sk_buff *skb) static netdev_tx_t lapbeth_xmit(struct sk_buff *skb, struct net_device *dev) { + struct lapbethdev *lapbeth = netdev_priv(dev); int err; - /* - * Just to be *really* sure not to send anything if the interface - * is down, the ethernet device may have gone. - */ - if (!netif_running(dev)) + spin_lock_bh(&lapbeth->up_lock); + if (!lapbeth->up) goto drop; /* There should be a pseudo header of 1 byte added by upper layers. @@ -188,6 +192,7 @@ static netdev_tx_t lapbeth_xmit(struct sk_buff *skb, goto drop; } out: + spin_unlock_bh(&lapbeth->up_lock); return NETDEV_TX_OK; drop: kfree_skb(skb); @@ -201,8 +206,6 @@ static void lapbeth_data_transmit(struct net_device *ndev, struct sk_buff *skb) struct net_device *dev; int size = skb->len; - skb->protocol = htons(ETH_P_X25); - ptr = skb_push(skb, 2); *ptr++ = size % 256; @@ -213,6 +216,8 @@ static void lapbeth_data_transmit(struct net_device *ndev, struct sk_buff *skb) skb->dev = dev = lapbeth->ethdev; + skb->protocol = htons(ETH_P_DEC); + skb_reset_network_header(skb); dev_hard_header(skb, dev, ETH_P_DEC, bcast_addr, NULL, 0); @@ -279,6 +284,7 @@ static const struct lapb_register_struct lapbeth_callbacks = { */ static int lapbeth_open(struct net_device *dev) { + struct lapbethdev *lapbeth = netdev_priv(dev); int err; if ((err = lapb_register(dev, &lapbeth_callbacks)) != LAPB_OK) { @@ -286,15 +292,21 @@ static int lapbeth_open(struct net_device *dev) return -ENODEV; } - netif_start_queue(dev); + spin_lock_bh(&lapbeth->up_lock); + lapbeth->up = true; + spin_unlock_bh(&lapbeth->up_lock); + return 0; } static int lapbeth_close(struct net_device *dev) { + struct lapbethdev *lapbeth = netdev_priv(dev); int err; - netif_stop_queue(dev); + spin_lock_bh(&lapbeth->up_lock); + lapbeth->up = false; + spin_unlock_bh(&lapbeth->up_lock); if ((err = lapb_unregister(dev)) != LAPB_OK) pr_err("lapb_unregister error: %d\n", err); @@ -353,6 +365,9 @@ static int lapbeth_new_device(struct net_device *dev) dev_hold(dev); lapbeth->ethdev = dev; + lapbeth->up = false; + spin_lock_init(&lapbeth->up_lock); + rc = -EIO; if (register_netdevice(ndev)) goto fail; diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c index c178e1218347..88cf948ce8d4 100644 --- a/drivers/net/wan/lmc/lmc_main.c +++ b/drivers/net/wan/lmc/lmc_main.c @@ -926,6 +926,8 @@ static int lmc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) break; default: printk(KERN_WARNING "%s: LMC UNKNOWN CARD!\n", dev->name); + unregister_hdlc_device(dev); + return -EIO; break; } diff --git a/drivers/net/wimax/i2400m/op-rfkill.c b/drivers/net/wimax/i2400m/op-rfkill.c index dc6fe93ce71f..e8473047b2d1 100644 --- a/drivers/net/wimax/i2400m/op-rfkill.c +++ b/drivers/net/wimax/i2400m/op-rfkill.c @@ -101,7 +101,7 @@ int i2400m_op_rfkill_sw_toggle(struct wimax_dev *wimax_dev, if (cmd == NULL) goto error_alloc; cmd->hdr.type = cpu_to_le16(I2400M_MT_CMD_RF_CONTROL); - cmd->hdr.length = sizeof(cmd->sw_rf); + cmd->hdr.length = cpu_to_le16(sizeof(cmd->sw_rf)); cmd->hdr.version = cpu_to_le16(I2400M_L3L4_VERSION); cmd->sw_rf.hdr.type = cpu_to_le16(I2400M_TLV_RF_OPERATION); cmd->sw_rf.hdr.length = cpu_to_le16(sizeof(cmd->sw_rf.status)); diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index a65b5d7f59f4..78079ce1ad5a 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -99,6 +99,14 @@ static int __ath10k_htt_rx_ring_fill_n(struct ath10k_htt *htt, int num) BUILD_BUG_ON(HTT_RX_RING_FILL_LEVEL >= HTT_RX_RING_SIZE / 2); idx = __le32_to_cpu(*htt->rx_ring.alloc_idx.vaddr); + + if (idx < 0 || idx >= htt->rx_ring.size) { + ath10k_err(htt->ar, "rx ring index is not valid, firmware malfunctioning?\n"); + idx &= htt->rx_ring.size_mask; + ret = -ENOMEM; + goto fail; + } + while (num > 0) { skb = dev_alloc_skb(HTT_RX_BUF_SIZE + HTT_RX_DESC_ALIGN); if (!skb) { @@ -657,6 +665,7 @@ static void ath10k_htt_rx_h_rates(struct ath10k *ar, u8 preamble = 0; u8 group_id; u32 info1, info2, info3; + u32 stbc, nsts_su; info1 = __le32_to_cpu(rxd->ppdu_start.info1); info2 = __le32_to_cpu(rxd->ppdu_start.info2); @@ -700,11 +709,16 @@ static void ath10k_htt_rx_h_rates(struct ath10k *ar, TODO check this */ bw = info2 & 3; sgi = info3 & 1; + stbc = (info2 >> 3) & 1; group_id = (info2 >> 4) & 0x3F; if (GROUP_ID_IS_SU_MIMO(group_id)) { mcs = (info3 >> 4) & 0x0F; - nss = ((info2 >> 10) & 0x07) + 1; + nsts_su = ((info2 >> 10) & 0x07); + if (stbc) + nss = (nsts_su >> 2) + 1; + else + nss = (nsts_su + 1); } else { /* Hardware doesn't decode VHT-SIG-B into Rx descriptor * so it's impossible to decode MCS. Also since diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 7fbf2abcfc43..5fad38c3feb1 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -3336,23 +3336,16 @@ static bool ath10k_mac_need_offchan_tx_work(struct ath10k *ar) static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb) { struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue; - int ret = 0; - - spin_lock_bh(&ar->data_lock); - if (skb_queue_len(q) == ATH10K_MAX_NUM_MGMT_PENDING) { + if (skb_queue_len_lockless(q) >= ATH10K_MAX_NUM_MGMT_PENDING) { ath10k_warn(ar, "wmi mgmt tx queue is full\n"); - ret = -ENOSPC; - goto unlock; + return -ENOSPC; } - __skb_queue_tail(q, skb); + skb_queue_tail(q, skb); ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work); -unlock: - spin_unlock_bh(&ar->data_lock); - - return ret; + return 0; } static void ath10k_mac_tx(struct ath10k *ar, struct sk_buff *skb) diff --git a/drivers/net/wireless/ath/ath6kl/main.c b/drivers/net/wireless/ath/ath6kl/main.c index 1af3fed5a72c..1a6851827968 100644 --- a/drivers/net/wireless/ath/ath6kl/main.c +++ b/drivers/net/wireless/ath/ath6kl/main.c @@ -430,6 +430,9 @@ void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, ath6kl_dbg(ATH6KL_DBG_TRC, "new station %pM aid=%d\n", mac_addr, aid); + if (aid < 1 || aid > AP_MAX_NUM_STA) + return; + if (assoc_req_len > sizeof(struct ieee80211_hdr_3addr)) { struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) assoc_info; diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c index b2ec254f154e..7e1010475cfb 100644 --- a/drivers/net/wireless/ath/ath6kl/wmi.c +++ b/drivers/net/wireless/ath/ath6kl/wmi.c @@ -2644,6 +2644,11 @@ int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class, return -EINVAL; } + if (tsid >= 16) { + ath6kl_err("invalid tsid: %d\n", tsid); + return -EINVAL; + } + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); if (!skb) return -ENOMEM; diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index a660e40f2df1..70b5dbe9de6a 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -178,7 +178,8 @@ struct ath_frame_info { s8 txq; u8 keyix; u8 rtscts_rate; - u8 retries : 7; + u8 retries : 6; + u8 dyn_smps : 1; u8 baw_tracked : 1; u8 tx_power; enum ath9k_key_type keytype:2; diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 76d91859cfde..75072a8f8cf4 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -445,10 +445,19 @@ static void hif_usb_stop(void *hif_handle) spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags); /* The pending URBs have to be canceled. */ + spin_lock_irqsave(&hif_dev->tx.tx_lock, flags); list_for_each_entry_safe(tx_buf, tx_buf_tmp, &hif_dev->tx.tx_pending, list) { + usb_get_urb(tx_buf->urb); + spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags); usb_kill_urb(tx_buf->urb); + list_del(&tx_buf->list); + usb_free_urb(tx_buf->urb); + kfree(tx_buf->buf); + kfree(tx_buf); + spin_lock_irqsave(&hif_dev->tx.tx_lock, flags); } + spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags); usb_kill_anchored_urbs(&hif_dev->mgmt_submitted); } @@ -758,27 +767,37 @@ static void ath9k_hif_usb_dealloc_tx_urbs(struct hif_device_usb *hif_dev) struct tx_buf *tx_buf = NULL, *tx_buf_tmp = NULL; unsigned long flags; + spin_lock_irqsave(&hif_dev->tx.tx_lock, flags); list_for_each_entry_safe(tx_buf, tx_buf_tmp, &hif_dev->tx.tx_buf, list) { + usb_get_urb(tx_buf->urb); + spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags); usb_kill_urb(tx_buf->urb); list_del(&tx_buf->list); usb_free_urb(tx_buf->urb); kfree(tx_buf->buf); kfree(tx_buf); + spin_lock_irqsave(&hif_dev->tx.tx_lock, flags); } + spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags); spin_lock_irqsave(&hif_dev->tx.tx_lock, flags); hif_dev->tx.flags |= HIF_USB_TX_FLUSH; spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags); + spin_lock_irqsave(&hif_dev->tx.tx_lock, flags); list_for_each_entry_safe(tx_buf, tx_buf_tmp, &hif_dev->tx.tx_pending, list) { + usb_get_urb(tx_buf->urb); + spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags); usb_kill_urb(tx_buf->urb); list_del(&tx_buf->list); usb_free_urb(tx_buf->urb); kfree(tx_buf->buf); kfree(tx_buf); + spin_lock_irqsave(&hif_dev->tx.tx_lock, flags); } + spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags); usb_kill_anchored_urbs(&hif_dev->mgmt_submitted); } diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index 3932e3d14f3d..379e843fbe0d 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -246,7 +246,7 @@ static unsigned int ath9k_regread(void *hw_priv, u32 reg_offset) if (unlikely(r)) { ath_dbg(common, WMI, "REGISTER READ FAILED: (0x%04x, %d)\n", reg_offset, r); - return -EIO; + return -1; } return be32_to_cpu(val); diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c index 91d199481a37..64ff52eed9f5 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c @@ -972,7 +972,7 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv, struct ath_htc_rx_status *rxstatus; struct ath_rx_status rx_stats; bool decrypt_error = false; - __be16 rs_datalen; + u16 rs_datalen; bool is_phyerr; if (skb->len < HTC_RX_FRAME_HEADER_SIZE) { diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c index 1af216aa5ada..625823e45d8f 100644 --- a/drivers/net/wireless/ath/ath9k/htc_hst.c +++ b/drivers/net/wireless/ath/ath9k/htc_hst.c @@ -346,6 +346,8 @@ void ath9k_htc_txcompletion_cb(struct htc_target *htc_handle, if (skb) { htc_hdr = (struct htc_frame_hdr *) skb->data; + if (htc_hdr->endpoint_id >= ARRAY_SIZE(htc_handle->endpoint)) + goto ret; endpoint = &htc_handle->endpoint[htc_hdr->endpoint_id]; skb_pull(skb, sizeof(struct htc_frame_hdr)); diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index d50e2e8bd998..25c3e5d3fe62 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -285,7 +285,7 @@ static bool ath9k_hw_read_revisions(struct ath_hw *ah) srev = REG_READ(ah, AR_SREV); - if (srev == -EIO) { + if (srev == -1) { ath_err(ath9k_hw_common(ah), "Failed to read SREV register"); return false; diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 3e3dac3d7060..94fac5dc1b4a 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1228,6 +1228,11 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, is_40, is_sgi, is_sp); if (rix < 8 && (tx_info->flags & IEEE80211_TX_CTL_STBC)) info->rates[i].RateFlags |= ATH9K_RATESERIES_STBC; + if (rix >= 8 && fi->dyn_smps) { + info->rates[i].RateFlags |= + ATH9K_RATESERIES_RTS_CTS; + info->flags |= ATH9K_TXDESC_CTSENA; + } info->txpower[i] = ath_get_rate_txpower(sc, bf, rix, is_40, false); @@ -2114,6 +2119,7 @@ static void setup_frame_info(struct ieee80211_hw *hw, fi->keyix = an->ps_key; else fi->keyix = ATH9K_TXKEYIX_INVALID; + fi->dyn_smps = sta && sta->smps_mode == IEEE80211_SMPS_DYNAMIC; fi->keytype = keytype; fi->framelen = framelen; fi->tx_power = txpower; diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index a27279c2c695..274d114962e8 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -156,7 +156,7 @@ static struct ieee80211_supported_band wcn_band_5ghz = { .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, .mcs = { .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, - .rx_highest = cpu_to_le16(72), + .rx_highest = cpu_to_le16(150), .tx_params = IEEE80211_HT_MCS_TX_DEFINED, } } diff --git a/drivers/net/wireless/ath/wil6210/Kconfig b/drivers/net/wireless/ath/wil6210/Kconfig index 6dfedc8bd6a3..7df13a684d2d 100644 --- a/drivers/net/wireless/ath/wil6210/Kconfig +++ b/drivers/net/wireless/ath/wil6210/Kconfig @@ -1,6 +1,7 @@ config WIL6210 tristate "Wilocity 60g WiFi card wil6210 support" select WANT_DEV_COREDUMP + select CRC32 depends on CFG80211 depends on PCI default n diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 9f0bcf3b8414..fa847ae5b527 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -5320,7 +5320,7 @@ static void b43_nphy_restore_cal(struct b43_wldev *dev) for (i = 0; i < 4; i++) { if (dev->phy.rev >= 3) - table[i] = coef[i]; + coef[i] = table[i]; else coef[i] = 0; } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c index f944f356d9c5..cacb43573f57 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c @@ -1530,6 +1530,8 @@ fail: BRCMF_TX_IOCTL_MAX_MSG_SIZE, msgbuf->ioctbuf, msgbuf->ioctbuf_handle); + if (msgbuf->txflow_wq) + destroy_workqueue(msgbuf->txflow_wq); kfree(msgbuf); } return -ENOMEM; diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c index 93d4cde0eb31..c9f48ec46f4a 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c @@ -5090,8 +5090,10 @@ bool wlc_phy_attach_lcnphy(struct brcms_phy *pi) pi->pi_fptr.radioloftget = wlc_lcnphy_get_radio_loft; pi->pi_fptr.detach = wlc_phy_detach_lcnphy; - if (!wlc_phy_txpwr_srom_read_lcnphy(pi)) + if (!wlc_phy_txpwr_srom_read_lcnphy(pi)) { + kfree(pi->u.pi_lcnphy); return false; + } if (LCNREV_IS(pi->pubpi.phy_rev, 1)) { if (pi_lcn->lcnphy_tempsense_option == 3) { diff --git a/drivers/net/wireless/cw1200/main.c b/drivers/net/wireless/cw1200/main.c index 317daa968e03..057725b06f64 100644 --- a/drivers/net/wireless/cw1200/main.c +++ b/drivers/net/wireless/cw1200/main.c @@ -385,6 +385,7 @@ static struct ieee80211_hw *cw1200_init_common(const u8 *macaddr, CW1200_LINK_ID_MAX, cw1200_skb_dtor, priv)) { + destroy_workqueue(priv->workqueue); ieee80211_free_hw(hw); return NULL; } @@ -396,6 +397,7 @@ static struct ieee80211_hw *cw1200_init_common(const u8 *macaddr, for (; i > 0; i--) cw1200_queue_deinit(&priv->tx_queue[i - 1]); cw1200_queue_stats_deinit(&priv->tx_queue_stats); + destroy_workqueue(priv->workqueue); ieee80211_free_hw(hw); return NULL; } diff --git a/drivers/net/wireless/ipw2x00/libipw_wx.c b/drivers/net/wireless/ipw2x00/libipw_wx.c index dd29f46d086b..028b37ba9425 100644 --- a/drivers/net/wireless/ipw2x00/libipw_wx.c +++ b/drivers/net/wireless/ipw2x00/libipw_wx.c @@ -649,8 +649,10 @@ int libipw_wx_set_encodeext(struct libipw_device *ieee, } if (ext->alg != IW_ENCODE_ALG_NONE) { - memcpy(sec.keys[idx], ext->key, ext->key_len); - sec.key_sizes[idx] = ext->key_len; + int key_len = clamp_val(ext->key_len, 0, SCM_KEY_LEN); + + memcpy(sec.keys[idx], ext->key, key_len); + sec.key_sizes[idx] = key_len; sec.flags |= (1 << idx); if (ext->alg == IW_ENCODE_ALG_WEP) { sec.encode_alg[idx] = SEC_ALG_WEP; diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index 13c97f665ba8..bb81261de45f 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -909,6 +909,7 @@ static void iwl_mvm_reprobe_wk(struct work_struct *wk) reprobe = container_of(wk, struct iwl_mvm_reprobe, work); if (device_reprobe(reprobe->dev)) dev_err(reprobe->dev, "reprobe failed!\n"); + put_device(reprobe->dev); kfree(reprobe); module_put(THIS_MODULE); } @@ -991,7 +992,7 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) module_put(THIS_MODULE); return; } - reprobe->dev = mvm->trans->dev; + reprobe->dev = get_device(mvm->trans->dev); INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); schedule_work(&reprobe->work); } else if (mvm->cur_ucode == IWL_UCODE_REGULAR) { diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c index 8dfe6b2bc703..b020bd6adaf2 100644 --- a/drivers/net/wireless/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/iwlwifi/pcie/tx.c @@ -583,7 +583,14 @@ static void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_txq *txq = &trans_pcie->txq[txq_id]; - struct iwl_queue *q = &txq->q; + struct iwl_queue *q; + + if (!txq) { + IWL_ERR(trans, "Trying to free a queue that wasn't allocated?\n"); + return; + } + + q = &txq->q; spin_lock_bh(&txq->lock); while (q->write_ptr != q->read_ptr) { @@ -1334,6 +1341,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, u32 cmd_pos; const u8 *cmddata[IWL_MAX_CMD_TBS_PER_TFD]; u16 cmdlen[IWL_MAX_CMD_TBS_PER_TFD]; + unsigned long flags2; if (WARN(!trans_pcie->wide_cmd_header && group_id > IWL_ALWAYS_LONG_GROUP, @@ -1416,10 +1424,10 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, goto free_dup_buf; } - spin_lock_bh(&txq->lock); + spin_lock_irqsave(&txq->lock, flags2); if (iwl_queue_space(q) < ((cmd->flags & CMD_ASYNC) ? 2 : 1)) { - spin_unlock_bh(&txq->lock); + spin_unlock_irqrestore(&txq->lock, flags2); IWL_ERR(trans, "No space in command queue\n"); iwl_op_mode_cmd_queue_full(trans->op_mode); @@ -1581,7 +1589,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, spin_unlock_irqrestore(&trans_pcie->reg_lock, flags); out: - spin_unlock_bh(&txq->lock); + spin_unlock_irqrestore(&txq->lock, flags2); free_dup_buf: if (idx < 0) kfree(dup_buf); diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c index 33ceda296c9c..45d68ee682f6 100644 --- a/drivers/net/wireless/libertas/if_sdio.c +++ b/drivers/net/wireless/libertas/if_sdio.c @@ -1229,6 +1229,10 @@ static int if_sdio_probe(struct sdio_func *func, spin_lock_init(&card->lock); card->workqueue = create_workqueue("libertas_sdio"); + if (unlikely(!card->workqueue)) { + ret = -ENOMEM; + goto err_queue; + } INIT_WORK(&card->packet_worker, if_sdio_host_to_card_worker); init_waitqueue_head(&card->pwron_waitq); @@ -1282,6 +1286,7 @@ err_activate_card: lbs_remove_card(priv); free: destroy_workqueue(card->workqueue); +err_queue: while (card->packets) { packet = card->packets; card->packets = card->packets->next; diff --git a/drivers/net/wireless/libertas/mesh.c b/drivers/net/wireless/libertas/mesh.c index d0c881dd5846..f1e9cbcfdc16 100644 --- a/drivers/net/wireless/libertas/mesh.c +++ b/drivers/net/wireless/libertas/mesh.c @@ -797,19 +797,6 @@ static const struct attribute_group mesh_ie_group = { .attrs = mesh_ie_attrs, }; -static void lbs_persist_config_init(struct net_device *dev) -{ - int ret; - ret = sysfs_create_group(&(dev->dev.kobj), &boot_opts_group); - ret = sysfs_create_group(&(dev->dev.kobj), &mesh_ie_group); -} - -static void lbs_persist_config_remove(struct net_device *dev) -{ - sysfs_remove_group(&(dev->dev.kobj), &boot_opts_group); - sysfs_remove_group(&(dev->dev.kobj), &mesh_ie_group); -} - /*************************************************************************** * Initializing and starting, stopping mesh @@ -1021,6 +1008,10 @@ static int lbs_add_mesh(struct lbs_private *priv) SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent); mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST; + mesh_dev->sysfs_groups[0] = &lbs_mesh_attr_group; + mesh_dev->sysfs_groups[1] = &boot_opts_group; + mesh_dev->sysfs_groups[2] = &mesh_ie_group; + /* Register virtual mesh interface */ ret = register_netdev(mesh_dev); if (ret) { @@ -1028,19 +1019,10 @@ static int lbs_add_mesh(struct lbs_private *priv) goto err_free_netdev; } - ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); - if (ret) - goto err_unregister; - - lbs_persist_config_init(mesh_dev); - /* Everything successful */ ret = 0; goto done; -err_unregister: - unregister_netdev(mesh_dev); - err_free_netdev: free_netdev(mesh_dev); @@ -1063,8 +1045,6 @@ void lbs_remove_mesh(struct lbs_private *priv) lbs_deb_enter(LBS_DEB_MESH); netif_stop_queue(mesh_dev); netif_carrier_off(mesh_dev); - sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); - lbs_persist_config_remove(mesh_dev); unregister_netdev(mesh_dev); priv->mesh_dev = NULL; kfree(mesh_dev->ieee80211_ptr); diff --git a/drivers/net/wireless/mediatek/mt7601u/dma.c b/drivers/net/wireless/mediatek/mt7601u/dma.c index 3d0b9324d5bf..970aaf2ed3a7 100644 --- a/drivers/net/wireless/mediatek/mt7601u/dma.c +++ b/drivers/net/wireless/mediatek/mt7601u/dma.c @@ -160,8 +160,7 @@ mt7601u_rx_process_entry(struct mt7601u_dev *dev, struct mt7601u_dma_buf_rx *e) if (new_p) { /* we have one extra ref from the allocator */ - __free_pages(e->p, MT_RX_ORDER); - + put_page(e->p); e->p = new_p; } } @@ -318,7 +317,6 @@ static int mt7601u_dma_submit_tx(struct mt7601u_dev *dev, } e = &q->e[q->end]; - e->skb = skb; usb_fill_bulk_urb(e->urb, usb_dev, snd_pipe, skb->data, skb->len, mt7601u_complete_tx, q); ret = usb_submit_urb(e->urb, GFP_ATOMIC); @@ -336,6 +334,7 @@ static int mt7601u_dma_submit_tx(struct mt7601u_dev *dev, q->end = (q->end + 1) % q->entries; q->used++; + e->skb = skb; if (q->used >= q->entries) ieee80211_stop_queue(dev->hw, skb_get_queue_mapping(skb)); diff --git a/drivers/net/wireless/mediatek/mt7601u/eeprom.c b/drivers/net/wireless/mediatek/mt7601u/eeprom.c index 8d8ee0344f7b..7b917c4613ad 100644 --- a/drivers/net/wireless/mediatek/mt7601u/eeprom.c +++ b/drivers/net/wireless/mediatek/mt7601u/eeprom.c @@ -106,7 +106,7 @@ mt7601u_has_tssi(struct mt7601u_dev *dev, u8 *eeprom) { u16 nic_conf1 = get_unaligned_le16(eeprom + MT_EE_NIC_CONF_1); - return ~nic_conf1 && (nic_conf1 & MT_EE_NIC_CONF_1_TX_ALC_EN); + return (u16)~nic_conf1 && (nic_conf1 & MT_EE_NIC_CONF_1_TX_ALC_EN); } static void diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c index 6378dfd3b4e8..83b7cd5bdf93 100644 --- a/drivers/net/wireless/mwifiex/join.c +++ b/drivers/net/wireless/mwifiex/join.c @@ -856,6 +856,8 @@ mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv, memset(adhoc_start->ssid, 0, IEEE80211_MAX_SSID_LEN); + if (req_ssid->ssid_len > IEEE80211_MAX_SSID_LEN) + req_ssid->ssid_len = IEEE80211_MAX_SSID_LEN; memcpy(adhoc_start->ssid, req_ssid->ssid, req_ssid->ssid_len); mwifiex_dbg(adapter, INFO, "info: ADHOC_S_CMD: SSID = %s\n", diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c index e7c8972431d3..e54dd4b7face 100644 --- a/drivers/net/wireless/mwifiex/scan.c +++ b/drivers/net/wireless/mwifiex/scan.c @@ -1862,7 +1862,7 @@ mwifiex_parse_single_response_buf(struct mwifiex_private *priv, u8 **bss_info, chan, CFG80211_BSS_FTYPE_UNKNOWN, bssid, timestamp, cap_info_bitmap, beacon_period, - ie_buf, ie_len, rssi, GFP_KERNEL); + ie_buf, ie_len, rssi, GFP_ATOMIC); if (bss) { bss_priv = (struct mwifiex_bss_priv *)bss->priv; bss_priv->band = band; diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c index 78a8474e1a3d..abfe4e8700ed 100644 --- a/drivers/net/wireless/mwifiex/sdio.c +++ b/drivers/net/wireless/mwifiex/sdio.c @@ -1928,6 +1928,8 @@ error: kfree(card->mpa_rx.buf); card->mpa_tx.buf_size = 0; card->mpa_rx.buf_size = 0; + card->mpa_tx.buf = NULL; + card->mpa_rx.buf = NULL; } return ret; diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index 088429d0a634..d448480b8406 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -1459,6 +1459,7 @@ static int mwl8k_txq_init(struct ieee80211_hw *hw, int index) txq->skb = kcalloc(MWL8K_TX_DESCS, sizeof(*txq->skb), GFP_KERNEL); if (txq->skb == NULL) { pci_free_consistent(priv->pdev, size, txq->txd, txq->txd_dma); + txq->txd = NULL; return -ENOMEM; } diff --git a/drivers/net/wireless/orinoco/orinoco_usb.c b/drivers/net/wireless/orinoco/orinoco_usb.c index 3c5baccd6792..8eb73d54b1d6 100644 --- a/drivers/net/wireless/orinoco/orinoco_usb.c +++ b/drivers/net/wireless/orinoco/orinoco_usb.c @@ -1224,13 +1224,6 @@ static netdev_tx_t ezusb_xmit(struct sk_buff *skb, struct net_device *dev) if (skb->len < ETH_HLEN) goto drop; - ctx = ezusb_alloc_ctx(upriv, EZUSB_RID_TX, 0); - if (!ctx) - goto busy; - - memset(ctx->buf, 0, BULK_BUF_SIZE); - buf = ctx->buf->data; - tx_control = 0; err = orinoco_process_xmit_skb(skb, dev, priv, &tx_control, @@ -1238,6 +1231,13 @@ static netdev_tx_t ezusb_xmit(struct sk_buff *skb, struct net_device *dev) if (err) goto drop; + ctx = ezusb_alloc_ctx(upriv, EZUSB_RID_TX, 0); + if (!ctx) + goto drop; + + memset(ctx->buf, 0, BULK_BUF_SIZE); + buf = ctx->buf->data; + { __le16 *tx_cntl = (__le16 *)buf; *tx_cntl = cpu_to_le16(tx_control); diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c index 8254d4b22c50..b8d387edde65 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c @@ -5135,7 +5135,6 @@ static int rtl8xxxu_submit_int_urb(struct ieee80211_hw *hw) ret = usb_submit_urb(urb, GFP_KERNEL); if (ret) { usb_unanchor_urb(urb); - usb_free_urb(urb); goto error; } @@ -5144,6 +5143,7 @@ static int rtl8xxxu_submit_int_urb(struct ieee80211_hw *hw) rtl8xxxu_write32(priv, REG_USB_HIMR, val32); error: + usb_free_urb(urb); return ret; } @@ -5424,6 +5424,7 @@ static int rtl8xxxu_start(struct ieee80211_hw *hw) struct rtl8xxxu_priv *priv = hw->priv; struct rtl8xxxu_rx_urb *rx_urb; struct rtl8xxxu_tx_urb *tx_urb; + struct sk_buff *skb; unsigned long flags; int ret, i; @@ -5472,6 +5473,13 @@ static int rtl8xxxu_start(struct ieee80211_hw *hw) rx_urb->hw = hw; ret = rtl8xxxu_submit_rx_urb(priv, rx_urb); + if (ret) { + if (ret != -ENOMEM) { + skb = (struct sk_buff *)rx_urb->urb.context; + dev_kfree_skb(skb); + } + rtl8xxxu_queue_rx_urb(priv, rx_urb); + } } exit: /* diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c index 5013d8c1d4a6..57a0c1f24f53 100644 --- a/drivers/net/wireless/realtek/rtlwifi/base.c +++ b/drivers/net/wireless/realtek/rtlwifi/base.c @@ -454,9 +454,14 @@ static void _rtl_init_mac80211(struct ieee80211_hw *hw) } } -static void _rtl_init_deferred_work(struct ieee80211_hw *hw) +static int _rtl_init_deferred_work(struct ieee80211_hw *hw) { struct rtl_priv *rtlpriv = rtl_priv(hw); + struct workqueue_struct *wq; + + wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name); + if (!wq) + return -ENOMEM; /* <1> timer */ setup_timer(&rtlpriv->works.watchdog_timer, @@ -465,11 +470,7 @@ static void _rtl_init_deferred_work(struct ieee80211_hw *hw) rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw); /* <2> work queue */ rtlpriv->works.hw = hw; - rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name); - if (unlikely(!rtlpriv->works.rtl_wq)) { - pr_err("Failed to allocate work queue\n"); - return; - } + rtlpriv->works.rtl_wq = wq; INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq, (void *)rtl_watchdog_wq_callback); @@ -481,7 +482,7 @@ static void _rtl_init_deferred_work(struct ieee80211_hw *hw) (void *)rtl_swlps_rfon_wq_callback); INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq, (void *)rtl_fwevt_wq_callback); - + return 0; } void rtl_deinit_deferred_work(struct ieee80211_hw *hw) @@ -573,9 +574,7 @@ int rtl_init_core(struct ieee80211_hw *hw) rtlmac->link_state = MAC80211_NOLINK; /* <6> init deferred work */ - _rtl_init_deferred_work(hw); - - return 0; + return _rtl_init_deferred_work(hw); } EXPORT_SYMBOL_GPL(rtl_init_core); diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index af0fe2e17151..e4b28d37046a 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -647,7 +647,6 @@ static int wl12xx_identify_chip(struct wl1271 *wl) wl->quirks |= WLCORE_QUIRK_LEGACY_NVS | WLCORE_QUIRK_DUAL_PROBE_TMPL | WLCORE_QUIRK_TKIP_HEADER_SPACE | - WLCORE_QUIRK_START_STA_FAILS | WLCORE_QUIRK_AP_ZERO_SESSION_ID; wl->sr_fw_name = WL127X_FW_NAME_SINGLE; wl->mr_fw_name = WL127X_FW_NAME_MULTI; @@ -671,7 +670,6 @@ static int wl12xx_identify_chip(struct wl1271 *wl) wl->quirks |= WLCORE_QUIRK_LEGACY_NVS | WLCORE_QUIRK_DUAL_PROBE_TMPL | WLCORE_QUIRK_TKIP_HEADER_SPACE | - WLCORE_QUIRK_START_STA_FAILS | WLCORE_QUIRK_AP_ZERO_SESSION_ID; wl->plt_fw_name = WL127X_PLT_FW_NAME; wl->sr_fw_name = WL127X_FW_NAME_SINGLE; @@ -700,7 +698,6 @@ static int wl12xx_identify_chip(struct wl1271 *wl) wl->quirks |= WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN | WLCORE_QUIRK_DUAL_PROBE_TMPL | WLCORE_QUIRK_TKIP_HEADER_SPACE | - WLCORE_QUIRK_START_STA_FAILS | WLCORE_QUIRK_AP_ZERO_SESSION_ID; wlcore_set_min_fw_ver(wl, WL128X_CHIP_VER, diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index cc10b72607c6..3f61289ce036 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -2889,21 +2889,8 @@ static int wlcore_join(struct wl1271 *wl, struct wl12xx_vif *wlvif) if (is_ibss) ret = wl12xx_cmd_role_start_ibss(wl, wlvif); - else { - if (wl->quirks & WLCORE_QUIRK_START_STA_FAILS) { - /* - * TODO: this is an ugly workaround for wl12xx fw - * bug - we are not able to tx/rx after the first - * start_sta, so make dummy start+stop calls, - * and then call start_sta again. - * this should be fixed in the fw. - */ - wl12xx_cmd_role_start_sta(wl, wlvif); - wl12xx_cmd_role_stop_sta(wl, wlvif); - } - + else ret = wl12xx_cmd_role_start_sta(wl, wlvif); - } return ret; } diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 906be6aa4eb6..a0647d4384d2 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -556,9 +556,6 @@ wlcore_set_min_fw_ver(struct wl1271 *wl, unsigned int chip, /* Each RX/TX transaction requires an end-of-transaction transfer */ #define WLCORE_QUIRK_END_OF_TRANSACTION BIT(0) -/* the first start_role(sta) sometimes doesn't work on wl12xx */ -#define WLCORE_QUIRK_START_STA_FAILS BIT(1) - /* wl127x and SPI don't support SDIO block size alignment */ #define WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN BIT(2) diff --git a/drivers/net/wireless/wl3501.h b/drivers/net/wireless/wl3501.h index 3fbfd19818f1..ca2021bcac14 100644 --- a/drivers/net/wireless/wl3501.h +++ b/drivers/net/wireless/wl3501.h @@ -378,16 +378,7 @@ struct wl3501_get_confirm { u8 mib_value[100]; }; -struct wl3501_join_req { - u16 next_blk; - u8 sig_id; - u8 reserved; - struct iw_mgmt_data_rset operational_rset; - u16 reserved2; - u16 timeout; - u16 probe_delay; - u8 timestamp[8]; - u8 local_time[8]; +struct wl3501_req { u16 beacon_period; u16 dtim_period; u16 cap_info; @@ -400,6 +391,19 @@ struct wl3501_join_req { struct iw_mgmt_data_rset bss_basic_rset; }; +struct wl3501_join_req { + u16 next_blk; + u8 sig_id; + u8 reserved; + struct iw_mgmt_data_rset operational_rset; + u16 reserved2; + u16 timeout; + u16 probe_delay; + u8 timestamp[8]; + u8 local_time[8]; + struct wl3501_req req; +}; + struct wl3501_join_confirm { u16 next_blk; u8 sig_id; @@ -442,16 +446,7 @@ struct wl3501_scan_confirm { u16 status; char timestamp[8]; char localtime[8]; - u16 beacon_period; - u16 dtim_period; - u16 cap_info; - u8 bss_type; - u8 bssid[ETH_ALEN]; - struct iw_mgmt_essid_pset ssid; - struct iw_mgmt_ds_pset ds_pset; - struct iw_mgmt_cf_pset cf_pset; - struct iw_mgmt_ibss_pset ibss_pset; - struct iw_mgmt_data_rset bss_basic_rset; + struct wl3501_req req; u8 rssi; }; @@ -470,8 +465,10 @@ struct wl3501_md_req { u16 size; u8 pri; u8 service_class; - u8 daddr[ETH_ALEN]; - u8 saddr[ETH_ALEN]; + struct { + u8 daddr[ETH_ALEN]; + u8 saddr[ETH_ALEN]; + } addr; }; struct wl3501_md_ind { @@ -483,8 +480,10 @@ struct wl3501_md_ind { u8 reception; u8 pri; u8 service_class; - u8 daddr[ETH_ALEN]; - u8 saddr[ETH_ALEN]; + struct { + u8 daddr[ETH_ALEN]; + u8 saddr[ETH_ALEN]; + } addr; }; struct wl3501_md_confirm { diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c index d5c371d77ddf..f91f7bd90b85 100644 --- a/drivers/net/wireless/wl3501_cs.c +++ b/drivers/net/wireless/wl3501_cs.c @@ -457,6 +457,7 @@ static int wl3501_send_pkt(struct wl3501_card *this, u8 *data, u16 len) struct wl3501_md_req sig = { .sig_id = WL3501_SIG_MD_REQ, }; + size_t sig_addr_len = sizeof(sig.addr); u8 *pdata = (char *)data; int rc = -EIO; @@ -472,9 +473,9 @@ static int wl3501_send_pkt(struct wl3501_card *this, u8 *data, u16 len) goto out; } rc = 0; - memcpy(&sig.daddr[0], pdata, 12); - pktlen = len - 12; - pdata += 12; + memcpy(&sig.addr, pdata, sig_addr_len); + pktlen = len - sig_addr_len; + pdata += sig_addr_len; sig.data = bf; if (((*pdata) * 256 + (*(pdata + 1))) > 1500) { u8 addr4[ETH_ALEN] = { @@ -577,7 +578,7 @@ static int wl3501_mgmt_join(struct wl3501_card *this, u16 stas) struct wl3501_join_req sig = { .sig_id = WL3501_SIG_JOIN_REQ, .timeout = 10, - .ds_pset = { + .req.ds_pset = { .el = { .id = IW_MGMT_INFO_ELEMENT_DS_PARAMETER_SET, .len = 1, @@ -586,7 +587,7 @@ static int wl3501_mgmt_join(struct wl3501_card *this, u16 stas) }, }; - memcpy(&sig.beacon_period, &this->bss_set[stas].beacon_period, 72); + memcpy(&sig.req, &this->bss_set[stas].req, sizeof(sig.req)); return wl3501_esbq_exec(this, &sig, sizeof(sig)); } @@ -654,35 +655,37 @@ static void wl3501_mgmt_scan_confirm(struct wl3501_card *this, u16 addr) if (sig.status == WL3501_STATUS_SUCCESS) { pr_debug("success"); if ((this->net_type == IW_MODE_INFRA && - (sig.cap_info & WL3501_MGMT_CAPABILITY_ESS)) || + (sig.req.cap_info & WL3501_MGMT_CAPABILITY_ESS)) || (this->net_type == IW_MODE_ADHOC && - (sig.cap_info & WL3501_MGMT_CAPABILITY_IBSS)) || + (sig.req.cap_info & WL3501_MGMT_CAPABILITY_IBSS)) || this->net_type == IW_MODE_AUTO) { if (!this->essid.el.len) matchflag = 1; else if (this->essid.el.len == 3 && !memcmp(this->essid.essid, "ANY", 3)) matchflag = 1; - else if (this->essid.el.len != sig.ssid.el.len) + else if (this->essid.el.len != sig.req.ssid.el.len) matchflag = 0; - else if (memcmp(this->essid.essid, sig.ssid.essid, + else if (memcmp(this->essid.essid, sig.req.ssid.essid, this->essid.el.len)) matchflag = 0; else matchflag = 1; if (matchflag) { for (i = 0; i < this->bss_cnt; i++) { - if (ether_addr_equal_unaligned(this->bss_set[i].bssid, sig.bssid)) { + if (ether_addr_equal_unaligned(this->bss_set[i].req.bssid, + sig.req.bssid)) { matchflag = 0; break; } } } if (matchflag && (i < 20)) { - memcpy(&this->bss_set[i].beacon_period, - &sig.beacon_period, 73); + memcpy(&this->bss_set[i].req, + &sig.req, sizeof(sig.req)); this->bss_cnt++; this->rssi = sig.rssi; + this->bss_set[i].rssi = sig.rssi; } } } else if (sig.status == WL3501_STATUS_TIMEOUT) { @@ -874,19 +877,19 @@ static void wl3501_mgmt_join_confirm(struct net_device *dev, u16 addr) if (this->join_sta_bss < this->bss_cnt) { const int i = this->join_sta_bss; memcpy(this->bssid, - this->bss_set[i].bssid, ETH_ALEN); - this->chan = this->bss_set[i].ds_pset.chan; + this->bss_set[i].req.bssid, ETH_ALEN); + this->chan = this->bss_set[i].req.ds_pset.chan; iw_copy_mgmt_info_element(&this->keep_essid.el, - &this->bss_set[i].ssid.el); + &this->bss_set[i].req.ssid.el); wl3501_mgmt_auth(this); } } else { const int i = this->join_sta_bss; - memcpy(&this->bssid, &this->bss_set[i].bssid, ETH_ALEN); - this->chan = this->bss_set[i].ds_pset.chan; + memcpy(&this->bssid, &this->bss_set[i].req.bssid, ETH_ALEN); + this->chan = this->bss_set[i].req.ds_pset.chan; iw_copy_mgmt_info_element(&this->keep_essid.el, - &this->bss_set[i].ssid.el); + &this->bss_set[i].req.ssid.el); wl3501_online(dev); } } else { @@ -968,7 +971,8 @@ static inline void wl3501_md_ind_interrupt(struct net_device *dev, } else { skb->dev = dev; skb_reserve(skb, 2); /* IP headers on 16 bytes boundaries */ - skb_copy_to_linear_data(skb, (unsigned char *)&sig.daddr, 12); + skb_copy_to_linear_data(skb, (unsigned char *)&sig.addr, + sizeof(sig.addr)); wl3501_receive(this, skb->data, pkt_len); skb_put(skb, pkt_len); skb->protocol = eth_type_trans(skb, dev); @@ -1564,30 +1568,30 @@ static int wl3501_get_scan(struct net_device *dev, struct iw_request_info *info, for (i = 0; i < this->bss_cnt; ++i) { iwe.cmd = SIOCGIWAP; iwe.u.ap_addr.sa_family = ARPHRD_ETHER; - memcpy(iwe.u.ap_addr.sa_data, this->bss_set[i].bssid, ETH_ALEN); + memcpy(iwe.u.ap_addr.sa_data, this->bss_set[i].req.bssid, ETH_ALEN); current_ev = iwe_stream_add_event(info, current_ev, extra + IW_SCAN_MAX_DATA, &iwe, IW_EV_ADDR_LEN); iwe.cmd = SIOCGIWESSID; iwe.u.data.flags = 1; - iwe.u.data.length = this->bss_set[i].ssid.el.len; + iwe.u.data.length = this->bss_set[i].req.ssid.el.len; current_ev = iwe_stream_add_point(info, current_ev, extra + IW_SCAN_MAX_DATA, &iwe, - this->bss_set[i].ssid.essid); + this->bss_set[i].req.ssid.essid); iwe.cmd = SIOCGIWMODE; - iwe.u.mode = this->bss_set[i].bss_type; + iwe.u.mode = this->bss_set[i].req.bss_type; current_ev = iwe_stream_add_event(info, current_ev, extra + IW_SCAN_MAX_DATA, &iwe, IW_EV_UINT_LEN); iwe.cmd = SIOCGIWFREQ; - iwe.u.freq.m = this->bss_set[i].ds_pset.chan; + iwe.u.freq.m = this->bss_set[i].req.ds_pset.chan; iwe.u.freq.e = 0; current_ev = iwe_stream_add_event(info, current_ev, extra + IW_SCAN_MAX_DATA, &iwe, IW_EV_FREQ_LEN); iwe.cmd = SIOCGIWENCODE; - if (this->bss_set[i].cap_info & WL3501_MGMT_CAPABILITY_PRIVACY) + if (this->bss_set[i].req.cap_info & WL3501_MGMT_CAPABILITY_PRIVACY) iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; else iwe.u.data.flags = IW_ENCODE_DISABLED; diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 34173b5e886f..53c2fa244c64 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -137,6 +137,20 @@ struct xenvif_queue { /* Per-queue data for xenvif */ char name[QUEUE_NAME_SIZE]; /* DEVNAME-qN */ struct xenvif *vif; /* Parent VIF */ + /* + * TX/RX common EOI handling. + * When feature-split-event-channels = 0, interrupt handler sets + * NETBK_COMMON_EOI, otherwise NETBK_RX_EOI and NETBK_TX_EOI are set + * by the RX and TX interrupt handlers. + * RX and TX handler threads will issue an EOI when either + * NETBK_COMMON_EOI or their specific bits (NETBK_RX_EOI or + * NETBK_TX_EOI) are set and they will reset those bits. + */ + atomic_t eoi_pending; +#define NETBK_RX_EOI 0x01 +#define NETBK_TX_EOI 0x02 +#define NETBK_COMMON_EOI 0x04 + /* Use NAPI for guest TX */ struct napi_struct napi; /* When feature-split-event-channels = 0, tx_irq = rx_irq. */ @@ -317,6 +331,7 @@ void xenvif_kick_thread(struct xenvif_queue *queue); int xenvif_dealloc_kthread(void *data); +bool xenvif_have_rx_work(struct xenvif_queue *queue, bool test_kthread); void xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb); void xenvif_carrier_on(struct xenvif *vif); @@ -353,4 +368,28 @@ void xenvif_skb_zerocopy_complete(struct xenvif_queue *queue); bool xenvif_mcast_match(struct xenvif *vif, const u8 *addr); void xenvif_mcast_addr_list_free(struct xenvif *vif); +#include <linux/atomic.h> + +static inline int xenvif_atomic_fetch_or(int i, atomic_t *v) +{ + int c, old; + + c = v->counter; + while ((old = cmpxchg(&v->counter, c, c | i)) != c) + c = old; + + return c; +} + +static inline int xenvif_atomic_fetch_andnot(int i, atomic_t *v) +{ + int c, old; + + c = v->counter; + while ((old = cmpxchg(&v->counter, c, c & ~i)) != c) + c = old; + + return c; +} + #endif /* __XEN_NETBACK__COMMON_H__ */ diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 2008c6a02b8a..93f7659e7595 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -76,12 +76,28 @@ int xenvif_schedulable(struct xenvif *vif) !vif->disabled; } +static bool xenvif_handle_tx_interrupt(struct xenvif_queue *queue) +{ + bool rc; + + rc = RING_HAS_UNCONSUMED_REQUESTS(&queue->tx); + if (rc) + napi_schedule(&queue->napi); + return rc; +} + static irqreturn_t xenvif_tx_interrupt(int irq, void *dev_id) { struct xenvif_queue *queue = dev_id; + int old; - if (RING_HAS_UNCONSUMED_REQUESTS(&queue->tx)) - napi_schedule(&queue->napi); + old = xenvif_atomic_fetch_or(NETBK_TX_EOI, &queue->eoi_pending); + WARN(old & NETBK_TX_EOI, "Interrupt while EOI pending\n"); + + if (!xenvif_handle_tx_interrupt(queue)) { + atomic_andnot(NETBK_TX_EOI, &queue->eoi_pending); + xen_irq_lateeoi(irq, XEN_EOI_FLAG_SPURIOUS); + } return IRQ_HANDLED; } @@ -115,19 +131,48 @@ static int xenvif_poll(struct napi_struct *napi, int budget) return work_done; } +static bool xenvif_handle_rx_interrupt(struct xenvif_queue *queue) +{ + bool rc; + + rc = xenvif_have_rx_work(queue, false); + if (rc) + xenvif_kick_thread(queue); + return rc; +} + static irqreturn_t xenvif_rx_interrupt(int irq, void *dev_id) { struct xenvif_queue *queue = dev_id; + int old; - xenvif_kick_thread(queue); + old = xenvif_atomic_fetch_or(NETBK_RX_EOI, &queue->eoi_pending); + WARN(old & NETBK_RX_EOI, "Interrupt while EOI pending\n"); + + if (!xenvif_handle_rx_interrupt(queue)) { + atomic_andnot(NETBK_RX_EOI, &queue->eoi_pending); + xen_irq_lateeoi(irq, XEN_EOI_FLAG_SPURIOUS); + } return IRQ_HANDLED; } irqreturn_t xenvif_interrupt(int irq, void *dev_id) { - xenvif_tx_interrupt(irq, dev_id); - xenvif_rx_interrupt(irq, dev_id); + struct xenvif_queue *queue = dev_id; + int old; + bool has_rx, has_tx; + + old = xenvif_atomic_fetch_or(NETBK_COMMON_EOI, &queue->eoi_pending); + WARN(old, "Interrupt while EOI pending\n"); + + has_tx = xenvif_handle_tx_interrupt(queue); + has_rx = xenvif_handle_rx_interrupt(queue); + + if (!has_rx && !has_tx) { + atomic_andnot(NETBK_COMMON_EOI, &queue->eoi_pending); + xen_irq_lateeoi(irq, XEN_EOI_FLAG_SPURIOUS); + } return IRQ_HANDLED; } @@ -555,7 +600,7 @@ int xenvif_connect(struct xenvif_queue *queue, unsigned long tx_ring_ref, if (tx_evtchn == rx_evtchn) { /* feature-split-event-channels == 0 */ - err = bind_interdomain_evtchn_to_irqhandler( + err = bind_interdomain_evtchn_to_irqhandler_lateeoi( queue->vif->domid, tx_evtchn, xenvif_interrupt, 0, queue->name, queue); if (err < 0) @@ -566,7 +611,7 @@ int xenvif_connect(struct xenvif_queue *queue, unsigned long tx_ring_ref, /* feature-split-event-channels == 1 */ snprintf(queue->tx_irq_name, sizeof(queue->tx_irq_name), "%s-tx", queue->name); - err = bind_interdomain_evtchn_to_irqhandler( + err = bind_interdomain_evtchn_to_irqhandler_lateeoi( queue->vif->domid, tx_evtchn, xenvif_tx_interrupt, 0, queue->tx_irq_name, queue); if (err < 0) @@ -576,7 +621,7 @@ int xenvif_connect(struct xenvif_queue *queue, unsigned long tx_ring_ref, snprintf(queue->rx_irq_name, sizeof(queue->rx_irq_name), "%s-rx", queue->name); - err = bind_interdomain_evtchn_to_irqhandler( + err = bind_interdomain_evtchn_to_irqhandler_lateeoi( queue->vif->domid, rx_evtchn, xenvif_rx_interrupt, 0, queue->rx_irq_name, queue); if (err < 0) @@ -619,6 +664,7 @@ err_tx_unbind: queue->tx_irq = 0; err_unmap: xenvif_unmap_frontend_rings(queue); + netif_napi_del(&queue->napi); err: return err; } diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 65d37257e033..c8c6afc0ab51 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -670,6 +670,10 @@ void xenvif_napi_schedule_or_enable_events(struct xenvif_queue *queue) if (more_to_do) napi_schedule(&queue->napi); + else if (xenvif_atomic_fetch_andnot(NETBK_TX_EOI | NETBK_COMMON_EOI, + &queue->eoi_pending) & + (NETBK_TX_EOI | NETBK_COMMON_EOI)) + xen_irq_lateeoi(queue->tx_irq, 0); } static void tx_add_credit(struct xenvif_queue *queue) @@ -1793,7 +1797,15 @@ int xenvif_tx_action(struct xenvif_queue *queue, int budget) NULL, queue->pages_to_map, nr_mops); - BUG_ON(ret); + if (ret) { + unsigned int i; + + netdev_err(queue->vif->dev, "Map fail: nr %u ret %d\n", + nr_mops, ret); + for (i = 0; i < nr_mops; ++i) + WARN_ON_ONCE(queue->tx_map_ops[i].status == + GNTST_okay); + } } work_done = xenvif_tx_submit(queue); @@ -2010,14 +2022,14 @@ static bool xenvif_rx_queue_ready(struct xenvif_queue *queue) return queue->stalled && prod - cons >= 1; } -static bool xenvif_have_rx_work(struct xenvif_queue *queue) +bool xenvif_have_rx_work(struct xenvif_queue *queue, bool test_kthread) { return (!skb_queue_empty(&queue->rx_queue) && xenvif_rx_ring_slots_available(queue)) || (queue->vif->stall_timeout && (xenvif_rx_queue_stalled(queue) || xenvif_rx_queue_ready(queue))) - || kthread_should_stop() + || (test_kthread && kthread_should_stop()) || queue->vif->disabled; } @@ -2048,15 +2060,20 @@ static void xenvif_wait_for_rx_work(struct xenvif_queue *queue) { DEFINE_WAIT(wait); - if (xenvif_have_rx_work(queue)) + if (xenvif_have_rx_work(queue, true)) return; for (;;) { long ret; prepare_to_wait(&queue->wq, &wait, TASK_INTERRUPTIBLE); - if (xenvif_have_rx_work(queue)) + if (xenvif_have_rx_work(queue, true)) break; + if (xenvif_atomic_fetch_andnot(NETBK_RX_EOI | NETBK_COMMON_EOI, + &queue->eoi_pending) & + (NETBK_RX_EOI | NETBK_COMMON_EOI)) + xen_irq_lateeoi(queue->rx_irq, 0); + ret = schedule_timeout(xenvif_rx_queue_timeout(queue)); if (!ret) break; diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index 56ebd8267386..683fd8560f2b 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -697,12 +697,14 @@ static int xen_register_watchers(struct xenbus_device *dev, struct xenvif *vif) return -ENOMEM; snprintf(node, maxlen, "%s/rate", dev->nodename); vif->credit_watch.node = node; + vif->credit_watch.will_handle = NULL; vif->credit_watch.callback = xen_net_rate_changed; err = register_xenbus_watch(&vif->credit_watch); if (err) { pr_err("Failed to set watcher %s\n", vif->credit_watch.node); kfree(node); vif->credit_watch.node = NULL; + vif->credit_watch.will_handle = NULL; vif->credit_watch.callback = NULL; } return err; @@ -847,11 +849,15 @@ static void connect(struct backend_info *be) xenvif_carrier_on(be->vif); unregister_hotplug_status_watch(be); - err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch, - hotplug_status_changed, - "%s/%s", dev->nodename, "hotplug-status"); - if (!err) + if (xenbus_exists(XBT_NIL, dev->nodename, "hotplug-status")) { + err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch, + NULL, hotplug_status_changed, + "%s/%s", dev->nodename, + "hotplug-status"); + if (err) + goto err; be->have_hotplug_status_watch = 1; + } netif_tx_wake_all_queues(be->vif->dev); diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index bb3d5ea9869c..001c12867e43 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -1250,6 +1250,9 @@ static bool pn533_target_type_a_is_valid(struct pn533_target_type_a *type_a, if (PN533_TYPE_A_SEL_CASCADE(type_a->sel_res) != 0) return false; + if (type_a->nfcid_len > NFC_NFCID1_MAXSIZE) + return false; + return true; } diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c index 64a90252c57f..b387845d3c72 100644 --- a/drivers/nfc/s3fwrn5/firmware.c +++ b/drivers/nfc/s3fwrn5/firmware.c @@ -304,8 +304,10 @@ static int s3fwrn5_fw_request_firmware(struct s3fwrn5_fw_info *fw_info) if (ret < 0) return ret; - if (fw->fw->size < S3FWRN5_FW_IMAGE_HEADER_SIZE) + if (fw->fw->size < S3FWRN5_FW_IMAGE_HEADER_SIZE) { + release_firmware(fw->fw); return -EINVAL; + } memcpy(fw->date, fw->fw->data + 0x00, 12); fw->date[12] = '\0'; diff --git a/drivers/nfc/s3fwrn5/i2c.c b/drivers/nfc/s3fwrn5/i2c.c index c61d8a308da4..779f7a76ecd3 100644 --- a/drivers/nfc/s3fwrn5/i2c.c +++ b/drivers/nfc/s3fwrn5/i2c.c @@ -37,8 +37,8 @@ struct s3fwrn5_i2c_phy { struct i2c_client *i2c_dev; struct nci_dev *ndev; - unsigned int gpio_en; - unsigned int gpio_fw_wake; + int gpio_en; + int gpio_fw_wake; struct mutex mutex; diff --git a/drivers/nvdimm/dimm_devs.c b/drivers/nvdimm/dimm_devs.c index 651b8d19d324..058783178677 100644 --- a/drivers/nvdimm/dimm_devs.c +++ b/drivers/nvdimm/dimm_devs.c @@ -303,16 +303,16 @@ static ssize_t state_show(struct device *dev, struct device_attribute *attr, } static DEVICE_ATTR_RO(state); -static ssize_t available_slots_show(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t __available_slots_show(struct nvdimm_drvdata *ndd, char *buf) { - struct nvdimm_drvdata *ndd = dev_get_drvdata(dev); + struct device *dev; ssize_t rc; u32 nfree; if (!ndd) return -ENXIO; + dev = ndd->dev; nvdimm_bus_lock(dev); nfree = nd_label_nfree(ndd); if (nfree - 1 > nfree) { @@ -324,6 +324,18 @@ static ssize_t available_slots_show(struct device *dev, nvdimm_bus_unlock(dev); return rc; } + +static ssize_t available_slots_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + ssize_t rc; + + device_lock(dev); + rc = __available_slots_show(dev_get_drvdata(dev), buf); + device_unlock(dev); + + return rc; +} static DEVICE_ATTR_RO(available_slots); static struct attribute *nvdimm_attributes[] = { diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h index fc870e55bb66..5fab68838651 100644 --- a/drivers/nvdimm/nd.h +++ b/drivers/nvdimm/nd.h @@ -27,7 +27,6 @@ enum { * BTT instance */ ND_MAX_LANES = 256, - SECTOR_SHIFT = 9, INT_LBASIZE_ALIGNMENT = 64, #if IS_ENABLED(CONFIG_NVDIMM_PFN) ND_PFN_ALIGN = PAGES_PER_SECTION * PAGE_SIZE, diff --git a/drivers/of/address.c b/drivers/of/address.c index b3bf8762f4e8..77881432dd40 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -1014,11 +1014,13 @@ EXPORT_SYMBOL_GPL(of_dma_get_range); */ bool of_dma_is_coherent(struct device_node *np) { - struct device_node *node = of_node_get(np); + struct device_node *node; if (IS_ENABLED(CONFIG_OF_DMA_DEFAULT_COHERENT)) return true; + node = of_node_get(np); + while (node) { if (of_property_read_bool(node, "dma-coherent")) { of_node_put(node); diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index 07dd81586c52..7ccf077c72a0 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -218,6 +218,16 @@ static int __init __rmem_cmp(const void *a, const void *b) if (ra->base > rb->base) return 1; + /* + * Put the dynamic allocations (address == 0, size == 0) before static + * allocations at address 0x0 so that overlap detection works + * correctly. + */ + if (ra->size < rb->size) + return -1; + if (ra->size > rb->size) + return 1; + return 0; } @@ -235,8 +245,7 @@ static void __init __rmem_check_for_overlap(void) this = &reserved_mem[i]; next = &reserved_mem[i + 1]; - if (!(this->base && next->base)) - continue; + if (this->base + this->size > next->base) { phys_addr_t this_end, next_end; diff --git a/drivers/pci/host/pci-xgene-msi.c b/drivers/pci/host/pci-xgene-msi.c index a6456b578269..b6a099371ad2 100644 --- a/drivers/pci/host/pci-xgene-msi.c +++ b/drivers/pci/host/pci-xgene-msi.c @@ -393,13 +393,9 @@ static int xgene_msi_hwirq_alloc(unsigned int cpu) if (!msi_group->gic_irq) continue; - irq_set_chained_handler(msi_group->gic_irq, - xgene_msi_isr); - err = irq_set_handler_data(msi_group->gic_irq, msi_group); - if (err) { - pr_err("failed to register GIC IRQ handler\n"); - return -EINVAL; - } + irq_set_chained_handler_and_data(msi_group->gic_irq, + xgene_msi_isr, msi_group); + /* * Statically allocate MSI GIC IRQs to each CPU core. * With 8-core X-Gene v1, 2 MSI GIC IRQs are allocated diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 6727471ea5b4..d0f5c526c8e6 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -538,6 +538,7 @@ static void enable_slot(struct acpiphp_slot *slot) slot->flags &= (~SLOT_ENABLED); continue; } + pci_dev_put(dev); } } diff --git a/drivers/pci/hotplug/rpadlpar_sysfs.c b/drivers/pci/hotplug/rpadlpar_sysfs.c index a796301ea03f..ca9d832bd9f8 100644 --- a/drivers/pci/hotplug/rpadlpar_sysfs.c +++ b/drivers/pci/hotplug/rpadlpar_sysfs.c @@ -39,12 +39,11 @@ static ssize_t add_slot_store(struct kobject *kobj, struct kobj_attribute *attr, if (nbytes >= MAX_DRC_NAME_LEN) return 0; - memcpy(drc_name, buf, nbytes); + strscpy(drc_name, buf, nbytes + 1); end = strchr(drc_name, '\n'); - if (!end) - end = &drc_name[nbytes]; - *end = '\0'; + if (end) + *end = '\0'; rc = dlpar_add_slot(drc_name); if (rc) @@ -70,12 +69,11 @@ static ssize_t remove_slot_store(struct kobject *kobj, if (nbytes >= MAX_DRC_NAME_LEN) return 0; - memcpy(drc_name, buf, nbytes); + strscpy(drc_name, buf, nbytes + 1); end = strchr(drc_name, '\n'); - if (!end) - end = &drc_name[nbytes]; - *end = '\0'; + if (end) + *end = '\0'; rc = dlpar_remove_slot(drc_name); if (rc) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index becedabff141..63c62e2c8c0d 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1668,6 +1668,7 @@ static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn) pci_set_of_node(dev); if (pci_setup_device(dev)) { + pci_release_of_node(dev); pci_bus_put(dev->bus); kfree(dev); return NULL; diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index bdaeccafa261..e65eec0644a7 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3145,6 +3145,18 @@ static void quirk_no_bus_reset(struct pci_dev *dev) } /* + * Some NVIDIA GPU devices do not work with bus reset, SBR needs to be + * prevented for those affected devices. + */ +static void quirk_nvidia_no_bus_reset(struct pci_dev *dev) +{ + if ((dev->device & 0xffc0) == 0x2340) + quirk_no_bus_reset(dev); +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, + quirk_nvidia_no_bus_reset); + +/* * Some Atheros AR9xxx and QCA988x chips do not behave after a bus reset. * The device will throw a Link Down error on AER-capable systems and * regardless of AER, config space of the device is never accessible again @@ -3157,6 +3169,16 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x003c, quirk_no_bus_reset); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0033, quirk_no_bus_reset); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0034, quirk_no_bus_reset); +/* + * Some TI KeyStone C667X devices do not support bus/hot reset. The PCIESS + * automatically disables LTSSM when Secondary Bus Reset is received and + * the device stops working. Prevent bus reset for these devices. With + * this change, the device can be assigned to VMs with VFIO, but it will + * leak state between VMs. Reference + * https://e2e.ti.com/support/processors/f/791/t/954382 + */ +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TI, 0xb005, quirk_no_bus_reset); + static void quirk_no_pm_reset(struct pci_dev *dev) { /* @@ -3649,6 +3671,9 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x917a, /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c46 */ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0, quirk_dma_func1_alias); +/* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c135 */ +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9215, + quirk_dma_func1_alias); /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c127 */ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9220, quirk_dma_func1_alias); diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c index 01a343ad7155..14d84d5a0f58 100644 --- a/drivers/pci/slot.c +++ b/drivers/pci/slot.c @@ -307,6 +307,9 @@ placeholder: goto err; } + INIT_LIST_HEAD(&slot->list); + list_add(&slot->list, &parent->slots); + err = kobject_init_and_add(&slot->kobj, &pci_slot_ktype, NULL, "%s", slot_name); if (err) { @@ -314,9 +317,6 @@ placeholder: goto err; } - INIT_LIST_HEAD(&slot->list); - list_add(&slot->list, &parent->slots); - down_read(&pci_bus_sem); list_for_each_entry(dev, &parent->devices, bus_list) if (PCI_SLOT(dev->devfn) == slot_nr) diff --git a/drivers/pci/syscall.c b/drivers/pci/syscall.c index b91c4da68365..7958250856d3 100644 --- a/drivers/pci/syscall.c +++ b/drivers/pci/syscall.c @@ -21,7 +21,7 @@ SYSCALL_DEFINE5(pciconfig_read, unsigned long, bus, unsigned long, dfn, u16 word; u32 dword; long err; - long cfg_ret; + int cfg_ret; if (!capable(CAP_SYS_ADMIN)) return -EPERM; @@ -47,7 +47,7 @@ SYSCALL_DEFINE5(pciconfig_read, unsigned long, bus, unsigned long, dfn, } err = -EIO; - if (cfg_ret != PCIBIOS_SUCCESSFUL) + if (cfg_ret) goto error; switch (len) { @@ -105,7 +105,7 @@ SYSCALL_DEFINE5(pciconfig_write, unsigned long, bus, unsigned long, dfn, if (err) break; err = pci_user_write_config_byte(dev, off, byte); - if (err != PCIBIOS_SUCCESSFUL) + if (err) err = -EIO; break; @@ -114,7 +114,7 @@ SYSCALL_DEFINE5(pciconfig_write, unsigned long, bus, unsigned long, dfn, if (err) break; err = pci_user_write_config_word(dev, off, word); - if (err != PCIBIOS_SUCCESSFUL) + if (err) err = -EIO; break; @@ -123,7 +123,7 @@ SYSCALL_DEFINE5(pciconfig_write, unsigned long, bus, unsigned long, dfn, if (err) break; err = pci_user_write_config_dword(dev, off, dword); - if (err != PCIBIOS_SUCCESSFUL) + if (err) err = -EIO; break; diff --git a/drivers/phy/phy-twl4030-usb.c b/drivers/phy/phy-twl4030-usb.c index f96065a81d1e..168780eb29aa 100644 --- a/drivers/phy/phy-twl4030-usb.c +++ b/drivers/phy/phy-twl4030-usb.c @@ -753,7 +753,7 @@ static int twl4030_usb_remove(struct platform_device *pdev) usb_remove_phy(&twl->phy); pm_runtime_get_sync(twl->dev); - cancel_delayed_work(&twl->id_workaround_work); + cancel_delayed_work_sync(&twl->id_workaround_work); device_remove_file(twl->dev, &dev_attr_vbus); /* set transceiver mode to power on defaults */ diff --git a/drivers/pinctrl/devicetree.c b/drivers/pinctrl/devicetree.c index fe04e748dfe4..eb8c29f3e16e 100644 --- a/drivers/pinctrl/devicetree.c +++ b/drivers/pinctrl/devicetree.c @@ -40,6 +40,13 @@ struct pinctrl_dt_map { static void dt_free_map(struct pinctrl_dev *pctldev, struct pinctrl_map *map, unsigned num_maps) { + int i; + + for (i = 0; i < num_maps; ++i) { + kfree_const(map[i].dev_name); + map[i].dev_name = NULL; + } + if (pctldev) { const struct pinctrl_ops *ops = pctldev->desc->pctlops; ops->dt_free_map(pctldev, map, num_maps); @@ -73,7 +80,13 @@ static int dt_remember_or_free_map(struct pinctrl *p, const char *statename, /* Initialize common mapping table entry fields */ for (i = 0; i < num_maps; i++) { - map[i].dev_name = dev_name(p->dev); + const char *devname; + + devname = kstrdup_const(dev_name(p->dev), GFP_KERNEL); + if (!devname) + goto err_free_map; + + map[i].dev_name = devname; map[i].name = statename; if (pctldev) map[i].ctrl_dev_name = dev_name(pctldev->dev); @@ -81,11 +94,8 @@ static int dt_remember_or_free_map(struct pinctrl *p, const char *statename, /* Remember the converted mapping table entries */ dt_map = kzalloc(sizeof(*dt_map), GFP_KERNEL); - if (!dt_map) { - dev_err(p->dev, "failed to alloc struct pinctrl_dt_map\n"); - dt_free_map(pctldev, map, num_maps); - return -ENOMEM; - } + if (!dt_map) + goto err_free_map; dt_map->pctldev = pctldev; dt_map->map = map; @@ -93,6 +103,10 @@ static int dt_remember_or_free_map(struct pinctrl *p, const char *statename, list_add_tail(&dt_map->node, &p->dt_maps); return pinctrl_register_map(map, num_maps, false); + +err_free_map: + dt_free_map(pctldev, map, num_maps); + return -ENOMEM; } struct pinctrl_dev *of_pinctrl_get(struct device_node *np) diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 7340ff78839a..43440b6b85bc 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -144,7 +144,7 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, unsigned offset, pin_reg |= BIT(DB_TMR_OUT_UNIT_OFF); pin_reg &= ~BIT(DB_TMR_LARGE_OFF); } else if (debounce < 250000) { - time = debounce / 15600; + time = debounce / 15625; pin_reg |= time & DB_TMR_OUT_MASK; pin_reg &= ~BIT(DB_TMR_OUT_UNIT_OFF); pin_reg |= BIT(DB_TMR_LARGE_OFF); @@ -154,14 +154,14 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, unsigned offset, pin_reg |= BIT(DB_TMR_OUT_UNIT_OFF); pin_reg |= BIT(DB_TMR_LARGE_OFF); } else { - pin_reg &= ~DB_CNTRl_MASK; + pin_reg &= ~(DB_CNTRl_MASK << DB_CNTRL_OFF); ret = -EINVAL; } } else { pin_reg &= ~BIT(DB_TMR_OUT_UNIT_OFF); pin_reg &= ~BIT(DB_TMR_LARGE_OFF); pin_reg &= ~DB_TMR_OUT_MASK; - pin_reg &= ~DB_CNTRl_MASK; + pin_reg &= ~(DB_CNTRl_MASK << DB_CNTRL_OFF); } writel(pin_reg, gpio_dev->base + offset * 4); spin_unlock_irqrestore(&gpio_dev->lock, flags); @@ -399,7 +399,6 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type) pin_reg &= ~BIT(LEVEL_TRIG_OFF); pin_reg &= ~(ACTIVE_LEVEL_MASK << ACTIVE_LEVEL_OFF); pin_reg |= ACTIVE_HIGH << ACTIVE_LEVEL_OFF; - pin_reg |= DB_TYPE_REMOVE_GLITCH << DB_CNTRL_OFF; irq_set_handler_locked(d, handle_edge_irq); break; @@ -407,7 +406,6 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type) pin_reg &= ~BIT(LEVEL_TRIG_OFF); pin_reg &= ~(ACTIVE_LEVEL_MASK << ACTIVE_LEVEL_OFF); pin_reg |= ACTIVE_LOW << ACTIVE_LEVEL_OFF; - pin_reg |= DB_TYPE_REMOVE_GLITCH << DB_CNTRL_OFF; irq_set_handler_locked(d, handle_edge_irq); break; @@ -415,7 +413,6 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type) pin_reg &= ~BIT(LEVEL_TRIG_OFF); pin_reg &= ~(ACTIVE_LEVEL_MASK << ACTIVE_LEVEL_OFF); pin_reg |= BOTH_EADGE << ACTIVE_LEVEL_OFF; - pin_reg |= DB_TYPE_REMOVE_GLITCH << DB_CNTRL_OFF; irq_set_handler_locked(d, handle_edge_irq); break; @@ -423,8 +420,6 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type) pin_reg |= LEVEL_TRIGGER << LEVEL_TRIG_OFF; pin_reg &= ~(ACTIVE_LEVEL_MASK << ACTIVE_LEVEL_OFF); pin_reg |= ACTIVE_HIGH << ACTIVE_LEVEL_OFF; - pin_reg &= ~(DB_CNTRl_MASK << DB_CNTRL_OFF); - pin_reg |= DB_TYPE_PRESERVE_LOW_GLITCH << DB_CNTRL_OFF; irq_set_handler_locked(d, handle_level_irq); break; @@ -432,8 +427,6 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type) pin_reg |= LEVEL_TRIGGER << LEVEL_TRIG_OFF; pin_reg &= ~(ACTIVE_LEVEL_MASK << ACTIVE_LEVEL_OFF); pin_reg |= ACTIVE_LOW << ACTIVE_LEVEL_OFF; - pin_reg &= ~(DB_CNTRl_MASK << DB_CNTRL_OFF); - pin_reg |= DB_TYPE_PRESERVE_HIGH_GLITCH << DB_CNTRL_OFF; irq_set_handler_locked(d, handle_level_irq); break; diff --git a/drivers/pinctrl/pinctrl-falcon.c b/drivers/pinctrl/pinctrl-falcon.c index 0b0fc2eb48e0..adcdb0585d39 100644 --- a/drivers/pinctrl/pinctrl-falcon.c +++ b/drivers/pinctrl/pinctrl-falcon.c @@ -438,24 +438,28 @@ static int pinctrl_falcon_probe(struct platform_device *pdev) /* load and remap the pad resources of the different banks */ for_each_compatible_node(np, NULL, "lantiq,pad-falcon") { - struct platform_device *ppdev = of_find_device_by_node(np); const __be32 *bank = of_get_property(np, "lantiq,bank", NULL); struct resource res; + struct platform_device *ppdev; u32 avail; int pins; if (!of_device_is_available(np)) continue; - if (!ppdev) { - dev_err(&pdev->dev, "failed to find pad pdev\n"); - continue; - } if (!bank || *bank >= PORTS) continue; if (of_address_to_resource(np, 0, &res)) continue; + + ppdev = of_find_device_by_node(np); + if (!ppdev) { + dev_err(&pdev->dev, "failed to find pad pdev\n"); + continue; + } + falcon_info.clk[*bank] = clk_get(&ppdev->dev, NULL); + put_device(&ppdev->dev); if (IS_ERR(falcon_info.clk[*bank])) { dev_err(&ppdev->dev, "failed to get clock\n"); return PTR_ERR(falcon_info.clk[*bank]); diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 616055b5e996..59f103c115cc 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -1445,7 +1445,9 @@ static int rockchip_gpio_to_irq(struct gpio_chip *gc, unsigned offset) if (!bank->domain) return -ENXIO; + clk_enable(bank->clk); virq = irq_create_mapping(bank->domain, offset); + clk_disable(bank->clk); return (virq) ? : -ENXIO; } @@ -1965,12 +1967,15 @@ static int __maybe_unused rockchip_pinctrl_suspend(struct device *dev) static int __maybe_unused rockchip_pinctrl_resume(struct device *dev) { struct rockchip_pinctrl *info = dev_get_drvdata(dev); - int ret = regmap_write(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX, - rk3288_grf_gpio6c_iomux | - GPIO6C6_SEL_WRITE_ENABLE); + int ret; - if (ret) - return ret; + if (info->ctrl->type == RK3288) { + ret = regmap_write(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX, + rk3288_grf_gpio6c_iomux | + GPIO6C6_SEL_WRITE_ENABLE); + if (ret) + return ret; + } return pinctrl_force_default(info->pctl_dev); } diff --git a/drivers/platform/chrome/cros_ec_dev.c b/drivers/platform/chrome/cros_ec_dev.c index 2b331d5b9e79..e16d82bb36a9 100644 --- a/drivers/platform/chrome/cros_ec_dev.c +++ b/drivers/platform/chrome/cros_ec_dev.c @@ -137,6 +137,10 @@ static long ec_device_ioctl_xcmd(struct cros_ec_dev *ec, void __user *arg) if (copy_from_user(&u_cmd, arg, sizeof(u_cmd))) return -EFAULT; + if ((u_cmd.outsize > EC_MAX_MSG_BYTES) || + (u_cmd.insize > EC_MAX_MSG_BYTES)) + return -EINVAL; + s_cmd = kmalloc(sizeof(*s_cmd) + max(u_cmd.outsize, u_cmd.insize), GFP_KERNEL); if (!s_cmd) diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c index 5c285f2b3a65..d20190c8f0c0 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -311,8 +311,8 @@ int cros_ec_query_all(struct cros_ec_device *ec_dev) ec_dev->max_response = EC_PROTO2_MAX_PARAM_SIZE; ec_dev->max_passthru = 0; ec_dev->pkt_xfer = NULL; - ec_dev->din_size = EC_MSG_BYTES; - ec_dev->dout_size = EC_MSG_BYTES; + ec_dev->din_size = EC_PROTO2_MSG_BYTES; + ec_dev->dout_size = EC_PROTO2_MSG_BYTES; } else { /* * It's possible for a test to occur too early when diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 5c169a837ebd..e4f278fa6d69 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -124,6 +124,7 @@ static const struct key_entry acer_wmi_keymap[] __initconst = { {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */ {KE_IGNORE, 0x81, {KEY_SLEEP} }, {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */ + {KE_IGNORE, 0x84, {KEY_KBDILLUMTOGGLE} }, /* Automatic Keyboard background light toggle */ {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} }, {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} }, {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} }, @@ -228,6 +229,7 @@ static int mailled = -1; static int brightness = -1; static int threeg = -1; static int force_series; +static int force_caps = -1; static bool ec_raw_mode; static bool has_type_aa; static u16 commun_func_bitmap; @@ -237,11 +239,13 @@ module_param(mailled, int, 0444); module_param(brightness, int, 0444); module_param(threeg, int, 0444); module_param(force_series, int, 0444); +module_param(force_caps, int, 0444); module_param(ec_raw_mode, bool, 0444); MODULE_PARM_DESC(mailled, "Set initial state of Mail LED"); MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness"); MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware"); MODULE_PARM_DESC(force_series, "Force a different laptop series"); +MODULE_PARM_DESC(force_caps, "Force the capability bitmask to this value"); MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode"); struct acer_data { @@ -2149,7 +2153,7 @@ static int __init acer_wmi_init(void) } /* WMID always provides brightness methods */ interface->capability |= ACER_CAP_BRIGHTNESS; - } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa) { + } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa && force_caps == -1) { pr_err("No WMID device detection method found\n"); return -ENODEV; } @@ -2179,6 +2183,9 @@ static int __init acer_wmi_init(void) if (acpi_video_get_backlight_type() != acpi_backlight_vendor) interface->capability &= ~ACER_CAP_BRIGHTNESS; + if (force_caps != -1) + interface->capability = force_caps; + if (wmi_has_guid(WMID_GUID3)) { if (ec_raw_mode) { if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) { diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c index 10ce6cba4455..a06262e91a93 100644 --- a/drivers/platform/x86/hp_accel.c +++ b/drivers/platform/x86/hp_accel.c @@ -101,6 +101,9 @@ MODULE_DEVICE_TABLE(acpi, lis3lv02d_device_ids); static int lis3lv02d_acpi_init(struct lis3lv02d *lis3) { struct acpi_device *dev = lis3->bus_priv; + if (!lis3->init_required) + return 0; + if (acpi_evaluate_object(dev->handle, METHOD_NAME__INI, NULL, NULL) != AE_OK) return -EINVAL; @@ -361,6 +364,7 @@ static int lis3lv02d_add(struct acpi_device *device) } /* call the core layer do its init */ + lis3_dev.init_required = true; ret = lis3lv02d_init_device(&lis3_dev); if (ret) return ret; @@ -408,11 +412,27 @@ static int lis3lv02d_suspend(struct device *dev) static int lis3lv02d_resume(struct device *dev) { + lis3_dev.init_required = false; + lis3lv02d_poweron(&lis3_dev); + return 0; +} + +static int lis3lv02d_restore(struct device *dev) +{ + lis3_dev.init_required = true; lis3lv02d_poweron(&lis3_dev); return 0; } -static SIMPLE_DEV_PM_OPS(hp_accel_pm, lis3lv02d_suspend, lis3lv02d_resume); +static const struct dev_pm_ops hp_accel_pm = { + .suspend = lis3lv02d_suspend, + .resume = lis3lv02d_resume, + .freeze = lis3lv02d_suspend, + .thaw = lis3lv02d_resume, + .poweroff = lis3lv02d_suspend, + .restore = lis3lv02d_restore, +}; + #define HP_ACCEL_PM (&hp_accel_pm) #else #define HP_ACCEL_PM NULL diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 0bed4733c4f0..20c588af33d8 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -2474,7 +2474,7 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn, */ static int hotkey_kthread(void *data) { - struct tp_nvram_state s[2]; + struct tp_nvram_state s[2] = { 0 }; u32 poll_mask, event_mask; unsigned int si, so; unsigned long t; @@ -5766,6 +5766,7 @@ enum thermal_access_mode { enum { /* TPACPI_THERMAL_TPEC_* */ TP_EC_THERMAL_TMP0 = 0x78, /* ACPI EC regs TMP 0..7 */ TP_EC_THERMAL_TMP8 = 0xC0, /* ACPI EC regs TMP 8..15 */ + TP_EC_FUNCREV = 0xEF, /* ACPI EC Functional revision */ TP_EC_THERMAL_TMP_NA = -128, /* ACPI EC sensor not available */ TPACPI_THERMAL_SENSOR_NA = -128000, /* Sensor not available */ @@ -5964,7 +5965,7 @@ static const struct attribute_group thermal_temp_input8_group = { static int __init thermal_init(struct ibm_init_struct *iibm) { - u8 t, ta1, ta2; + u8 t, ta1, ta2, ver = 0; int i; int acpi_tmp7; int res; @@ -5979,7 +5980,14 @@ static int __init thermal_init(struct ibm_init_struct *iibm) * 0x78-0x7F, 0xC0-0xC7. Registers return 0x00 for * non-implemented, thermal sensors return 0x80 when * not available + * The above rule is unfortunately flawed. This has been seen with + * 0xC2 (power supply ID) causing thermal control problems. + * The EC version can be determined by offset 0xEF and at least for + * version 3 the Lenovo firmware team confirmed that registers 0xC0-0xC7 + * are not thermal registers. */ + if (!acpi_ec_read(TP_EC_FUNCREV, &ver)) + pr_warn("Thinkpad ACPI EC unable to access EC version\n"); ta1 = ta2 = 0; for (i = 0; i < 8; i++) { @@ -5989,11 +5997,13 @@ static int __init thermal_init(struct ibm_init_struct *iibm) ta1 = 0; break; } - if (acpi_ec_read(TP_EC_THERMAL_TMP8 + i, &t)) { - ta2 |= t; - } else { - ta1 = 0; - break; + if (ver < 3) { + if (acpi_ec_read(TP_EC_THERMAL_TMP8 + i, &t)) { + ta2 |= t; + } else { + ta1 = 0; + break; + } } } if (ta1 == 0) { @@ -6009,9 +6019,12 @@ static int __init thermal_init(struct ibm_init_struct *iibm) thermal_read_mode = TPACPI_THERMAL_NONE; } } else { - thermal_read_mode = - (ta2 != 0) ? - TPACPI_THERMAL_TPEC_16 : TPACPI_THERMAL_TPEC_8; + if (ver >= 3) + thermal_read_mode = TPACPI_THERMAL_TPEC_8; + else + thermal_read_mode = + (ta2 != 0) ? + TPACPI_THERMAL_TPEC_16 : TPACPI_THERMAL_TPEC_8; } } else if (acpi_tmp7) { if (tpacpi_is_ibm() && @@ -6362,8 +6375,10 @@ static int __init tpacpi_query_bcl_levels(acpi_handle handle) list_for_each_entry(child, &device->children, node) { acpi_status status = acpi_evaluate_object(child->handle, "_BCL", NULL, &buffer); - if (ACPI_FAILURE(status)) + if (ACPI_FAILURE(status)) { + buffer.length = ACPI_ALLOCATE_BUFFER; continue; + } obj = (union acpi_object *)buffer.pointer; if (!obj || (obj->type != ACPI_TYPE_PACKAGE)) { diff --git a/drivers/power/generic-adc-battery.c b/drivers/power/generic-adc-battery.c index fedc5818fab7..86289f9da85a 100644 --- a/drivers/power/generic-adc-battery.c +++ b/drivers/power/generic-adc-battery.c @@ -379,7 +379,7 @@ static int gab_remove(struct platform_device *pdev) } kfree(adc_bat->psy_desc.properties); - cancel_delayed_work(&adc_bat->bat_work); + cancel_delayed_work_sync(&adc_bat->bat_work); return 0; } diff --git a/drivers/power/s3c_adc_battery.c b/drivers/power/s3c_adc_battery.c index 0ffe5cd3abf6..06b412c43aa7 100644 --- a/drivers/power/s3c_adc_battery.c +++ b/drivers/power/s3c_adc_battery.c @@ -392,7 +392,7 @@ static int s3c_adc_bat_remove(struct platform_device *pdev) gpio_free(pdata->gpio_charge_finished); } - cancel_delayed_work(&bat_work); + cancel_delayed_work_sync(&bat_work); if (pdata->exit) pdata->exit(); diff --git a/drivers/power/test_power.c b/drivers/power/test_power.c index 57246cdbd042..925abec45380 100644 --- a/drivers/power/test_power.c +++ b/drivers/power/test_power.c @@ -344,6 +344,7 @@ static int param_set_ac_online(const char *key, const struct kernel_param *kp) static int param_get_ac_online(char *buffer, const struct kernel_param *kp) { strcpy(buffer, map_get_key(map_ac_online, ac_online, "unknown")); + strcat(buffer, "\n"); return strlen(buffer); } @@ -357,6 +358,7 @@ static int param_set_usb_online(const char *key, const struct kernel_param *kp) static int param_get_usb_online(char *buffer, const struct kernel_param *kp) { strcpy(buffer, map_get_key(map_ac_online, usb_online, "unknown")); + strcat(buffer, "\n"); return strlen(buffer); } @@ -371,6 +373,7 @@ static int param_set_battery_status(const char *key, static int param_get_battery_status(char *buffer, const struct kernel_param *kp) { strcpy(buffer, map_get_key(map_status, battery_status, "unknown")); + strcat(buffer, "\n"); return strlen(buffer); } @@ -385,6 +388,7 @@ static int param_set_battery_health(const char *key, static int param_get_battery_health(char *buffer, const struct kernel_param *kp) { strcpy(buffer, map_get_key(map_health, battery_health, "unknown")); + strcat(buffer, "\n"); return strlen(buffer); } @@ -400,6 +404,7 @@ static int param_get_battery_present(char *buffer, const struct kernel_param *kp) { strcpy(buffer, map_get_key(map_present, battery_present, "unknown")); + strcat(buffer, "\n"); return strlen(buffer); } @@ -417,6 +422,7 @@ static int param_get_battery_technology(char *buffer, { strcpy(buffer, map_get_key(map_technology, battery_technology, "unknown")); + strcat(buffer, "\n"); return strlen(buffer); } diff --git a/drivers/powercap/powercap_sys.c b/drivers/powercap/powercap_sys.c index fd12ccc11e26..2313bb93f5c2 100644 --- a/drivers/powercap/powercap_sys.c +++ b/drivers/powercap/powercap_sys.c @@ -379,9 +379,9 @@ static void create_power_zone_common_attributes( &dev_attr_max_energy_range_uj.attr; if (power_zone->ops->get_energy_uj) { if (power_zone->ops->reset_energy_uj) - dev_attr_energy_uj.attr.mode = S_IWUSR | S_IRUGO; + dev_attr_energy_uj.attr.mode = S_IWUSR | S_IRUSR; else - dev_attr_energy_uj.attr.mode = S_IRUGO; + dev_attr_energy_uj.attr.mode = S_IRUSR; power_zone->zone_dev_attrs[count++] = &dev_attr_energy_uj.attr; } diff --git a/drivers/ps3/ps3stor_lib.c b/drivers/ps3/ps3stor_lib.c index 8c3f5adf1bc6..2d7618375662 100644 --- a/drivers/ps3/ps3stor_lib.c +++ b/drivers/ps3/ps3stor_lib.c @@ -201,7 +201,7 @@ int ps3stor_setup(struct ps3_storage_device *dev, irq_handler_t handler) dev->bounce_lpar = ps3_mm_phys_to_lpar(__pa(dev->bounce_buf)); dev->bounce_dma = dma_map_single(&dev->sbd.core, dev->bounce_buf, dev->bounce_size, DMA_BIDIRECTIONAL); - if (!dev->bounce_dma) { + if (dma_mapping_error(&dev->sbd.core, dev->bounce_dma)) { dev_err(&dev->sbd.core, "%s:%u: map DMA region failed\n", __func__, __LINE__); error = -ENODEV; diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c index 5cf4a97e0304..df235ac1a6b2 100644 --- a/drivers/regulator/axp20x-regulator.c +++ b/drivers/regulator/axp20x-regulator.c @@ -279,7 +279,7 @@ static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq) static int axp20x_regulator_parse_dt(struct platform_device *pdev) { struct device_node *np, *regulators; - int ret; + int ret = 0; u32 dcdcfreq = 0; np = of_node_get(pdev->dev.parent->of_node); @@ -294,13 +294,12 @@ static int axp20x_regulator_parse_dt(struct platform_device *pdev) ret = axp20x_set_dcdc_freq(pdev, dcdcfreq); if (ret < 0) { dev_err(&pdev->dev, "Error setting dcdc frequency: %d\n", ret); - return ret; } - of_node_put(regulators); } - return 0; + of_node_put(np); + return ret; } static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 workmode) diff --git a/drivers/regulator/ti-abb-regulator.c b/drivers/regulator/ti-abb-regulator.c index 6d17357b3a24..5f5f63eb8c76 100644 --- a/drivers/regulator/ti-abb-regulator.c +++ b/drivers/regulator/ti-abb-regulator.c @@ -342,8 +342,17 @@ static int ti_abb_set_voltage_sel(struct regulator_dev *rdev, unsigned sel) return ret; } - /* If data is exactly the same, then just update index, no change */ info = &abb->info[sel]; + /* + * When Linux kernel is starting up, we are'nt sure of the + * Bias configuration that bootloader has configured. + * So, we get to know the actual setting the first time + * we are asked to transition. + */ + if (abb->current_info_idx == -EINVAL) + goto just_set_abb; + + /* If data is exactly the same, then just update index, no change */ oinfo = &abb->info[abb->current_info_idx]; if (!memcmp(info, oinfo, sizeof(*info))) { dev_dbg(dev, "%s: Same data new idx=%d, old idx=%d\n", __func__, @@ -351,6 +360,7 @@ static int ti_abb_set_voltage_sel(struct regulator_dev *rdev, unsigned sel) goto out; } +just_set_abb: ret = ti_abb_set_opp(rdev, abb, info); out: diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index b76a85d14ef0..aec25ea99d19 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -3286,8 +3286,6 @@ void dasd_generic_remove(struct ccw_device *cdev) struct dasd_device *device; struct dasd_block *block; - cdev->handler = NULL; - device = dasd_device_from_cdev(cdev); if (IS_ERR(device)) { dasd_remove_sysfs_files(cdev); @@ -3306,6 +3304,7 @@ void dasd_generic_remove(struct ccw_device *cdev) * no quite down yet. */ dasd_set_target_state(device, DASD_STATE_NEW); + cdev->handler = NULL; /* dasd_delete_device destroys the device reference. */ block = device->block; dasd_delete_device(device); diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c index 6601047d4b65..03543c0a2dd0 100644 --- a/drivers/s390/block/dasd_alias.c +++ b/drivers/s390/block/dasd_alias.c @@ -258,7 +258,6 @@ void dasd_alias_disconnect_device_from_lcu(struct dasd_device *device) return; device->discipline->get_uid(device, &uid); spin_lock_irqsave(&lcu->lock, flags); - list_del_init(&device->alias_list); /* make sure that the workers don't use this device */ if (device == lcu->suc_data.device) { spin_unlock_irqrestore(&lcu->lock, flags); @@ -285,6 +284,7 @@ void dasd_alias_disconnect_device_from_lcu(struct dasd_device *device) spin_lock_irqsave(&aliastree.lock, flags); spin_lock(&lcu->lock); + list_del_init(&device->alias_list); if (list_empty(&lcu->grouplist) && list_empty(&lcu->active_devices) && list_empty(&lcu->inactive_devices)) { @@ -475,11 +475,19 @@ static int read_unit_address_configuration(struct dasd_device *device, spin_unlock_irqrestore(&lcu->lock, flags); rc = dasd_sleep_on(cqr); - if (rc && !suborder_not_supported(cqr)) { + if (!rc) + goto out; + + if (suborder_not_supported(cqr)) { + /* suborder not supported or device unusable for IO */ + rc = -EOPNOTSUPP; + } else { + /* IO failed but should be retried */ spin_lock_irqsave(&lcu->lock, flags); lcu->flags |= NEED_UAC_UPDATE; spin_unlock_irqrestore(&lcu->lock, flags); } +out: dasd_kfree_request(cqr, cqr->memdev); return rc; } @@ -637,6 +645,7 @@ int dasd_alias_add_device(struct dasd_device *device) } if (lcu->flags & UPDATE_PENDING) { list_move(&device->alias_list, &lcu->active_devices); + private->pavgroup = NULL; _schedule_lcu_update(lcu, device); } spin_unlock(&lcu->lock); diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c index c7be7bb37209..b9b4491d732a 100644 --- a/drivers/scsi/BusLogic.c +++ b/drivers/scsi/BusLogic.c @@ -3081,11 +3081,11 @@ static int blogic_qcmd_lck(struct scsi_cmnd *command, ccb->opcode = BLOGIC_INITIATOR_CCB_SG; ccb->datalen = count * sizeof(struct blogic_sg_seg); if (blogic_multimaster_type(adapter)) - ccb->data = (void *)((unsigned int) ccb->dma_handle + + ccb->data = (unsigned int) ccb->dma_handle + ((unsigned long) &ccb->sglist - - (unsigned long) ccb)); + (unsigned long) ccb); else - ccb->data = ccb->sglist; + ccb->data = virt_to_32bit_virt(ccb->sglist); scsi_for_each_sg(command, sg, count, i) { ccb->sglist[i].segbytes = sg_dma_len(sg); diff --git a/drivers/scsi/BusLogic.h b/drivers/scsi/BusLogic.h index b53ec2f1e8cd..5c950a7a1b1c 100644 --- a/drivers/scsi/BusLogic.h +++ b/drivers/scsi/BusLogic.h @@ -821,7 +821,7 @@ struct blogic_ccb { unsigned char cdblen; /* Byte 2 */ unsigned char sense_datalen; /* Byte 3 */ u32 datalen; /* Bytes 4-7 */ - void *data; /* Bytes 8-11 */ + u32 data; /* Bytes 8-11 */ unsigned char:8; /* Byte 12 */ unsigned char:8; /* Byte 13 */ enum blogic_adapter_status adapter_status; /* Byte 14 */ diff --git a/drivers/scsi/bnx2fc/Kconfig b/drivers/scsi/bnx2fc/Kconfig index d401a096dfc7..2eb2476852b1 100644 --- a/drivers/scsi/bnx2fc/Kconfig +++ b/drivers/scsi/bnx2fc/Kconfig @@ -4,6 +4,7 @@ config SCSI_BNX2X_FCOE depends on (IPV6 || IPV6=n) depends on LIBFC depends on LIBFCOE + depends on MMU select NETDEVICES select ETHERNET select NET_VENDOR_BROADCOM diff --git a/drivers/scsi/bnx2i/Kconfig b/drivers/scsi/bnx2i/Kconfig index ba30ff86d581..b27a3738d940 100644 --- a/drivers/scsi/bnx2i/Kconfig +++ b/drivers/scsi/bnx2i/Kconfig @@ -3,6 +3,7 @@ config SCSI_BNX2_ISCSI depends on NET depends on PCI depends on (IPV6 || IPV6=n) + depends on MMU select SCSI_ISCSI_ATTRS select NETDEVICES select ETHERNET diff --git a/drivers/scsi/csiostor/csio_hw.c b/drivers/scsi/csiostor/csio_hw.c index dab195f04da7..06ca0495f3e8 100644 --- a/drivers/scsi/csiostor/csio_hw.c +++ b/drivers/scsi/csiostor/csio_hw.c @@ -1973,7 +1973,7 @@ static int csio_hw_prep_fw(struct csio_hw *hw, struct fw_info *fw_info, FW_HDR_FW_VER_MICRO_G(c), FW_HDR_FW_VER_BUILD_G(c), FW_HDR_FW_VER_MAJOR_G(k), FW_HDR_FW_VER_MINOR_G(k), FW_HDR_FW_VER_MICRO_G(k), FW_HDR_FW_VER_BUILD_G(k)); - ret = EINVAL; + ret = -EINVAL; goto bye; } diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c index 58ce9020d69c..389c13e1c978 100644 --- a/drivers/scsi/fnic/fnic_main.c +++ b/drivers/scsi/fnic/fnic_main.c @@ -735,6 +735,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) for (i = 0; i < FNIC_IO_LOCKS; i++) spin_lock_init(&fnic->io_req_lock[i]); + err = -ENOMEM; fnic->io_req_pool = mempool_create_slab_pool(2, fnic_io_req_cache); if (!fnic->io_req_pool) goto err_out_free_resources; diff --git a/drivers/scsi/gdth.h b/drivers/scsi/gdth.h index 3fd8b83ffbf9..8039c809cef2 100644 --- a/drivers/scsi/gdth.h +++ b/drivers/scsi/gdth.h @@ -177,9 +177,6 @@ #define MSG_SIZE 34 /* size of message structure */ #define MSG_REQUEST 0 /* async. event: message */ -/* cacheservice defines */ -#define SECTOR_SIZE 0x200 /* always 512 bytes per sec. */ - /* DPMEM constants */ #define DPMEM_MAGIC 0xC0FFEE11 #define IC_HEADER_BYTES 48 diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 82ac1cd818ac..636548030046 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -259,12 +259,11 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, device_enable_async_suspend(&shost->shost_dev); + get_device(&shost->shost_gendev); error = device_add(&shost->shost_dev); if (error) goto out_del_gendev; - get_device(&shost->shost_gendev); - if (shost->transportt->host_size) { shost->shost_data = kzalloc(shost->transportt->host_size, GFP_KERNEL); @@ -300,6 +299,11 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, out_del_dev: device_del(&shost->shost_dev); out_del_gendev: + /* + * Host state is SHOST_RUNNING so we have to explicitly release + * ->shost_dev. + */ + put_device(&shost->shost_dev); device_del(&shost->shost_gendev); out_destroy_freelist: scsi_destroy_command_freelist(shost); @@ -355,7 +359,7 @@ static void scsi_host_dev_release(struct device *dev) kfree(shost->shost_data); - if (parent) + if (shost->shost_state != SHOST_CREATED) put_device(parent); kfree(shost); } diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index 0526a47e30a3..aa74f72e582a 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -2883,8 +2883,10 @@ static int ibmvfc_slave_configure(struct scsi_device *sdev) unsigned long flags = 0; spin_lock_irqsave(shost->host_lock, flags); - if (sdev->type == TYPE_DISK) + if (sdev->type == TYPE_DISK) { sdev->allow_restart = 1; + blk_queue_rq_timeout(sdev->request_queue, 120 * HZ); + } spin_unlock_irqrestore(shost->host_lock, flags); return 0; } @@ -4790,6 +4792,7 @@ static int ibmvfc_probe(struct vio_dev *vdev, const struct vio_device_id *id) if (IS_ERR(vhost->work_thread)) { dev_err(dev, "Couldn't create kernel thread: %ld\n", PTR_ERR(vhost->work_thread)); + rc = PTR_ERR(vhost->work_thread); goto free_host_mem; } diff --git a/drivers/scsi/jazz_esp.c b/drivers/scsi/jazz_esp.c index 9aaa74e349cc..65f0dbfc3a45 100644 --- a/drivers/scsi/jazz_esp.c +++ b/drivers/scsi/jazz_esp.c @@ -170,7 +170,9 @@ static int esp_jazz_probe(struct platform_device *dev) if (!esp->command_block) goto fail_unmap_regs; - host->irq = platform_get_irq(dev, 0); + host->irq = err = platform_get_irq(dev, 0); + if (err < 0) + goto fail_unmap_command_block; err = request_irq(host->irq, scsi_esp_intr, IRQF_SHARED, "ESP", esp); if (err < 0) goto fail_unmap_command_block; diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c index b20c575564e4..a088f74a157c 100644 --- a/drivers/scsi/libfc/fc_exch.c +++ b/drivers/scsi/libfc/fc_exch.c @@ -1577,8 +1577,13 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp) rc = fc_exch_done_locked(ep); WARN_ON(fc_seq_exch(sp) != ep); spin_unlock_bh(&ep->ex_lock); - if (!rc) + if (!rc) { fc_exch_delete(ep); + } else { + FC_EXCH_DBG(ep, "ep is completed already," + "hence skip calling the resp\n"); + goto skip_resp; + } } /* @@ -1597,6 +1602,7 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp) if (!fc_invoke_resp(ep, sp, fp)) fc_frame_free(fp); +skip_resp: fc_exch_release(ep); return; rel: @@ -1841,10 +1847,16 @@ static void fc_exch_reset(struct fc_exch *ep) fc_exch_hold(ep); - if (!rc) + if (!rc) { fc_exch_delete(ep); + } else { + FC_EXCH_DBG(ep, "ep is completed already," + "hence skip calling the resp\n"); + goto skip_resp; + } fc_invoke_resp(ep, sp, ERR_PTR(-FC_EX_CLOSED)); +skip_resp: fc_seq_set_resp(sp, NULL, ep->arg); fc_exch_release(ep); } diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index 867fc036d6ef..815d224b9ff8 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -1754,7 +1754,7 @@ void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, if (mfs < FC_SP_MIN_MAX_PAYLOAD || mfs > FC_SP_MAX_MAX_PAYLOAD) { FC_LPORT_DBG(lport, "FLOGI bad mfs:%hu response, " - "lport->mfs:%hu\n", mfs, lport->mfs); + "lport->mfs:%u\n", mfs, lport->mfs); fc_lport_error(lport, fp); goto out; } diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index b4fbcf4cade8..18b8d86ef74b 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -570,8 +570,8 @@ static void iscsi_complete_task(struct iscsi_task *task, int state) if (conn->task == task) conn->task = NULL; - if (conn->ping_task == task) - conn->ping_task = NULL; + if (READ_ONCE(conn->ping_task) == task) + WRITE_ONCE(conn->ping_task, NULL); /* release get from queueing */ __iscsi_put_task(task); @@ -780,6 +780,9 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, task->conn->session->age); } + if (unlikely(READ_ONCE(conn->ping_task) == INVALID_SCSI_TASK)) + WRITE_ONCE(conn->ping_task, task); + if (!ihost->workq) { if (iscsi_prep_mgmt_task(conn, task)) goto free_task; @@ -987,8 +990,11 @@ static int iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr) struct iscsi_nopout hdr; struct iscsi_task *task; - if (!rhdr && conn->ping_task) - return -EINVAL; + if (!rhdr) { + if (READ_ONCE(conn->ping_task)) + return -EINVAL; + WRITE_ONCE(conn->ping_task, INVALID_SCSI_TASK); + } memset(&hdr, 0, sizeof(struct iscsi_nopout)); hdr.opcode = ISCSI_OP_NOOP_OUT | ISCSI_OP_IMMEDIATE; @@ -1003,11 +1009,12 @@ static int iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr) task = __iscsi_conn_send_pdu(conn, (struct iscsi_hdr *)&hdr, NULL, 0); if (!task) { + if (!rhdr) + WRITE_ONCE(conn->ping_task, NULL); iscsi_conn_printk(KERN_ERR, conn, "Could not send nopout\n"); return -EIO; } else if (!rhdr) { /* only track our nops */ - conn->ping_task = task; conn->last_ping = jiffies; } @@ -1020,7 +1027,7 @@ static int iscsi_nop_out_rsp(struct iscsi_task *task, struct iscsi_conn *conn = task->conn; int rc = 0; - if (conn->ping_task != task) { + if (READ_ONCE(conn->ping_task) != task) { /* * If this is not in response to one of our * nops then it must be from userspace. @@ -1561,14 +1568,9 @@ check_mgmt: } rc = iscsi_prep_scsi_cmd_pdu(conn->task); if (rc) { - if (rc == -ENOMEM || rc == -EACCES) { - spin_lock_bh(&conn->taskqueuelock); - list_add_tail(&conn->task->running, - &conn->cmdqueue); - conn->task = NULL; - spin_unlock_bh(&conn->taskqueuelock); - goto done; - } else + if (rc == -ENOMEM || rc == -EACCES) + fail_scsi_task(conn->task, DID_IMM_RETRY); + else fail_scsi_task(conn->task, DID_ABORT); spin_lock_bh(&conn->taskqueuelock); continue; @@ -1960,7 +1962,7 @@ static void iscsi_start_tx(struct iscsi_conn *conn) */ static int iscsi_has_ping_timed_out(struct iscsi_conn *conn) { - if (conn->ping_task && + if (READ_ONCE(conn->ping_task) && time_before_eq(conn->last_recv + (conn->recv_timeout * HZ) + (conn->ping_timeout * HZ), jiffies)) return 1; @@ -2095,7 +2097,7 @@ static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc) * Checking the transport already or nop from a cmd timeout still * running */ - if (conn->ping_task) { + if (READ_ONCE(conn->ping_task)) { task->have_checked_conn = true; rc = BLK_EH_RESET_TIMER; goto done; @@ -3364,125 +3366,125 @@ int iscsi_session_get_param(struct iscsi_cls_session *cls_session, switch(param) { case ISCSI_PARAM_FAST_ABORT: - len = sprintf(buf, "%d\n", session->fast_abort); + len = sysfs_emit(buf, "%d\n", session->fast_abort); break; case ISCSI_PARAM_ABORT_TMO: - len = sprintf(buf, "%d\n", session->abort_timeout); + len = sysfs_emit(buf, "%d\n", session->abort_timeout); break; case ISCSI_PARAM_LU_RESET_TMO: - len = sprintf(buf, "%d\n", session->lu_reset_timeout); + len = sysfs_emit(buf, "%d\n", session->lu_reset_timeout); break; case ISCSI_PARAM_TGT_RESET_TMO: - len = sprintf(buf, "%d\n", session->tgt_reset_timeout); + len = sysfs_emit(buf, "%d\n", session->tgt_reset_timeout); break; case ISCSI_PARAM_INITIAL_R2T_EN: - len = sprintf(buf, "%d\n", session->initial_r2t_en); + len = sysfs_emit(buf, "%d\n", session->initial_r2t_en); break; case ISCSI_PARAM_MAX_R2T: - len = sprintf(buf, "%hu\n", session->max_r2t); + len = sysfs_emit(buf, "%hu\n", session->max_r2t); break; case ISCSI_PARAM_IMM_DATA_EN: - len = sprintf(buf, "%d\n", session->imm_data_en); + len = sysfs_emit(buf, "%d\n", session->imm_data_en); break; case ISCSI_PARAM_FIRST_BURST: - len = sprintf(buf, "%u\n", session->first_burst); + len = sysfs_emit(buf, "%u\n", session->first_burst); break; case ISCSI_PARAM_MAX_BURST: - len = sprintf(buf, "%u\n", session->max_burst); + len = sysfs_emit(buf, "%u\n", session->max_burst); break; case ISCSI_PARAM_PDU_INORDER_EN: - len = sprintf(buf, "%d\n", session->pdu_inorder_en); + len = sysfs_emit(buf, "%d\n", session->pdu_inorder_en); break; case ISCSI_PARAM_DATASEQ_INORDER_EN: - len = sprintf(buf, "%d\n", session->dataseq_inorder_en); + len = sysfs_emit(buf, "%d\n", session->dataseq_inorder_en); break; case ISCSI_PARAM_DEF_TASKMGMT_TMO: - len = sprintf(buf, "%d\n", session->def_taskmgmt_tmo); + len = sysfs_emit(buf, "%d\n", session->def_taskmgmt_tmo); break; case ISCSI_PARAM_ERL: - len = sprintf(buf, "%d\n", session->erl); + len = sysfs_emit(buf, "%d\n", session->erl); break; case ISCSI_PARAM_TARGET_NAME: - len = sprintf(buf, "%s\n", session->targetname); + len = sysfs_emit(buf, "%s\n", session->targetname); break; case ISCSI_PARAM_TARGET_ALIAS: - len = sprintf(buf, "%s\n", session->targetalias); + len = sysfs_emit(buf, "%s\n", session->targetalias); break; case ISCSI_PARAM_TPGT: - len = sprintf(buf, "%d\n", session->tpgt); + len = sysfs_emit(buf, "%d\n", session->tpgt); break; case ISCSI_PARAM_USERNAME: - len = sprintf(buf, "%s\n", session->username); + len = sysfs_emit(buf, "%s\n", session->username); break; case ISCSI_PARAM_USERNAME_IN: - len = sprintf(buf, "%s\n", session->username_in); + len = sysfs_emit(buf, "%s\n", session->username_in); break; case ISCSI_PARAM_PASSWORD: - len = sprintf(buf, "%s\n", session->password); + len = sysfs_emit(buf, "%s\n", session->password); break; case ISCSI_PARAM_PASSWORD_IN: - len = sprintf(buf, "%s\n", session->password_in); + len = sysfs_emit(buf, "%s\n", session->password_in); break; case ISCSI_PARAM_IFACE_NAME: - len = sprintf(buf, "%s\n", session->ifacename); + len = sysfs_emit(buf, "%s\n", session->ifacename); break; case ISCSI_PARAM_INITIATOR_NAME: - len = sprintf(buf, "%s\n", session->initiatorname); + len = sysfs_emit(buf, "%s\n", session->initiatorname); break; case ISCSI_PARAM_BOOT_ROOT: - len = sprintf(buf, "%s\n", session->boot_root); + len = sysfs_emit(buf, "%s\n", session->boot_root); break; case ISCSI_PARAM_BOOT_NIC: - len = sprintf(buf, "%s\n", session->boot_nic); + len = sysfs_emit(buf, "%s\n", session->boot_nic); break; case ISCSI_PARAM_BOOT_TARGET: - len = sprintf(buf, "%s\n", session->boot_target); + len = sysfs_emit(buf, "%s\n", session->boot_target); break; case ISCSI_PARAM_AUTO_SND_TGT_DISABLE: - len = sprintf(buf, "%u\n", session->auto_snd_tgt_disable); + len = sysfs_emit(buf, "%u\n", session->auto_snd_tgt_disable); break; case ISCSI_PARAM_DISCOVERY_SESS: - len = sprintf(buf, "%u\n", session->discovery_sess); + len = sysfs_emit(buf, "%u\n", session->discovery_sess); break; case ISCSI_PARAM_PORTAL_TYPE: - len = sprintf(buf, "%s\n", session->portal_type); + len = sysfs_emit(buf, "%s\n", session->portal_type); break; case ISCSI_PARAM_CHAP_AUTH_EN: - len = sprintf(buf, "%u\n", session->chap_auth_en); + len = sysfs_emit(buf, "%u\n", session->chap_auth_en); break; case ISCSI_PARAM_DISCOVERY_LOGOUT_EN: - len = sprintf(buf, "%u\n", session->discovery_logout_en); + len = sysfs_emit(buf, "%u\n", session->discovery_logout_en); break; case ISCSI_PARAM_BIDI_CHAP_EN: - len = sprintf(buf, "%u\n", session->bidi_chap_en); + len = sysfs_emit(buf, "%u\n", session->bidi_chap_en); break; case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL: - len = sprintf(buf, "%u\n", session->discovery_auth_optional); + len = sysfs_emit(buf, "%u\n", session->discovery_auth_optional); break; case ISCSI_PARAM_DEF_TIME2WAIT: - len = sprintf(buf, "%d\n", session->time2wait); + len = sysfs_emit(buf, "%d\n", session->time2wait); break; case ISCSI_PARAM_DEF_TIME2RETAIN: - len = sprintf(buf, "%d\n", session->time2retain); + len = sysfs_emit(buf, "%d\n", session->time2retain); break; case ISCSI_PARAM_TSID: - len = sprintf(buf, "%u\n", session->tsid); + len = sysfs_emit(buf, "%u\n", session->tsid); break; case ISCSI_PARAM_ISID: - len = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n", + len = sysfs_emit(buf, "%02x%02x%02x%02x%02x%02x\n", session->isid[0], session->isid[1], session->isid[2], session->isid[3], session->isid[4], session->isid[5]); break; case ISCSI_PARAM_DISCOVERY_PARENT_IDX: - len = sprintf(buf, "%u\n", session->discovery_parent_idx); + len = sysfs_emit(buf, "%u\n", session->discovery_parent_idx); break; case ISCSI_PARAM_DISCOVERY_PARENT_TYPE: if (session->discovery_parent_type) - len = sprintf(buf, "%s\n", + len = sysfs_emit(buf, "%s\n", session->discovery_parent_type); else - len = sprintf(buf, "\n"); + len = sysfs_emit(buf, "\n"); break; default: return -ENOSYS; @@ -3514,16 +3516,16 @@ int iscsi_conn_get_addr_param(struct sockaddr_storage *addr, case ISCSI_PARAM_CONN_ADDRESS: case ISCSI_HOST_PARAM_IPADDRESS: if (sin) - len = sprintf(buf, "%pI4\n", &sin->sin_addr.s_addr); + len = sysfs_emit(buf, "%pI4\n", &sin->sin_addr.s_addr); else - len = sprintf(buf, "%pI6\n", &sin6->sin6_addr); + len = sysfs_emit(buf, "%pI6\n", &sin6->sin6_addr); break; case ISCSI_PARAM_CONN_PORT: case ISCSI_PARAM_LOCAL_PORT: if (sin) - len = sprintf(buf, "%hu\n", be16_to_cpu(sin->sin_port)); + len = sysfs_emit(buf, "%hu\n", be16_to_cpu(sin->sin_port)); else - len = sprintf(buf, "%hu\n", + len = sysfs_emit(buf, "%hu\n", be16_to_cpu(sin6->sin6_port)); break; default: @@ -3542,88 +3544,88 @@ int iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn, switch(param) { case ISCSI_PARAM_PING_TMO: - len = sprintf(buf, "%u\n", conn->ping_timeout); + len = sysfs_emit(buf, "%u\n", conn->ping_timeout); break; case ISCSI_PARAM_RECV_TMO: - len = sprintf(buf, "%u\n", conn->recv_timeout); + len = sysfs_emit(buf, "%u\n", conn->recv_timeout); break; case ISCSI_PARAM_MAX_RECV_DLENGTH: - len = sprintf(buf, "%u\n", conn->max_recv_dlength); + len = sysfs_emit(buf, "%u\n", conn->max_recv_dlength); break; case ISCSI_PARAM_MAX_XMIT_DLENGTH: - len = sprintf(buf, "%u\n", conn->max_xmit_dlength); + len = sysfs_emit(buf, "%u\n", conn->max_xmit_dlength); break; case ISCSI_PARAM_HDRDGST_EN: - len = sprintf(buf, "%d\n", conn->hdrdgst_en); + len = sysfs_emit(buf, "%d\n", conn->hdrdgst_en); break; case ISCSI_PARAM_DATADGST_EN: - len = sprintf(buf, "%d\n", conn->datadgst_en); + len = sysfs_emit(buf, "%d\n", conn->datadgst_en); break; case ISCSI_PARAM_IFMARKER_EN: - len = sprintf(buf, "%d\n", conn->ifmarker_en); + len = sysfs_emit(buf, "%d\n", conn->ifmarker_en); break; case ISCSI_PARAM_OFMARKER_EN: - len = sprintf(buf, "%d\n", conn->ofmarker_en); + len = sysfs_emit(buf, "%d\n", conn->ofmarker_en); break; case ISCSI_PARAM_EXP_STATSN: - len = sprintf(buf, "%u\n", conn->exp_statsn); + len = sysfs_emit(buf, "%u\n", conn->exp_statsn); break; case ISCSI_PARAM_PERSISTENT_PORT: - len = sprintf(buf, "%d\n", conn->persistent_port); + len = sysfs_emit(buf, "%d\n", conn->persistent_port); break; case ISCSI_PARAM_PERSISTENT_ADDRESS: - len = sprintf(buf, "%s\n", conn->persistent_address); + len = sysfs_emit(buf, "%s\n", conn->persistent_address); break; case ISCSI_PARAM_STATSN: - len = sprintf(buf, "%u\n", conn->statsn); + len = sysfs_emit(buf, "%u\n", conn->statsn); break; case ISCSI_PARAM_MAX_SEGMENT_SIZE: - len = sprintf(buf, "%u\n", conn->max_segment_size); + len = sysfs_emit(buf, "%u\n", conn->max_segment_size); break; case ISCSI_PARAM_KEEPALIVE_TMO: - len = sprintf(buf, "%u\n", conn->keepalive_tmo); + len = sysfs_emit(buf, "%u\n", conn->keepalive_tmo); break; case ISCSI_PARAM_LOCAL_PORT: - len = sprintf(buf, "%u\n", conn->local_port); + len = sysfs_emit(buf, "%u\n", conn->local_port); break; case ISCSI_PARAM_TCP_TIMESTAMP_STAT: - len = sprintf(buf, "%u\n", conn->tcp_timestamp_stat); + len = sysfs_emit(buf, "%u\n", conn->tcp_timestamp_stat); break; case ISCSI_PARAM_TCP_NAGLE_DISABLE: - len = sprintf(buf, "%u\n", conn->tcp_nagle_disable); + len = sysfs_emit(buf, "%u\n", conn->tcp_nagle_disable); break; case ISCSI_PARAM_TCP_WSF_DISABLE: - len = sprintf(buf, "%u\n", conn->tcp_wsf_disable); + len = sysfs_emit(buf, "%u\n", conn->tcp_wsf_disable); break; case ISCSI_PARAM_TCP_TIMER_SCALE: - len = sprintf(buf, "%u\n", conn->tcp_timer_scale); + len = sysfs_emit(buf, "%u\n", conn->tcp_timer_scale); break; case ISCSI_PARAM_TCP_TIMESTAMP_EN: - len = sprintf(buf, "%u\n", conn->tcp_timestamp_en); + len = sysfs_emit(buf, "%u\n", conn->tcp_timestamp_en); break; case ISCSI_PARAM_IP_FRAGMENT_DISABLE: - len = sprintf(buf, "%u\n", conn->fragment_disable); + len = sysfs_emit(buf, "%u\n", conn->fragment_disable); break; case ISCSI_PARAM_IPV4_TOS: - len = sprintf(buf, "%u\n", conn->ipv4_tos); + len = sysfs_emit(buf, "%u\n", conn->ipv4_tos); break; case ISCSI_PARAM_IPV6_TC: - len = sprintf(buf, "%u\n", conn->ipv6_traffic_class); + len = sysfs_emit(buf, "%u\n", conn->ipv6_traffic_class); break; case ISCSI_PARAM_IPV6_FLOW_LABEL: - len = sprintf(buf, "%u\n", conn->ipv6_flow_label); + len = sysfs_emit(buf, "%u\n", conn->ipv6_flow_label); break; case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6: - len = sprintf(buf, "%u\n", conn->is_fw_assigned_ipv6); + len = sysfs_emit(buf, "%u\n", conn->is_fw_assigned_ipv6); break; case ISCSI_PARAM_TCP_XMIT_WSF: - len = sprintf(buf, "%u\n", conn->tcp_xmit_wsf); + len = sysfs_emit(buf, "%u\n", conn->tcp_xmit_wsf); break; case ISCSI_PARAM_TCP_RECV_WSF: - len = sprintf(buf, "%u\n", conn->tcp_recv_wsf); + len = sysfs_emit(buf, "%u\n", conn->tcp_recv_wsf); break; case ISCSI_PARAM_LOCAL_IPADDR: - len = sprintf(buf, "%s\n", conn->local_ipaddr); + len = sysfs_emit(buf, "%s\n", conn->local_ipaddr); break; default: return -ENOSYS; @@ -3641,13 +3643,13 @@ int iscsi_host_get_param(struct Scsi_Host *shost, enum iscsi_host_param param, switch (param) { case ISCSI_HOST_PARAM_NETDEV_NAME: - len = sprintf(buf, "%s\n", ihost->netdev); + len = sysfs_emit(buf, "%s\n", ihost->netdev); break; case ISCSI_HOST_PARAM_HWADDRESS: - len = sprintf(buf, "%s\n", ihost->hwaddress); + len = sysfs_emit(buf, "%s\n", ihost->hwaddress); break; case ISCSI_HOST_PARAM_INITIATOR_NAME: - len = sprintf(buf, "%s\n", ihost->initiatorname); + len = sysfs_emit(buf, "%s\n", ihost->initiatorname); break; default: return -ENOSYS; diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 68b33abeaa5f..eba0d4ef546d 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -216,18 +216,17 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc) memcpy(task->ata_task.atapi_packet, qc->cdb, qc->dev->cdb_len); task->total_xfer_len = qc->nbytes; task->num_scatter = qc->n_elem; + task->data_dir = qc->dma_dir; + } else if (qc->tf.protocol == ATA_PROT_NODATA) { + task->data_dir = DMA_NONE; } else { for_each_sg(qc->sg, sg, qc->n_elem, si) xfer += sg_dma_len(sg); task->total_xfer_len = xfer; task->num_scatter = si; - } - - if (qc->tf.protocol == ATA_PROT_NODATA) - task->data_dir = DMA_NONE; - else task->data_dir = qc->dma_dir; + } task->scatter = qc->sg; task->ata_task.retry_count = 1; task->task_state_flags = SAS_TASK_STATE_PENDING; diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c index d3c5297c6c89..30e0730f613e 100644 --- a/drivers/scsi/libsas/sas_port.c +++ b/drivers/scsi/libsas/sas_port.c @@ -41,7 +41,7 @@ static bool phy_is_wideport_member(struct asd_sas_port *port, struct asd_sas_phy static void sas_resume_port(struct asd_sas_phy *phy) { - struct domain_device *dev; + struct domain_device *dev, *n; struct asd_sas_port *port = phy->port; struct sas_ha_struct *sas_ha = phy->ha; struct sas_internal *si = to_sas_internal(sas_ha->core.shost->transportt); @@ -60,7 +60,7 @@ static void sas_resume_port(struct asd_sas_phy *phy) * 1/ presume every device came back * 2/ force the next revalidation to check all expander phys */ - list_for_each_entry(dev, &port->dev_list, dev_list_node) { + list_for_each_entry_safe(dev, n, &port->dev_list, dev_list_node) { int i, rc; rc = sas_notify_lldd_dev_found(dev); diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 25aa9b98d53a..034d09f8d341 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -1061,7 +1061,7 @@ lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf, memset(dstbuf, 0, 32); size = (nbytes < 32) ? nbytes : 32; if (copy_from_user(dstbuf, buf, size)) - return 0; + return -EFAULT; if (dent == phba->debug_InjErrLBA) { if ((buf[0] == 'o') && (buf[1] == 'f') && (buf[2] == 'f')) @@ -1069,7 +1069,7 @@ lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf, } if ((tmp == 0) && (kstrtoull(dstbuf, 0, &tmp))) - return 0; + return -EINVAL; if (dent == phba->debug_writeGuard) phba->lpfc_injerr_wgrd_cnt = (uint32_t)tmp; diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 6aa0698925da..1a44102b43c3 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -1604,8 +1604,6 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; lpfc_issue_els_logo(vport, ndlp, 0); - ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; - lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); return ndlp->nlp_state; } diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 97c0d79a2601..9055a8fce3d4 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -15049,7 +15049,6 @@ lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba *phba, if (cmd_iocbq) { ndlp = (struct lpfc_nodelist *)cmd_iocbq->context1; lpfc_nlp_put(ndlp); - lpfc_nlp_not_used(ndlp); lpfc_sli_release_iocbq(phba, cmd_iocbq); } diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c index 39285070f3b5..17ec51f9d988 100644 --- a/drivers/scsi/mvumi.c +++ b/drivers/scsi/mvumi.c @@ -2476,6 +2476,7 @@ static int mvumi_io_attach(struct mvumi_hba *mhba) if (IS_ERR(mhba->dm_thread)) { dev_err(&mhba->pdev->dev, "failed to create device scan thread\n"); + ret = PTR_ERR(mhba->dm_thread); mutex_unlock(&mhba->sas_discovery_mutex); goto fail_create_thread; } diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 062ab34b86f8..a982701bc3e0 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -1063,7 +1063,8 @@ static int pm8001_pci_probe(struct pci_dev *pdev, pm8001_init_sas_add(pm8001_ha); /* phy setting support for motherboard controller */ - if (pm8001_configure_phy_settings(pm8001_ha)) + rc = pm8001_configure_phy_settings(pm8001_ha); + if (rc) goto err_out_shost; pm8001_post_sas_ha_init(shost, chip); diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c index 65f8d2d94159..46f7e3988009 100644 --- a/drivers/scsi/qla2xxx/qla_nx.c +++ b/drivers/scsi/qla2xxx/qla_nx.c @@ -1103,7 +1103,8 @@ qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr, return ret; } - if (qla82xx_flash_set_write_enable(ha)) + ret = qla82xx_flash_set_write_enable(ha); + if (ret < 0) goto done_write; qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, data); diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 1d9f19e5e0f8..0a8a5841e1b8 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -1042,6 +1042,7 @@ void qlt_stop_phase2(struct qla_tgt *tgt) "Waiting for %d IRQ commands to complete (tgt %p)", tgt->irq_cmd_count, tgt); + mutex_lock(&tgt->ha->optrom_mutex); mutex_lock(&vha->vha_tgt.tgt_mutex); spin_lock_irqsave(&ha->hardware_lock, flags); while (tgt->irq_cmd_count != 0) { @@ -1053,6 +1054,7 @@ void qlt_stop_phase2(struct qla_tgt *tgt) tgt->tgt_stopped = 1; spin_unlock_irqrestore(&ha->hardware_lock, flags); mutex_unlock(&vha->vha_tgt.tgt_mutex); + mutex_unlock(&tgt->ha->optrom_mutex); ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00c, "Stop of tgt %p finished", tgt); diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index bca584ae45b7..7a6fafa8ba56 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -112,7 +112,6 @@ (min(1270, ((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD_24XX + \ QLA_TGT_DATASEGS_PER_CONT_24XX*((ql) - 1)) : 0)) #endif -#endif #define GET_TARGET_ID(ha, iocb) ((HAS_EXTENDED_IDS(ha)) \ ? le16_to_cpu((iocb)->u.isp2x.target.extended) \ @@ -323,6 +322,7 @@ struct ctio_to_2xxx { #ifndef CTIO_RET_TYPE #define CTIO_RET_TYPE 0x17 /* CTIO return entry */ #define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */ +#endif struct fcp_hdr { uint8_t r_ctl; diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmpl.c index c3e622524604..74372aaf209d 100644 --- a/drivers/scsi/qla2xxx/qla_tmpl.c +++ b/drivers/scsi/qla2xxx/qla_tmpl.c @@ -871,7 +871,8 @@ qla27xx_template_checksum(void *p, ulong size) static inline int qla27xx_verify_template_checksum(struct qla27xx_fwdt_template *tmp) { - return qla27xx_template_checksum(tmp, tmp->template_size) == 0; + return qla27xx_template_checksum(tmp, + le32_to_cpu(tmp->template_size)) == 0; } static inline int @@ -887,7 +888,7 @@ qla27xx_execute_fwdt_template(struct scsi_qla_host *vha) ulong len; if (qla27xx_fwdt_template_valid(tmp)) { - len = tmp->template_size; + len = le32_to_cpu(tmp->template_size); tmp = memcpy(vha->hw->fw_dump, tmp, len); ql27xx_edit_template(vha, tmp); qla27xx_walk_template(vha, tmp, tmp, &len); @@ -903,7 +904,7 @@ qla27xx_fwdt_calculate_dump_size(struct scsi_qla_host *vha) ulong len = 0; if (qla27xx_fwdt_template_valid(tmp)) { - len = tmp->template_size; + len = le32_to_cpu(tmp->template_size); qla27xx_walk_template(vha, tmp, NULL, &len); } @@ -915,7 +916,7 @@ qla27xx_fwdt_template_size(void *p) { struct qla27xx_fwdt_template *tmp = p; - return tmp->template_size; + return le32_to_cpu(tmp->template_size); } ulong diff --git a/drivers/scsi/qla2xxx/qla_tmpl.h b/drivers/scsi/qla2xxx/qla_tmpl.h index 141c1c5e73f4..2d3e1a8349b3 100644 --- a/drivers/scsi/qla2xxx/qla_tmpl.h +++ b/drivers/scsi/qla2xxx/qla_tmpl.h @@ -13,7 +13,7 @@ struct __packed qla27xx_fwdt_template { uint32_t template_type; uint32_t entry_offset; - uint32_t template_size; + __le32 template_size; uint32_t reserved_1; uint32_t entry_count; diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 3fda5836aac6..f10088a1d38c 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -1223,7 +1223,7 @@ static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len) le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error); exit_host_stats: if (ql_iscsi_stats) - dma_free_coherent(&ha->pdev->dev, host_stats_size, + dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, iscsi_stats_dma); ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n", diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 3e2288af56bc..647a057a9b6c 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -1710,15 +1710,16 @@ static void scsi_sysfs_add_devices(struct Scsi_Host *shost) */ static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost) { - struct async_scan_data *data; + struct async_scan_data *data = NULL; unsigned long flags; if (strncmp(scsi_scan_type, "sync", 4) == 0) return NULL; + mutex_lock(&shost->scan_mutex); if (shost->async_scan) { shost_printk(KERN_DEBUG, shost, "%s called twice\n", __func__); - return NULL; + goto err; } data = kmalloc(sizeof(*data), GFP_KERNEL); @@ -1729,7 +1730,6 @@ static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost) goto err; init_completion(&data->prev_finished); - mutex_lock(&shost->scan_mutex); spin_lock_irqsave(shost->host_lock, flags); shost->async_scan = 1; spin_unlock_irqrestore(shost->host_lock, flags); @@ -1744,6 +1744,7 @@ static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost) return data; err: + mutex_unlock(&shost->scan_mutex); kfree(data); return NULL; } diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 490364031648..42bc4b71b0ba 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -119,7 +119,11 @@ show_transport_handle(struct device *dev, struct device_attribute *attr, char *buf) { struct iscsi_internal *priv = dev_to_iscsi_internal(dev); - return sprintf(buf, "%llu\n", (unsigned long long)iscsi_handle(priv->iscsi_transport)); + + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + return sysfs_emit(buf, "%llu\n", + (unsigned long long)iscsi_handle(priv->iscsi_transport)); } static DEVICE_ATTR(handle, S_IRUGO, show_transport_handle, NULL); @@ -129,7 +133,7 @@ show_transport_##name(struct device *dev, \ struct device_attribute *attr,char *buf) \ { \ struct iscsi_internal *priv = dev_to_iscsi_internal(dev); \ - return sprintf(buf, format"\n", priv->iscsi_transport->name); \ + return sysfs_emit(buf, format"\n", priv->iscsi_transport->name);\ } \ static DEVICE_ATTR(name, S_IRUGO, show_transport_##name, NULL); @@ -170,7 +174,7 @@ static ssize_t show_ep_handle(struct device *dev, struct device_attribute *attr, char *buf) { struct iscsi_endpoint *ep = iscsi_dev_to_endpoint(dev); - return sprintf(buf, "%llu\n", (unsigned long long) ep->id); + return sysfs_emit(buf, "%llu\n", (unsigned long long) ep->id); } static ISCSI_ATTR(ep, handle, S_IRUGO, show_ep_handle, NULL); @@ -2783,6 +2787,9 @@ iscsi_set_param(struct iscsi_transport *transport, struct iscsi_uevent *ev) struct iscsi_cls_session *session; int err = 0, value = 0; + if (ev->u.set_param.len > PAGE_SIZE) + return -EINVAL; + session = iscsi_session_lookup(ev->u.set_param.sid); conn = iscsi_conn_lookup(ev->u.set_param.sid, ev->u.set_param.cid); if (!conn || !session) @@ -2930,6 +2937,9 @@ iscsi_set_host_param(struct iscsi_transport *transport, if (!transport->set_host_param) return -ENOSYS; + if (ev->u.set_host_param.len > PAGE_SIZE) + return -EINVAL; + shost = scsi_host_lookup(ev->u.set_host_param.host_no); if (!shost) { printk(KERN_ERR "set_host_param could not find host no %u\n", @@ -3516,6 +3526,7 @@ static int iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) { int err = 0; + u32 pdu_len; struct iscsi_uevent *ev = nlmsg_data(nlh); struct iscsi_transport *transport = NULL; struct iscsi_internal *priv; @@ -3523,6 +3534,9 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) struct iscsi_cls_conn *conn; struct iscsi_endpoint *ep = NULL; + if (!netlink_capable(skb, CAP_SYS_ADMIN)) + return -EPERM; + if (nlh->nlmsg_type == ISCSI_UEVENT_PATH_UPDATE) *group = ISCSI_NL_GRP_UIP; else @@ -3628,6 +3642,14 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) err = -EINVAL; break; case ISCSI_UEVENT_SEND_PDU: + pdu_len = nlh->nlmsg_len - sizeof(*nlh) - sizeof(*ev); + + if ((ev->u.send_pdu.hdr_size > pdu_len) || + (ev->u.send_pdu.data_size > (pdu_len - ev->u.send_pdu.hdr_size))) { + err = -EINVAL; + break; + } + conn = iscsi_conn_lookup(ev->u.send_pdu.sid, ev->u.send_pdu.cid); if (conn) ev->r.retcode = transport->send_pdu(conn, @@ -4032,7 +4054,7 @@ show_priv_session_state(struct device *dev, struct device_attribute *attr, char *buf) { struct iscsi_cls_session *session = iscsi_dev_to_session(dev->parent); - return sprintf(buf, "%s\n", iscsi_session_state_name(session->state)); + return sysfs_emit(buf, "%s\n", iscsi_session_state_name(session->state)); } static ISCSI_CLASS_ATTR(priv_sess, state, S_IRUGO, show_priv_session_state, NULL); @@ -4041,7 +4063,7 @@ show_priv_session_creator(struct device *dev, struct device_attribute *attr, char *buf) { struct iscsi_cls_session *session = iscsi_dev_to_session(dev->parent); - return sprintf(buf, "%d\n", session->creator); + return sysfs_emit(buf, "%d\n", session->creator); } static ISCSI_CLASS_ATTR(priv_sess, creator, S_IRUGO, show_priv_session_creator, NULL); @@ -4050,7 +4072,7 @@ show_priv_session_target_id(struct device *dev, struct device_attribute *attr, char *buf) { struct iscsi_cls_session *session = iscsi_dev_to_session(dev->parent); - return sprintf(buf, "%d\n", session->target_id); + return sysfs_emit(buf, "%d\n", session->target_id); } static ISCSI_CLASS_ATTR(priv_sess, target_id, S_IRUGO, show_priv_session_target_id, NULL); @@ -4063,8 +4085,8 @@ show_priv_session_##field(struct device *dev, \ struct iscsi_cls_session *session = \ iscsi_dev_to_session(dev->parent); \ if (session->field == -1) \ - return sprintf(buf, "off\n"); \ - return sprintf(buf, format"\n", session->field); \ + return sysfs_emit(buf, "off\n"); \ + return sysfs_emit(buf, format"\n", session->field); \ } #define iscsi_priv_session_attr_store(field) \ diff --git a/drivers/scsi/sni_53c710.c b/drivers/scsi/sni_53c710.c index b0f5220ae23a..fad68cb028d6 100644 --- a/drivers/scsi/sni_53c710.c +++ b/drivers/scsi/sni_53c710.c @@ -71,6 +71,7 @@ static int snirm710_probe(struct platform_device *dev) struct NCR_700_Host_Parameters *hostdata; struct Scsi_Host *host; struct resource *res; + int rc; res = platform_get_resource(dev, IORESOURCE_MEM, 0); if (!res) @@ -96,7 +97,9 @@ static int snirm710_probe(struct platform_device *dev) goto out_kfree; host->this_id = 7; host->base = base; - host->irq = platform_get_irq(dev, 0); + host->irq = rc = platform_get_irq(dev, 0); + if (rc < 0) + goto out_put_host; if(request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "snirm710", host)) { printk(KERN_ERR "snirm710: request_irq failed!\n"); goto out_put_host; diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 088a68ab4246..3a3876091a9d 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -1267,8 +1267,8 @@ static int st_open(struct inode *inode, struct file *filp) spin_lock(&st_use_lock); if (STp->in_use) { spin_unlock(&st_use_lock); - scsi_tape_put(STp); DEBC_printk(STp, "Device already in use.\n"); + scsi_tape_put(STp); return (-EBUSY); } diff --git a/drivers/scsi/sun3x_esp.c b/drivers/scsi/sun3x_esp.c index d50c5ed8f428..167ae2d29e47 100644 --- a/drivers/scsi/sun3x_esp.c +++ b/drivers/scsi/sun3x_esp.c @@ -233,7 +233,9 @@ static int esp_sun3x_probe(struct platform_device *dev) if (!esp->command_block) goto fail_unmap_regs_dma; - host->irq = platform_get_irq(dev, 0); + host->irq = err = platform_get_irq(dev, 0); + if (err < 0) + goto fail_unmap_command_block; err = request_irq(host->irq, scsi_esp_intr, IRQF_SHARED, "SUN3X ESP", esp); if (err < 0) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index d7a0a64f6453..5e1d922e9a6f 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -3818,19 +3818,16 @@ static int ufshcd_eh_device_reset_handler(struct scsi_cmnd *cmd) { struct Scsi_Host *host; struct ufs_hba *hba; - unsigned int tag; u32 pos; int err; - u8 resp = 0xF; - struct ufshcd_lrb *lrbp; + u8 resp = 0xF, lun; unsigned long flags; host = cmd->device->host; hba = shost_priv(host); - tag = cmd->request->tag; - lrbp = &hba->lrb[tag]; - err = ufshcd_issue_tm_cmd(hba, lrbp->lun, 0, UFS_LOGICAL_RESET, &resp); + lun = ufshcd_scsi_to_upiu_lun(cmd->device->lun); + err = ufshcd_issue_tm_cmd(hba, lun, 0, UFS_LOGICAL_RESET, &resp); if (err || resp != UPIU_TASK_MANAGEMENT_FUNC_COMPL) { if (!err) err = resp; @@ -3839,7 +3836,7 @@ static int ufshcd_eh_device_reset_handler(struct scsi_cmnd *cmd) /* clear the commands that were pending for corresponding LUN */ for_each_set_bit(pos, &hba->outstanding_reqs, hba->nutrs) { - if (hba->lrb[pos].lun == lrbp->lun) { + if (hba->lrb[pos].lun == lun) { err = ufshcd_clear_cmd(hba, pos); if (err) break; @@ -5387,11 +5384,7 @@ int ufshcd_shutdown(struct ufs_hba *hba) if (ufshcd_is_ufs_dev_poweroff(hba) && ufshcd_is_link_off(hba)) goto out; - if (pm_runtime_suspended(hba->dev)) { - ret = ufshcd_runtime_resume(hba); - if (ret) - goto out; - } + pm_runtime_get_sync(hba->dev); ret = ufshcd_suspend(hba, UFS_SHUTDOWN_PM); out: diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index 3f2a5d6c437b..d25cf084afe7 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -558,7 +558,13 @@ static void pvscsi_complete_request(struct pvscsi_adapter *adapter, case BTSTAT_SUCCESS: case BTSTAT_LINKED_COMMAND_COMPLETED: case BTSTAT_LINKED_COMMAND_COMPLETED_WITH_FLAG: - /* If everything went fine, let's move on.. */ + /* + * Commands like INQUIRY may transfer less data than + * requested by the initiator via bufflen. Set residual + * count to make upper layer aware of the actual amount + * of data returned. + */ + scsi_set_resid(cmd, scsi_bufflen(cmd) - e->dataLen); cmd->result = (DID_OK << 16); break; diff --git a/drivers/soc/tegra/fuse/speedo-tegra210.c b/drivers/soc/tegra/fuse/speedo-tegra210.c index 5373f4c16b54..4403b89561fd 100644 --- a/drivers/soc/tegra/fuse/speedo-tegra210.c +++ b/drivers/soc/tegra/fuse/speedo-tegra210.c @@ -105,7 +105,7 @@ static int get_process_id(int value, const u32 *speedos, unsigned int num) unsigned int i; for (i = 0; i < num; i++) - if (value < speedos[num]) + if (value < speedos[i]) return i; return -EINVAL; diff --git a/drivers/soc/ti/knav_dma.c b/drivers/soc/ti/knav_dma.c index bc1b80ec6afe..838b87adf48b 100644 --- a/drivers/soc/ti/knav_dma.c +++ b/drivers/soc/ti/knav_dma.c @@ -752,8 +752,9 @@ static int knav_dma_probe(struct platform_device *pdev) pm_runtime_enable(kdev->dev); ret = pm_runtime_get_sync(kdev->dev); if (ret < 0) { + pm_runtime_put_noidle(kdev->dev); dev_err(kdev->dev, "unable to enable pktdma, err %d\n", ret); - return ret; + goto err_pm_disable; } /* Initialise all packet dmas */ @@ -767,13 +768,21 @@ static int knav_dma_probe(struct platform_device *pdev) if (list_empty(&kdev->list)) { dev_err(dev, "no valid dma instance\n"); - return -ENODEV; + ret = -ENODEV; + goto err_put_sync; } debugfs_create_file("knav_dma", S_IFREG | S_IRUGO, NULL, NULL, &knav_dma_debug_ops); return ret; + +err_put_sync: + pm_runtime_put_sync(kdev->dev); +err_pm_disable: + pm_runtime_disable(kdev->dev); + + return ret; } static int knav_dma_remove(struct platform_device *pdev) diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c index 8c03a80b482d..1aff6659655e 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -1717,6 +1717,7 @@ static int knav_queue_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); ret = pm_runtime_get_sync(&pdev->dev); if (ret < 0) { + pm_runtime_put_noidle(&pdev->dev); dev_err(dev, "Failed to enable QMSS\n"); return ret; } @@ -1784,9 +1785,10 @@ static int knav_queue_probe(struct platform_device *pdev) if (ret) goto err; - regions = of_get_child_by_name(node, "descriptor-regions"); + regions = of_get_child_by_name(node, "descriptor-regions"); if (!regions) { dev_err(dev, "descriptor-regions not specified\n"); + ret = -ENODEV; goto err; } ret = knav_queue_setup_regions(kdev, regions); diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 8b9c2a38d1cc..a81a3cbf1439 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -706,4 +706,7 @@ endif # SPI_MASTER # (slave support would go here) +config SPI_DYNAMIC + def_bool ACPI || OF_DYNAMIC || SPI_SLAVE + endif # SPI diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index 27680b336454..dfbcaaaee66f 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -742,7 +742,7 @@ static int bcm2835_spi_probe(struct platform_device *pdev) struct resource *res; int err; - master = spi_alloc_master(&pdev->dev, sizeof(*bs)); + master = devm_spi_alloc_master(&pdev->dev, sizeof(*bs)); if (!master) { dev_err(&pdev->dev, "spi_alloc_master() failed\n"); return -ENOMEM; @@ -764,23 +764,20 @@ static int bcm2835_spi_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); bs->regs = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(bs->regs)) { - err = PTR_ERR(bs->regs); - goto out_master_put; - } + if (IS_ERR(bs->regs)) + return PTR_ERR(bs->regs); bs->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(bs->clk)) { err = PTR_ERR(bs->clk); dev_err(&pdev->dev, "could not get clk: %d\n", err); - goto out_master_put; + return err; } bs->irq = platform_get_irq(pdev, 0); if (bs->irq <= 0) { dev_err(&pdev->dev, "could not get IRQ: %d\n", bs->irq); - err = bs->irq ? bs->irq : -ENODEV; - goto out_master_put; + return bs->irq ? bs->irq : -ENODEV; } clk_prepare_enable(bs->clk); @@ -795,21 +792,20 @@ static int bcm2835_spi_probe(struct platform_device *pdev) dev_name(&pdev->dev), master); if (err) { dev_err(&pdev->dev, "could not request IRQ: %d\n", err); - goto out_clk_disable; + goto out_dma_release; } err = spi_register_master(master); if (err) { dev_err(&pdev->dev, "could not register SPI master: %d\n", err); - goto out_clk_disable; + goto out_dma_release; } return 0; -out_clk_disable: +out_dma_release: + bcm2835_dma_release(master); clk_disable_unprepare(bs->clk); -out_master_put: - spi_master_put(master); return err; } diff --git a/drivers/spi/spi-bcm2835aux.c b/drivers/spi/spi-bcm2835aux.c index 5ffc2765a8dd..0b5aff090b2e 100644 --- a/drivers/spi/spi-bcm2835aux.c +++ b/drivers/spi/spi-bcm2835aux.c @@ -381,7 +381,7 @@ static int bcm2835aux_spi_probe(struct platform_device *pdev) unsigned long clk_hz; int err; - master = spi_alloc_master(&pdev->dev, sizeof(*bs)); + master = devm_spi_alloc_master(&pdev->dev, sizeof(*bs)); if (!master) { dev_err(&pdev->dev, "spi_alloc_master() failed\n"); return -ENOMEM; @@ -411,30 +411,27 @@ static int bcm2835aux_spi_probe(struct platform_device *pdev) /* the main area */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); bs->regs = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(bs->regs)) { - err = PTR_ERR(bs->regs); - goto out_master_put; - } + if (IS_ERR(bs->regs)) + return PTR_ERR(bs->regs); bs->clk = devm_clk_get(&pdev->dev, NULL); if ((!bs->clk) || (IS_ERR(bs->clk))) { err = PTR_ERR(bs->clk); dev_err(&pdev->dev, "could not get clk: %d\n", err); - goto out_master_put; + return err; } bs->irq = platform_get_irq(pdev, 0); if (bs->irq <= 0) { dev_err(&pdev->dev, "could not get IRQ: %d\n", bs->irq); - err = bs->irq ? bs->irq : -ENODEV; - goto out_master_put; + return bs->irq ? bs->irq : -ENODEV; } /* this also enables the HW block */ err = clk_prepare_enable(bs->clk); if (err) { dev_err(&pdev->dev, "could not prepare clock: %d\n", err); - goto out_master_put; + return err; } /* just checking if the clock returns a sane value */ @@ -467,8 +464,6 @@ static int bcm2835aux_spi_probe(struct platform_device *pdev) out_clk_disable: clk_disable_unprepare(bs->clk); -out_master_put: - spi_master_put(master); return err; } diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index 5a6749881ff9..05b5df04f3b8 100644 --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -116,6 +116,7 @@ struct cdns_spi { void __iomem *regs; struct clk *ref_clk; struct clk *pclk; + unsigned int clk_rate; u32 speed_hz; const u8 *txbuf; u8 *rxbuf; @@ -257,7 +258,7 @@ static void cdns_spi_config_clock_freq(struct spi_device *spi, u32 ctrl_reg, baud_rate_val; unsigned long frequency; - frequency = clk_get_rate(xspi->ref_clk); + frequency = xspi->clk_rate; ctrl_reg = cdns_spi_read(xspi, CDNS_SPI_CR_OFFSET); @@ -557,8 +558,9 @@ static int cdns_spi_probe(struct platform_device *pdev) master->set_cs = cdns_spi_chipselect; master->mode_bits = SPI_CPOL | SPI_CPHA; + xspi->clk_rate = clk_get_rate(xspi->ref_clk); /* Set to default valid value */ - master->max_speed_hz = clk_get_rate(xspi->ref_clk) / 4; + master->max_speed_hz = xspi->clk_rate / 4; xspi->speed_hz = master->max_speed_hz; master->bits_per_word_mask = SPI_BPW_MASK(8); diff --git a/drivers/spi/spi-dln2.c b/drivers/spi/spi-dln2.c index 3b7d91d94fea..64b64174ce2f 100644 --- a/drivers/spi/spi-dln2.c +++ b/drivers/spi/spi-dln2.c @@ -781,7 +781,7 @@ exit_free_master: static int dln2_spi_remove(struct platform_device *pdev) { - struct spi_master *master = spi_master_get(platform_get_drvdata(pdev)); + struct spi_master *master = platform_get_drvdata(pdev); struct dln2_spi *dln2 = spi_master_get_devdata(master); pm_runtime_disable(&pdev->dev); diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c index c46c0738c734..e58319e58ba4 100644 --- a/drivers/spi/spi-img-spfi.c +++ b/drivers/spi/spi-img-spfi.c @@ -773,8 +773,10 @@ static int img_spfi_resume(struct device *dev) int ret; ret = pm_runtime_get_sync(dev); - if (ret) + if (ret) { + pm_runtime_put_noidle(dev); return ret; + } spfi_reset(spfi); pm_runtime_put(dev); diff --git a/drivers/spi/spi-omap-100k.c b/drivers/spi/spi-omap-100k.c index 76a8425be227..1eccdc4a4581 100644 --- a/drivers/spi/spi-omap-100k.c +++ b/drivers/spi/spi-omap-100k.c @@ -435,7 +435,7 @@ err: static int omap1_spi100k_remove(struct platform_device *pdev) { - struct spi_master *master = spi_master_get(platform_get_drvdata(pdev)); + struct spi_master *master = platform_get_drvdata(pdev); struct omap1_spi100k *spi100k = spi_master_get_devdata(master); pm_runtime_disable(&pdev->dev); @@ -449,7 +449,7 @@ static int omap1_spi100k_remove(struct platform_device *pdev) #ifdef CONFIG_PM static int omap1_spi100k_runtime_suspend(struct device *dev) { - struct spi_master *master = spi_master_get(dev_get_drvdata(dev)); + struct spi_master *master = dev_get_drvdata(dev); struct omap1_spi100k *spi100k = spi_master_get_devdata(master); clk_disable_unprepare(spi100k->ick); @@ -460,7 +460,7 @@ static int omap1_spi100k_runtime_suspend(struct device *dev) static int omap1_spi100k_runtime_resume(struct device *dev) { - struct spi_master *master = spi_master_get(dev_get_drvdata(dev)); + struct spi_master *master = dev_get_drvdata(dev); struct omap1_spi100k *spi100k = spi_master_get_devdata(master); int ret; diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index cfcc5a9a5cc9..d696cdd961a9 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1479,7 +1479,7 @@ static int pxa2xx_spi_probe(struct platform_device *pdev) return -ENODEV; } - master = spi_alloc_master(dev, sizeof(struct driver_data)); + master = devm_spi_alloc_master(dev, sizeof(*drv_data)); if (!master) { dev_err(&pdev->dev, "cannot alloc spi_master\n"); pxa_ssp_free(ssp); @@ -1619,7 +1619,6 @@ out_error_clock_enabled: free_irq(ssp->irq, drv_data); out_error_master_alloc: - spi_master_put(master); pxa_ssp_free(ssp); return status; } diff --git a/drivers/spi/spi-rb4xx.c b/drivers/spi/spi-rb4xx.c index 3641d0e20135..1d7fd6dbaf87 100644 --- a/drivers/spi/spi-rb4xx.c +++ b/drivers/spi/spi-rb4xx.c @@ -148,7 +148,7 @@ static int rb4xx_spi_probe(struct platform_device *pdev) if (IS_ERR(spi_base)) return PTR_ERR(spi_base); - master = spi_alloc_master(&pdev->dev, sizeof(*rbspi)); + master = devm_spi_alloc_master(&pdev->dev, sizeof(*rbspi)); if (!master) return -ENOMEM; diff --git a/drivers/spi/spi-s3c24xx-fiq.S b/drivers/spi/spi-s3c24xx-fiq.S index 059f2dc1fda2..1565c792da07 100644 --- a/drivers/spi/spi-s3c24xx-fiq.S +++ b/drivers/spi/spi-s3c24xx-fiq.S @@ -36,7 +36,6 @@ @ and an offset to the irq acknowledgment word ENTRY(s3c24xx_spi_fiq_rx) -s3c24xx_spi_fix_rx: .word fiq_rx_end - fiq_rx_start .word fiq_rx_irq_ack - fiq_rx_start fiq_rx_start: @@ -50,7 +49,7 @@ fiq_rx_start: strb fiq_rtmp, [ fiq_rspi, # S3C2410_SPTDAT ] subs fiq_rcount, fiq_rcount, #1 - subnes pc, lr, #4 @@ return, still have work to do + subsne pc, lr, #4 @@ return, still have work to do @@ set IRQ controller so that next op will trigger IRQ mov fiq_rtmp, #0 @@ -62,7 +61,6 @@ fiq_rx_irq_ack: fiq_rx_end: ENTRY(s3c24xx_spi_fiq_txrx) -s3c24xx_spi_fiq_txrx: .word fiq_txrx_end - fiq_txrx_start .word fiq_txrx_irq_ack - fiq_txrx_start fiq_txrx_start: @@ -77,7 +75,7 @@ fiq_txrx_start: strb fiq_rtmp, [ fiq_rspi, # S3C2410_SPTDAT ] subs fiq_rcount, fiq_rcount, #1 - subnes pc, lr, #4 @@ return, still have work to do + subsne pc, lr, #4 @@ return, still have work to do mov fiq_rtmp, #0 str fiq_rtmp, [ fiq_rirq, # S3C2410_INTMOD - S3C24XX_VA_IRQ ] @@ -89,7 +87,6 @@ fiq_txrx_irq_ack: fiq_txrx_end: ENTRY(s3c24xx_spi_fiq_tx) -s3c24xx_spi_fix_tx: .word fiq_tx_end - fiq_tx_start .word fiq_tx_irq_ack - fiq_tx_start fiq_tx_start: @@ -102,7 +99,7 @@ fiq_tx_start: strb fiq_rtmp, [ fiq_rspi, # S3C2410_SPTDAT ] subs fiq_rcount, fiq_rcount, #1 - subnes pc, lr, #4 @@ return, still have work to do + subsne pc, lr, #4 @@ return, still have work to do mov fiq_rtmp, #0 str fiq_rtmp, [ fiq_rirq, # S3C2410_INTMOD - S3C24XX_VA_IRQ ] diff --git a/drivers/spi/spi-sh.c b/drivers/spi/spi-sh.c index 502501187c9e..f062ebb46e0e 100644 --- a/drivers/spi/spi-sh.c +++ b/drivers/spi/spi-sh.c @@ -451,7 +451,7 @@ static int spi_sh_probe(struct platform_device *pdev) return -ENODEV; } - master = spi_alloc_master(&pdev->dev, sizeof(struct spi_sh_data)); + master = devm_spi_alloc_master(&pdev->dev, sizeof(struct spi_sh_data)); if (master == NULL) { dev_err(&pdev->dev, "spi_alloc_master error.\n"); return -ENOMEM; @@ -469,16 +469,14 @@ static int spi_sh_probe(struct platform_device *pdev) break; default: dev_err(&pdev->dev, "No support width\n"); - ret = -ENODEV; - goto error1; + return -ENODEV; } ss->irq = irq; ss->master = master; ss->addr = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (ss->addr == NULL) { dev_err(&pdev->dev, "ioremap error.\n"); - ret = -ENOMEM; - goto error1; + return -ENOMEM; } INIT_LIST_HEAD(&ss->queue); spin_lock_init(&ss->lock); @@ -488,8 +486,7 @@ static int spi_sh_probe(struct platform_device *pdev) dev_name(master->dev.parent)); if (ss->workqueue == NULL) { dev_err(&pdev->dev, "create workqueue error\n"); - ret = -EBUSY; - goto error1; + return -EBUSY; } ret = request_irq(irq, spi_sh_irq, 0, "spi_sh", ss); @@ -516,9 +513,6 @@ static int spi_sh_probe(struct platform_device *pdev) free_irq(irq, ss); error2: destroy_workqueue(ss->workqueue); - error1: - spi_master_put(master); - return ret; } diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c index e37712bed0b2..d1ca8f619b82 100644 --- a/drivers/spi/spi-tegra114.c +++ b/drivers/spi/spi-tegra114.c @@ -801,6 +801,7 @@ static int tegra_spi_setup(struct spi_device *spi) ret = pm_runtime_get_sync(tspi->dev); if (ret < 0) { + pm_runtime_put_noidle(tspi->dev); dev_err(tspi->dev, "pm runtime failed, e = %d\n", ret); return ret; } @@ -1214,6 +1215,7 @@ static int tegra_spi_resume(struct device *dev) ret = pm_runtime_get_sync(dev); if (ret < 0) { + pm_runtime_put_noidle(dev); dev_err(dev, "pm runtime failed, e = %d\n", ret); return ret; } diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c index b6558bb6f9df..4b9541e1726a 100644 --- a/drivers/spi/spi-tegra20-sflash.c +++ b/drivers/spi/spi-tegra20-sflash.c @@ -564,6 +564,7 @@ static int tegra_sflash_resume(struct device *dev) ret = pm_runtime_get_sync(dev); if (ret < 0) { + pm_runtime_put_noidle(dev); dev_err(dev, "pm runtime failed, e = %d\n", ret); return ret; } diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c index cf2a329fd895..9f14560686b6 100644 --- a/drivers/spi/spi-tegra20-slink.c +++ b/drivers/spi/spi-tegra20-slink.c @@ -761,6 +761,7 @@ static int tegra_slink_setup(struct spi_device *spi) ret = pm_runtime_get_sync(tspi->dev); if (ret < 0) { + pm_runtime_put_noidle(tspi->dev); dev_err(tspi->dev, "pm runtime failed, e = %d\n", ret); return ret; } @@ -1197,6 +1198,7 @@ static int tegra_slink_resume(struct device *dev) ret = pm_runtime_get_sync(dev); if (ret < 0) { + pm_runtime_put_noidle(dev); dev_err(dev, "pm runtime failed, e = %d\n", ret); return ret; } diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c index 5044c6198332..6e97f71a8cea 100644 --- a/drivers/spi/spi-ti-qspi.c +++ b/drivers/spi/spi-ti-qspi.c @@ -159,6 +159,7 @@ static int ti_qspi_setup(struct spi_device *spi) ret = pm_runtime_get_sync(qspi->dev); if (ret < 0) { + pm_runtime_put_noidle(qspi->dev); dev_err(qspi->dev, "pm_runtime_get_sync() failed\n"); return ret; } diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 57001f8f727a..f743b95d5171 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -418,6 +418,12 @@ static LIST_HEAD(spi_master_list); */ static DEFINE_MUTEX(board_lock); +/* + * Prevents addition of devices with same chip select and + * addition of devices below an unregistering controller. + */ +static DEFINE_MUTEX(spi_add_lock); + /** * spi_alloc_device - Allocate a new SPI device * @master: Controller to which device is connected @@ -496,7 +502,6 @@ static int spi_dev_check(struct device *dev, void *data) */ int spi_add_device(struct spi_device *spi) { - static DEFINE_MUTEX(spi_add_lock); struct spi_master *master = spi->master; struct device *dev = master->dev.parent; int status; @@ -525,6 +530,13 @@ int spi_add_device(struct spi_device *spi) goto done; } + /* Controller may unregister concurrently */ + if (IS_ENABLED(CONFIG_SPI_DYNAMIC) && + !device_is_registered(&master->dev)) { + status = -ENODEV; + goto done; + } + if (master->cs_gpios) spi->cs_gpio = master->cs_gpios[spi->chip_select]; @@ -1720,6 +1732,47 @@ struct spi_master *spi_alloc_master(struct device *dev, unsigned size) } EXPORT_SYMBOL_GPL(spi_alloc_master); +static void devm_spi_release_master(struct device *dev, void *master) +{ + spi_master_put(*(struct spi_master **)master); +} + +/** + * devm_spi_alloc_master - resource-managed spi_alloc_master() + * @dev: physical device of SPI master + * @size: how much zeroed driver-private data to allocate + * Context: can sleep + * + * Allocate an SPI master and automatically release a reference on it + * when @dev is unbound from its driver. Drivers are thus relieved from + * having to call spi_master_put(). + * + * The arguments to this function are identical to spi_alloc_master(). + * + * Return: the SPI master structure on success, else NULL. + */ +struct spi_master *devm_spi_alloc_master(struct device *dev, unsigned int size) +{ + struct spi_master **ptr, *master; + + ptr = devres_alloc(devm_spi_release_master, sizeof(*ptr), + GFP_KERNEL); + if (!ptr) + return NULL; + + master = spi_alloc_master(dev, size); + if (master) { + master->devm_allocated = true; + *ptr = master; + devres_add(dev, ptr); + } else { + devres_free(ptr); + } + + return master; +} +EXPORT_SYMBOL_GPL(devm_spi_alloc_master); + #ifdef CONFIG_OF static int of_spi_register_master(struct spi_master *master) { @@ -1917,18 +1970,31 @@ static int __unregister(struct device *dev, void *null) */ void spi_unregister_master(struct spi_master *master) { + /* Prevent addition of new devices, unregister existing ones */ + if (IS_ENABLED(CONFIG_SPI_DYNAMIC)) + mutex_lock(&spi_add_lock); + + device_for_each_child(&master->dev, NULL, __unregister); + if (master->queued) { if (spi_destroy_queue(master)) dev_err(&master->dev, "queue remove failed\n"); } - device_for_each_child(&master->dev, NULL, __unregister); - mutex_lock(&board_lock); list_del(&master->list); mutex_unlock(&board_lock); - device_unregister(&master->dev); + device_del(&master->dev); + + /* Release the last reference on the master if its driver + * has not yet been converted to devm_spi_alloc_master(). + */ + if (!master->devm_allocated) + put_device(&master->dev); + + if (IS_ENABLED(CONFIG_SPI_DYNAMIC)) + mutex_unlock(&spi_add_lock); } EXPORT_SYMBOL_GPL(spi_unregister_master); diff --git a/drivers/staging/comedi/drivers/addi_apci_1032.c b/drivers/staging/comedi/drivers/addi_apci_1032.c index 536a135cd00b..9058ef473c33 100644 --- a/drivers/staging/comedi/drivers/addi_apci_1032.c +++ b/drivers/staging/comedi/drivers/addi_apci_1032.c @@ -269,6 +269,7 @@ static irqreturn_t apci1032_interrupt(int irq, void *d) struct apci1032_private *devpriv = dev->private; struct comedi_subdevice *s = dev->read_subdev; unsigned int ctrl; + unsigned short val; /* check interrupt is from this device */ if ((inl(devpriv->amcc_iobase + AMCC_OP_REG_INTCSR) & @@ -284,7 +285,8 @@ static irqreturn_t apci1032_interrupt(int irq, void *d) outl(ctrl & ~APCI1032_CTRL_INT_ENA, dev->iobase + APCI1032_CTRL_REG); s->state = inl(dev->iobase + APCI1032_STATUS_REG) & 0xffff; - comedi_buf_write_samples(s, &s->state, 1); + val = s->state; + comedi_buf_write_samples(s, &val, 1); comedi_handle_events(dev, s); /* enable the interrupt */ diff --git a/drivers/staging/comedi/drivers/addi_apci_1500.c b/drivers/staging/comedi/drivers/addi_apci_1500.c index c4e36fb6df9d..1f25f565041c 100644 --- a/drivers/staging/comedi/drivers/addi_apci_1500.c +++ b/drivers/staging/comedi/drivers/addi_apci_1500.c @@ -217,7 +217,7 @@ static irqreturn_t apci1500_interrupt(int irq, void *d) struct comedi_device *dev = d; struct apci1500_private *devpriv = dev->private; struct comedi_subdevice *s = dev->read_subdev; - unsigned int status = 0; + unsigned short status = 0; unsigned int val; val = inl(devpriv->amcc + AMCC_OP_REG_INTCSR); @@ -247,14 +247,14 @@ static irqreturn_t apci1500_interrupt(int irq, void *d) * * Mask Meaning * ---------- ------------------------------------------ - * 0x00000001 Event 1 has occurred - * 0x00000010 Event 2 has occurred - * 0x00000100 Counter/timer 1 has run down (not implemented) - * 0x00001000 Counter/timer 2 has run down (not implemented) - * 0x00010000 Counter 3 has run down (not implemented) - * 0x00100000 Watchdog has run down (not implemented) - * 0x01000000 Voltage error - * 0x10000000 Short-circuit error + * 0b00000001 Event 1 has occurred + * 0b00000010 Event 2 has occurred + * 0b00000100 Counter/timer 1 has run down (not implemented) + * 0b00001000 Counter/timer 2 has run down (not implemented) + * 0b00010000 Counter 3 has run down (not implemented) + * 0b00100000 Watchdog has run down (not implemented) + * 0b01000000 Voltage error + * 0b10000000 Short-circuit error */ comedi_buf_write_samples(s, &status, 1); comedi_handle_events(dev, s); diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c index 399c511cfe0a..8599258f8c8d 100644 --- a/drivers/staging/comedi/drivers/adv_pci1710.c +++ b/drivers/staging/comedi/drivers/adv_pci1710.c @@ -351,11 +351,11 @@ static int pci171x_ai_eoc(struct comedi_device *dev, static int pci171x_ai_read_sample(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int cur_chan, - unsigned int *val) + unsigned short *val) { const struct boardtype *board = dev->board_ptr; struct pci1710_private *devpriv = dev->private; - unsigned int sample; + unsigned short sample; unsigned int chan; sample = inw(dev->iobase + PCI171X_AD_DATA_REG); @@ -395,7 +395,7 @@ static int pci171x_ai_insn_read(struct comedi_device *dev, pci171x_ai_setup_chanlist(dev, s, &insn->chanspec, 1, 1); for (i = 0; i < insn->n; i++) { - unsigned int val; + unsigned short val; /* start conversion */ outw(0, dev->iobase + PCI171X_SOFTTRG_REG); @@ -516,7 +516,7 @@ static void pci1710_handle_every_sample(struct comedi_device *dev, { struct comedi_cmd *cmd = &s->async->cmd; unsigned int status; - unsigned int val; + unsigned short val; int ret; status = inw(dev->iobase + PCI171X_STATUS_REG); @@ -576,7 +576,7 @@ static void pci1710_handle_fifo(struct comedi_device *dev, } for (i = 0; i < devpriv->max_samples; i++) { - unsigned int val; + unsigned short val; int ret; ret = pci171x_ai_read_sample(dev, s, s->async->cur_chan, &val); diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c index 3cd008acb657..15b9cc8531f0 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas.c +++ b/drivers/staging/comedi/drivers/cb_pcidas.c @@ -1290,7 +1290,7 @@ static int cb_pcidas_auto_attach(struct comedi_device *dev, devpriv->amcc + AMCC_OP_REG_INTCSR); ret = request_irq(pcidev->irq, cb_pcidas_interrupt, IRQF_SHARED, - dev->board_name, dev); + "cb_pcidas", dev); if (ret) { dev_dbg(dev->class_dev, "unable to allocate irq %d\n", pcidev->irq); @@ -1351,6 +1351,7 @@ static int cb_pcidas_auto_attach(struct comedi_device *dev, if (dev->irq && board->has_ao_fifo) { dev->write_subdev = s; s->subdev_flags |= SDF_CMD_WRITE; + s->len_chanlist = s->n_chan; s->do_cmdtest = cb_pcidas_ao_cmdtest; s->do_cmd = cb_pcidas_ao_cmd; s->cancel = cb_pcidas_ao_cancel; diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c index d33b8fe872a7..93d8c0b06d55 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas64.c +++ b/drivers/staging/comedi/drivers/cb_pcidas64.c @@ -4040,7 +4040,7 @@ static int auto_attach(struct comedi_device *dev, init_stc_registers(dev); retval = request_irq(pcidev->irq, handle_interrupt, IRQF_SHARED, - dev->board_name, dev); + "cb_pcidas64", dev); if (retval) { dev_dbg(dev->class_dev, "unable to allocate irq %u\n", pcidev->irq); diff --git a/drivers/staging/comedi/drivers/das6402.c b/drivers/staging/comedi/drivers/das6402.c index 1701294b79cd..666d199983ba 100644 --- a/drivers/staging/comedi/drivers/das6402.c +++ b/drivers/staging/comedi/drivers/das6402.c @@ -193,7 +193,7 @@ static irqreturn_t das6402_interrupt(int irq, void *d) if (status & DAS6402_STATUS_FFULL) { async->events |= COMEDI_CB_OVERFLOW; } else if (status & DAS6402_STATUS_FFNE) { - unsigned int val; + unsigned short val; val = das6402_ai_read_sample(dev, s); comedi_buf_write_samples(s, &val, 1); diff --git a/drivers/staging/comedi/drivers/das800.c b/drivers/staging/comedi/drivers/das800.c index b02f12201cf7..91a0c4ec7fdb 100644 --- a/drivers/staging/comedi/drivers/das800.c +++ b/drivers/staging/comedi/drivers/das800.c @@ -436,7 +436,7 @@ static irqreturn_t das800_interrupt(int irq, void *d) struct comedi_cmd *cmd; unsigned long irq_flags; unsigned int status; - unsigned int val; + unsigned short val; bool fifo_empty; bool fifo_overflow; int i; diff --git a/drivers/staging/comedi/drivers/dmm32at.c b/drivers/staging/comedi/drivers/dmm32at.c index 958c0d4aae5c..48645ecde810 100644 --- a/drivers/staging/comedi/drivers/dmm32at.c +++ b/drivers/staging/comedi/drivers/dmm32at.c @@ -411,7 +411,7 @@ static irqreturn_t dmm32at_isr(int irq, void *d) { struct comedi_device *dev = d; unsigned char intstat; - unsigned int val; + unsigned short val; int i; if (!dev->attached) { diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c index 15a53204a36a..4fe856128870 100644 --- a/drivers/staging/comedi/drivers/me4000.c +++ b/drivers/staging/comedi/drivers/me4000.c @@ -933,7 +933,7 @@ static irqreturn_t me4000_ai_isr(int irq, void *dev_id) struct comedi_subdevice *s = dev->read_subdev; int i; int c = 0; - unsigned int lval; + unsigned short lval; if (!dev->attached) return IRQ_NONE; diff --git a/drivers/staging/comedi/drivers/mf6x4.c b/drivers/staging/comedi/drivers/mf6x4.c index fbdf181d8ccc..40aa24a9b2c3 100644 --- a/drivers/staging/comedi/drivers/mf6x4.c +++ b/drivers/staging/comedi/drivers/mf6x4.c @@ -121,8 +121,9 @@ static int mf6x4_ai_eoc(struct comedi_device *dev, struct mf6x4_private *devpriv = dev->private; unsigned int status; + /* EOLC goes low at end of conversion. */ status = ioread32(devpriv->gpioc_reg); - if (status & MF6X4_GPIOC_EOLC) + if ((status & MF6X4_GPIOC_EOLC) == 0) return 0; return -EBUSY; } diff --git a/drivers/staging/comedi/drivers/pcl711.c b/drivers/staging/comedi/drivers/pcl711.c index 3774daa9d661..e1334733abe7 100644 --- a/drivers/staging/comedi/drivers/pcl711.c +++ b/drivers/staging/comedi/drivers/pcl711.c @@ -193,7 +193,7 @@ static irqreturn_t pcl711_interrupt(int irq, void *d) struct comedi_device *dev = d; struct comedi_subdevice *s = dev->read_subdev; struct comedi_cmd *cmd = &s->async->cmd; - unsigned int data; + unsigned short data; if (!dev->attached) { dev_err(dev->class_dev, "spurious interrupt\n"); diff --git a/drivers/staging/comedi/drivers/pcl818.c b/drivers/staging/comedi/drivers/pcl818.c index 5aeed44dff70..f06241712308 100644 --- a/drivers/staging/comedi/drivers/pcl818.c +++ b/drivers/staging/comedi/drivers/pcl818.c @@ -422,7 +422,7 @@ static int pcl818_ai_eoc(struct comedi_device *dev, static bool pcl818_ai_write_sample(struct comedi_device *dev, struct comedi_subdevice *s, - unsigned int chan, unsigned int val) + unsigned int chan, unsigned short val) { struct pcl818_private *devpriv = dev->private; struct comedi_cmd *cmd = &s->async->cmd; diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c index 95e53cfd76a4..51f9a7800edf 100644 --- a/drivers/staging/comedi/drivers/vmk80xx.c +++ b/drivers/staging/comedi/drivers/vmk80xx.c @@ -676,6 +676,9 @@ static int vmk80xx_find_usb_endpoints(struct comedi_device *dev) if (!devpriv->ep_rx || !devpriv->ep_tx) return -ENODEV; + if (!usb_endpoint_maxp(devpriv->ep_rx) || !usb_endpoint_maxp(devpriv->ep_tx)) + return -EINVAL; + return 0; } diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c index 91ff8fb0cc3a..102eee7d2e4f 100644 --- a/drivers/staging/emxx_udc/emxx_udc.c +++ b/drivers/staging/emxx_udc/emxx_udc.c @@ -2193,7 +2193,7 @@ static int _nbu2ss_nuke(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep, int status) { - struct nbu2ss_req *req; + struct nbu2ss_req *req, *n; /* Endpoint Disable */ _nbu2ss_epn_exit(udc, ep); @@ -2205,7 +2205,7 @@ static int _nbu2ss_nuke(struct nbu2ss_udc *udc, return 0; /* called with irqs blocked */ - list_for_each_entry(req, &ep->queue, queue) { + list_for_each_entry_safe(req, n, &ep->queue, queue) { _nbu2ss_ep_done(ep, req, status); } diff --git a/drivers/staging/fwserial/fwserial.c b/drivers/staging/fwserial/fwserial.c index b3ea4bb54e2c..68ed97398faf 100644 --- a/drivers/staging/fwserial/fwserial.c +++ b/drivers/staging/fwserial/fwserial.c @@ -2255,6 +2255,7 @@ static int fwserial_create(struct fw_unit *unit) err = fw_core_add_address_handler(&port->rx_handler, &fw_high_memory_region); if (err) { + tty_port_destroy(&port->port); kfree(port); goto free_ports; } @@ -2337,6 +2338,7 @@ unregister_ttys: free_ports: for (--i; i >= 0; --i) { + fw_core_remove_address_handler(&serial->ports[i]->rx_handler); tty_port_destroy(&serial->ports[i]->port); kfree(serial->ports[i]); } diff --git a/drivers/staging/iio/cdc/ad7746.c b/drivers/staging/iio/cdc/ad7746.c index 2c5d27784ed3..6604c0508290 100644 --- a/drivers/staging/iio/cdc/ad7746.c +++ b/drivers/staging/iio/cdc/ad7746.c @@ -714,7 +714,6 @@ static int ad7746_probe(struct i2c_client *client, indio_dev->num_channels = ARRAY_SIZE(ad7746_channels); else indio_dev->num_channels = ARRAY_SIZE(ad7746_channels) - 2; - indio_dev->num_channels = ARRAY_SIZE(ad7746_channels); indio_dev->modes = INDIO_DIRECT_MODE; if (pdata) { diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c index 3100d960fe2c..da2a2ff4cdb9 100644 --- a/drivers/staging/iio/light/tsl2583.c +++ b/drivers/staging/iio/light/tsl2583.c @@ -378,6 +378,15 @@ static int taos_als_calibrate(struct iio_dev *indio_dev) dev_err(&chip->client->dev, "taos_als_calibrate failed to get lux\n"); return lux_val; } + + /* Avoid division by zero of lux_value later on */ + if (lux_val == 0) { + dev_err(&chip->client->dev, + "%s: lux_val of 0 will produce out of range trim_value\n", + __func__); + return -ENODATA; + } + gain_trim_val = (unsigned int) (((chip->taos_settings.als_cal_target) * chip->taos_settings.als_gain_trim) / lux_val); diff --git a/drivers/staging/media/omap4iss/iss.c b/drivers/staging/media/omap4iss/iss.c index aa76ccda5b42..130d09d28e1d 100644 --- a/drivers/staging/media/omap4iss/iss.c +++ b/drivers/staging/media/omap4iss/iss.c @@ -1406,8 +1406,10 @@ static int iss_probe(struct platform_device *pdev) if (ret < 0) goto error; - if (!omap4iss_get(iss)) + if (!omap4iss_get(iss)) { + ret = -EINVAL; goto error; + } ret = iss_reset(iss); if (ret < 0) diff --git a/drivers/staging/most/aim-sound/sound.c b/drivers/staging/most/aim-sound/sound.c index 9c645801cff4..532ec0f7100e 100644 --- a/drivers/staging/most/aim-sound/sound.c +++ b/drivers/staging/most/aim-sound/sound.c @@ -92,6 +92,8 @@ static void swap_copy24(u8 *dest, const u8 *source, unsigned int bytes) { unsigned int i = 0; + if (bytes < 2) + return; while (i < bytes - 2) { dest[i] = source[i + 2]; dest[i + 1] = source[i + 1]; diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c index f5cedbbc552a..d14a2313fcce 100644 --- a/drivers/staging/rtl8188eu/core/rtw_ap.c +++ b/drivers/staging/rtl8188eu/core/rtw_ap.c @@ -921,6 +921,7 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len) /* SSID */ p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_)); if (p && ie_len > 0) { + ie_len = min_t(int, ie_len, sizeof(pbss_network->Ssid.Ssid)); memset(&pbss_network->Ssid, 0, sizeof(struct ndis_802_11_ssid)); memcpy(pbss_network->Ssid.Ssid, (p + 2), ie_len); pbss_network->Ssid.SsidLength = ie_len; @@ -939,6 +940,7 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len) /* get supported rates */ p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_)); if (p != NULL) { + ie_len = min_t(int, ie_len, NDIS_802_11_LENGTH_RATES_EX); memcpy(supportRate, p+2, ie_len); supportRateNum = ie_len; } @@ -946,6 +948,8 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len) /* get ext_supported rates */ p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->IELength - _BEACON_IE_OFFSET_); if (p != NULL) { + ie_len = min_t(int, ie_len, + NDIS_802_11_LENGTH_RATES_EX - supportRateNum); memcpy(supportRate+supportRateNum, p+2, ie_len); supportRateNum += ie_len; } @@ -1061,6 +1065,7 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len) pht_cap->supp_mcs_set[0] = 0xff; pht_cap->supp_mcs_set[1] = 0x0; } + ie_len = min_t(int, ie_len, sizeof(pmlmepriv->htpriv.ht_cap)); memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len); } diff --git a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c index 2a6192e08b75..c29dc9182470 100644 --- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c +++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c @@ -1174,9 +1174,11 @@ static int rtw_wx_set_scan(struct net_device *dev, struct iw_request_info *a, break; } sec_len = *(pos++); len -= 1; - if (sec_len > 0 && sec_len <= len) { + if (sec_len > 0 && + sec_len <= len && + sec_len <= 32) { ssid[ssid_index].SsidLength = sec_len; - memcpy(ssid[ssid_index].Ssid, pos, ssid[ssid_index].SsidLength); + memcpy(ssid[ssid_index].Ssid, pos, sec_len); ssid_index++; } pos += sec_len; diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c index 9e678664d573..27a7d448ff61 100644 --- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c +++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c @@ -53,6 +53,7 @@ static struct usb_device_id rtw_usb_id_tbl[] = { {USB_DEVICE(0x2357, 0x0111)}, /* TP-Link TL-WN727N v5.21 */ {USB_DEVICE(0x2C4E, 0x0102)}, /* MERCUSYS MW150US v2 */ {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */ + {USB_DEVICE(0x7392, 0xb811)}, /* Edimax EW-7811UN V2 */ {USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */ {} /* Terminating entry */ }; diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c index 70df6a1485d6..6f0be1db6fb1 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c @@ -419,9 +419,10 @@ static int _rtl92e_wx_set_scan(struct net_device *dev, struct iw_scan_req *req = (struct iw_scan_req *)b; if (req->essid_len) { - ieee->current_network.ssid_len = req->essid_len; - memcpy(ieee->current_network.ssid, req->essid, - req->essid_len); + int len = min_t(int, req->essid_len, IW_ESSID_MAX_SIZE); + + ieee->current_network.ssid_len = len; + memcpy(ieee->current_network.ssid, req->essid, len); } } diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h index 563ac12f0b2c..b9e978e895c6 100644 --- a/drivers/staging/rtl8192e/rtllib.h +++ b/drivers/staging/rtl8192e/rtllib.h @@ -1160,7 +1160,7 @@ struct rtllib_network { bool bWithAironetIE; bool bCkipSupported; bool bCcxRmEnable; - u16 CcxRmState[2]; + u8 CcxRmState[2]; bool bMBssidValid; u8 MBssidMask; u8 MBssid[ETH_ALEN]; diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c index 37343ec3b484..6921e036a828 100644 --- a/drivers/staging/rtl8192e/rtllib_rx.c +++ b/drivers/staging/rtl8192e/rtllib_rx.c @@ -1988,7 +1988,7 @@ static void rtllib_parse_mife_generic(struct rtllib_device *ieee, info_element->data[2] == 0x96 && info_element->data[3] == 0x01) { if (info_element->len == 6) { - memcpy(network->CcxRmState, &info_element[4], 2); + memcpy(network->CcxRmState, &info_element->data[4], 2); if (network->CcxRmState[0] != 0) network->bCcxRmEnable = true; else diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c index 1e0d2a33787e..72dabbf19bc7 100644 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -3418,7 +3418,7 @@ static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum, u32 *TotalRxDataNum) { u16 SlotIndex; - u8 i; + u16 i; *TotalRxBcnNum = 0; *TotalRxDataNum = 0; diff --git a/drivers/staging/rtl8192u/r8192U_wx.c b/drivers/staging/rtl8192u/r8192U_wx.c index 4911fef2e2e5..8fb194075149 100644 --- a/drivers/staging/rtl8192u/r8192U_wx.c +++ b/drivers/staging/rtl8192u/r8192U_wx.c @@ -341,8 +341,10 @@ static int r8192_wx_set_scan(struct net_device *dev, struct iw_request_info *a, struct iw_scan_req *req = (struct iw_scan_req *)b; if (req->essid_len) { - ieee->current_network.ssid_len = req->essid_len; - memcpy(ieee->current_network.ssid, req->essid, req->essid_len); + int len = min_t(int, req->essid_len, IW_ESSID_MAX_SIZE); + + ieee->current_network.ssid_len = len; + memcpy(ieee->current_network.ssid, req->essid, len); } } diff --git a/drivers/staging/rtl8712/rtl871x_cmd.c b/drivers/staging/rtl8712/rtl871x_cmd.c index 562a10203127..b4eb6af4e565 100644 --- a/drivers/staging/rtl8712/rtl871x_cmd.c +++ b/drivers/staging/rtl8712/rtl871x_cmd.c @@ -242,8 +242,10 @@ u8 r8712_sitesurvey_cmd(struct _adapter *padapter, psurveyPara->ss_ssidlen = 0; memset(psurveyPara->ss_ssid, 0, IW_ESSID_MAX_SIZE + 1); if ((pssid != NULL) && (pssid->SsidLength)) { - memcpy(psurveyPara->ss_ssid, pssid->Ssid, pssid->SsidLength); - psurveyPara->ss_ssidlen = cpu_to_le32(pssid->SsidLength); + int len = min_t(int, pssid->SsidLength, IW_ESSID_MAX_SIZE); + + memcpy(psurveyPara->ss_ssid, pssid->Ssid, len); + psurveyPara->ss_ssidlen = cpu_to_le32(len); } set_fwstate(pmlmepriv, _FW_UNDER_SURVEY); r8712_enqueue_cmd(pcmdpriv, ph2c); diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c index 2b348439242f..20052fa2eedf 100644 --- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c +++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c @@ -935,7 +935,7 @@ static int r871x_wx_set_priv(struct net_device *dev, struct iw_point *dwrq = (struct iw_point *)awrq; len = dwrq->length; - ext = memdup_user(dwrq->pointer, len); + ext = strndup_user(dwrq->pointer, len); if (IS_ERR(ext)) return PTR_ERR(ext); diff --git a/drivers/staging/speakup/speakup_dectlk.c b/drivers/staging/speakup/speakup_dectlk.c index 09063b82326f..71aa623facd6 100644 --- a/drivers/staging/speakup/speakup_dectlk.c +++ b/drivers/staging/speakup/speakup_dectlk.c @@ -51,7 +51,7 @@ static unsigned char get_index(void); static int in_escape; static int is_flushing; -static spinlock_t flush_lock; +static DEFINE_SPINLOCK(flush_lock); static DECLARE_WAIT_QUEUE_HEAD(flush); static struct var_t vars[] = { diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index cbb4414edd71..c48aca1360c8 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -493,8 +493,7 @@ static void iscsit_aborted_task(struct iscsi_conn *conn, struct iscsi_cmd *cmd) bool scsi_cmd = (cmd->iscsi_opcode == ISCSI_OP_SCSI_CMD); spin_lock_bh(&conn->cmd_lock); - if (!list_empty(&cmd->i_conn_node) && - !(cmd->se_cmd.transport_state & CMD_T_FABRIC_STOP)) + if (!list_empty(&cmd->i_conn_node)) list_del_init(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); @@ -4228,12 +4227,22 @@ static void iscsit_release_commands_from_conn(struct iscsi_conn *conn) spin_lock_bh(&conn->cmd_lock); list_splice_init(&conn->conn_cmd_list, &tmp_list); - list_for_each_entry(cmd, &tmp_list, i_conn_node) { + list_for_each_entry_safe(cmd, cmd_tmp, &tmp_list, i_conn_node) { struct se_cmd *se_cmd = &cmd->se_cmd; if (se_cmd->se_tfo != NULL) { spin_lock_irq(&se_cmd->t_state_lock); - se_cmd->transport_state |= CMD_T_FABRIC_STOP; + if (se_cmd->transport_state & CMD_T_ABORTED) { + /* + * LIO's abort path owns the cleanup for this, + * so put it back on the list and let + * aborted_task handle it. + */ + list_move_tail(&cmd->i_conn_node, + &conn->conn_cmd_list); + } else { + se_cmd->transport_state |= CMD_T_FABRIC_STOP; + } spin_unlock_irq(&se_cmd->t_state_lock); } } diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index d72a4058fd08..0ce3697ecbd7 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -629,8 +629,9 @@ static void pscsi_transport_complete(struct se_cmd *cmd, struct scatterlist *sg, unsigned char *buf; buf = transport_kmap_data_sg(cmd); - if (!buf) + if (!buf) { ; /* XXX: TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE */ + } if (cdb[0] == MODE_SENSE_10) { if (!(buf[3] & 0x80)) diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 7199bac67333..6c6aa23ced45 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1730,6 +1730,10 @@ void transport_generic_request_failure(struct se_cmd *cmd, case TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED: case TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED: case TCM_COPY_TARGET_DEVICE_NOT_REACHABLE: + case TCM_TOO_MANY_TARGET_DESCS: + case TCM_UNSUPPORTED_TARGET_DESC_TYPE_CODE: + case TCM_TOO_MANY_SEGMENT_DESCS: + case TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE: break; case TCM_OUT_OF_RESOURCES: sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; @@ -2753,9 +2757,7 @@ __transport_wait_for_tasks(struct se_cmd *cmd, bool fabric_stop, __releases(&cmd->t_state_lock) __acquires(&cmd->t_state_lock) { - - assert_spin_locked(&cmd->t_state_lock); - WARN_ON_ONCE(!irqs_disabled()); + lockdep_assert_held(&cmd->t_state_lock); if (fabric_stop) cmd->transport_state |= CMD_T_FABRIC_STOP; @@ -2864,6 +2866,26 @@ static const struct sense_info sense_info_table[] = { .key = ILLEGAL_REQUEST, .asc = 0x26, /* INVALID FIELD IN PARAMETER LIST */ }, + [TCM_TOO_MANY_TARGET_DESCS] = { + .key = ILLEGAL_REQUEST, + .asc = 0x26, + .ascq = 0x06, /* TOO MANY TARGET DESCRIPTORS */ + }, + [TCM_UNSUPPORTED_TARGET_DESC_TYPE_CODE] = { + .key = ILLEGAL_REQUEST, + .asc = 0x26, + .ascq = 0x07, /* UNSUPPORTED TARGET DESCRIPTOR TYPE CODE */ + }, + [TCM_TOO_MANY_SEGMENT_DESCS] = { + .key = ILLEGAL_REQUEST, + .asc = 0x26, + .ascq = 0x08, /* TOO MANY SEGMENT DESCRIPTORS */ + }, + [TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE] = { + .key = ILLEGAL_REQUEST, + .asc = 0x26, + .ascq = 0x09, /* UNSUPPORTED SEGMENT DESCRIPTOR TYPE CODE */ + }, [TCM_PARAMETER_LIST_LENGTH_ERROR] = { .key = ILLEGAL_REQUEST, .asc = 0x1a, /* PARAMETER LIST LENGTH ERROR */ diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c index 6415e9b09a52..958737512229 100644 --- a/drivers/target/target_core_xcopy.c +++ b/drivers/target/target_core_xcopy.c @@ -52,64 +52,87 @@ static int target_xcopy_gen_naa_ieee(struct se_device *dev, unsigned char *buf) return 0; } -static int target_xcopy_locate_se_dev_e4(struct se_cmd *se_cmd, struct xcopy_op *xop, - bool src) +/** + * target_xcopy_locate_se_dev_e4_iter - compare XCOPY NAA device identifiers + * + * @se_dev: device being considered for match + * @dev_wwn: XCOPY requested NAA dev_wwn + * @return: 1 on match, 0 on no-match + */ +static int target_xcopy_locate_se_dev_e4_iter(struct se_device *se_dev, + const unsigned char *dev_wwn) { - struct se_device *se_dev; - unsigned char tmp_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN], *dev_wwn; + unsigned char tmp_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; int rc; - if (src) - dev_wwn = &xop->dst_tid_wwn[0]; - else - dev_wwn = &xop->src_tid_wwn[0]; - - mutex_lock(&g_device_mutex); - list_for_each_entry(se_dev, &g_device_list, g_dev_node) { - - if (!se_dev->dev_attrib.emulate_3pc) - continue; + if (!se_dev->dev_attrib.emulate_3pc) { + pr_debug("XCOPY: emulate_3pc disabled on se_dev %p\n", se_dev); + return 0; + } - memset(&tmp_dev_wwn[0], 0, XCOPY_NAA_IEEE_REGEX_LEN); - target_xcopy_gen_naa_ieee(se_dev, &tmp_dev_wwn[0]); + memset(&tmp_dev_wwn[0], 0, XCOPY_NAA_IEEE_REGEX_LEN); + target_xcopy_gen_naa_ieee(se_dev, &tmp_dev_wwn[0]); - rc = memcmp(&tmp_dev_wwn[0], dev_wwn, XCOPY_NAA_IEEE_REGEX_LEN); - if (rc != 0) - continue; + rc = memcmp(&tmp_dev_wwn[0], dev_wwn, XCOPY_NAA_IEEE_REGEX_LEN); + if (rc != 0) { + pr_debug("XCOPY: skip non-matching: %*ph\n", + XCOPY_NAA_IEEE_REGEX_LEN, tmp_dev_wwn); + return 0; + } + pr_debug("XCOPY 0xe4: located se_dev: %p\n", se_dev); - if (src) { - xop->dst_dev = se_dev; - pr_debug("XCOPY 0xe4: Setting xop->dst_dev: %p from located" - " se_dev\n", xop->dst_dev); - } else { - xop->src_dev = se_dev; - pr_debug("XCOPY 0xe4: Setting xop->src_dev: %p from located" - " se_dev\n", xop->src_dev); - } + return 1; +} - rc = target_depend_item(&se_dev->dev_group.cg_item); - if (rc != 0) { - pr_err("configfs_depend_item attempt failed:" - " %d for se_dev: %p\n", rc, se_dev); - mutex_unlock(&g_device_mutex); - return rc; +static int target_xcopy_locate_se_dev_e4(struct se_session *sess, + const unsigned char *dev_wwn, + struct se_device **_found_dev, + struct percpu_ref **_found_lun_ref) +{ + struct se_dev_entry *deve; + struct se_node_acl *nacl; + struct se_lun *this_lun = NULL; + struct se_device *found_dev = NULL; + + /* cmd with NULL sess indicates no associated $FABRIC_MOD */ + if (!sess) + goto err_out; + + pr_debug("XCOPY 0xe4: searching for: %*ph\n", + XCOPY_NAA_IEEE_REGEX_LEN, dev_wwn); + + nacl = sess->se_node_acl; + rcu_read_lock(); + hlist_for_each_entry_rcu(deve, &nacl->lun_entry_hlist, link) { + struct se_device *this_dev; + int rc; + + this_lun = rcu_dereference(deve->se_lun); + this_dev = rcu_dereference_raw(this_lun->lun_se_dev); + + rc = target_xcopy_locate_se_dev_e4_iter(this_dev, dev_wwn); + if (rc) { + if (percpu_ref_tryget_live(&this_lun->lun_ref)) + found_dev = this_dev; + break; } - - pr_debug("Called configfs_depend_item for se_dev: %p" - " se_dev->se_dev_group: %p\n", se_dev, - &se_dev->dev_group); - - mutex_unlock(&g_device_mutex); - return 0; } - mutex_unlock(&g_device_mutex); - + rcu_read_unlock(); + if (found_dev == NULL) + goto err_out; + + pr_debug("lun_ref held for se_dev: %p se_dev->se_dev_group: %p\n", + found_dev, &found_dev->dev_group); + *_found_dev = found_dev; + *_found_lun_ref = &this_lun->lun_ref; + return 0; +err_out: pr_debug_ratelimited("Unable to locate 0xe4 descriptor for EXTENDED_COPY\n"); return -EINVAL; } static int target_xcopy_parse_tiddesc_e4(struct se_cmd *se_cmd, struct xcopy_op *xop, - unsigned char *p, bool src) + unsigned char *p, unsigned short cscd_index) { unsigned char *desc = p; unsigned short ript; @@ -154,7 +177,13 @@ static int target_xcopy_parse_tiddesc_e4(struct se_cmd *se_cmd, struct xcopy_op return -EINVAL; } - if (src) { + if (cscd_index != xop->stdi && cscd_index != xop->dtdi) { + pr_debug("XCOPY 0xe4: ignoring CSCD entry %d - neither src nor " + "dest\n", cscd_index); + return 0; + } + + if (cscd_index == xop->stdi) { memcpy(&xop->src_tid_wwn[0], &desc[8], XCOPY_NAA_IEEE_REGEX_LEN); /* * Determine if the source designator matches the local device @@ -166,10 +195,15 @@ static int target_xcopy_parse_tiddesc_e4(struct se_cmd *se_cmd, struct xcopy_op pr_debug("XCOPY 0xe4: Set xop->src_dev %p from source" " received xop\n", xop->src_dev); } - } else { + } + + if (cscd_index == xop->dtdi) { memcpy(&xop->dst_tid_wwn[0], &desc[8], XCOPY_NAA_IEEE_REGEX_LEN); /* - * Determine if the destination designator matches the local device + * Determine if the destination designator matches the local + * device. If @cscd_index corresponds to both source (stdi) and + * destination (dtdi), or dtdi comes after stdi, then + * XCOL_DEST_RECV_OP wins. */ if (!memcmp(&xop->local_dev_wwn[0], &xop->dst_tid_wwn[0], XCOPY_NAA_IEEE_REGEX_LEN)) { @@ -189,9 +223,9 @@ static int target_xcopy_parse_target_descriptors(struct se_cmd *se_cmd, { struct se_device *local_dev = se_cmd->se_dev; unsigned char *desc = p; - int offset = tdll % XCOPY_TARGET_DESC_LEN, rc, ret = 0; + int offset = tdll % XCOPY_TARGET_DESC_LEN, rc; + unsigned short cscd_index = 0; unsigned short start = 0; - bool src = true; *sense_ret = TCM_INVALID_PARAMETER_LIST; @@ -214,25 +248,19 @@ static int target_xcopy_parse_target_descriptors(struct se_cmd *se_cmd, while (start < tdll) { /* - * Check target descriptor identification with 0xE4 type with - * use VPD 0x83 WWPN matching .. + * Check target descriptor identification with 0xE4 type, and + * compare the current index with the CSCD descriptor IDs in + * the segment descriptor. Use VPD 0x83 WWPN matching .. */ switch (desc[0]) { case 0xe4: rc = target_xcopy_parse_tiddesc_e4(se_cmd, xop, - &desc[0], src); + &desc[0], cscd_index); if (rc != 0) goto out; - /* - * Assume target descriptors are in source -> destination order.. - */ - if (src) - src = false; - else - src = true; start += XCOPY_TARGET_DESC_LEN; desc += XCOPY_TARGET_DESC_LEN; - ret++; + cscd_index++; break; default: pr_err("XCOPY unsupported descriptor type code:" @@ -241,10 +269,25 @@ static int target_xcopy_parse_target_descriptors(struct se_cmd *se_cmd, } } - if (xop->op_origin == XCOL_SOURCE_RECV_OP) - rc = target_xcopy_locate_se_dev_e4(se_cmd, xop, true); - else - rc = target_xcopy_locate_se_dev_e4(se_cmd, xop, false); + switch (xop->op_origin) { + case XCOL_SOURCE_RECV_OP: + rc = target_xcopy_locate_se_dev_e4(se_cmd->se_sess, + xop->dst_tid_wwn, + &xop->dst_dev, + &xop->remote_lun_ref); + break; + case XCOL_DEST_RECV_OP: + rc = target_xcopy_locate_se_dev_e4(se_cmd->se_sess, + xop->src_tid_wwn, + &xop->src_dev, + &xop->remote_lun_ref); + break; + default: + pr_err("XCOPY CSCD descriptor IDs not found in CSCD list - " + "stdi: %hu dtdi: %hu\n", xop->stdi, xop->dtdi); + rc = -EINVAL; + break; + } /* * If a matching IEEE NAA 0x83 descriptor for the requested device * is not located on this node, return COPY_ABORTED with ASQ/ASQC @@ -261,7 +304,7 @@ static int target_xcopy_parse_target_descriptors(struct se_cmd *se_cmd, pr_debug("XCOPY TGT desc: Dest dev: %p NAA IEEE WWN: 0x%16phN\n", xop->dst_dev, &xop->dst_tid_wwn[0]); - return ret; + return cscd_index; out: return -EINVAL; @@ -305,17 +348,26 @@ static int target_xcopy_parse_segdesc_02(struct se_cmd *se_cmd, struct xcopy_op static int target_xcopy_parse_segment_descriptors(struct se_cmd *se_cmd, struct xcopy_op *xop, unsigned char *p, - unsigned int sdll) + unsigned int sdll, sense_reason_t *sense_ret) { unsigned char *desc = p; unsigned int start = 0; int offset = sdll % XCOPY_SEGMENT_DESC_LEN, rc, ret = 0; + *sense_ret = TCM_INVALID_PARAMETER_LIST; + if (offset != 0) { pr_err("XCOPY segment descriptor list length is not" " multiple of %d\n", XCOPY_SEGMENT_DESC_LEN); return -EINVAL; } + if (sdll > RCR_OP_MAX_SG_DESC_COUNT * XCOPY_SEGMENT_DESC_LEN) { + pr_err("XCOPY supports %u segment descriptor(s), sdll: %u too" + " large..\n", RCR_OP_MAX_SG_DESC_COUNT, sdll); + /* spc4r37 6.4.3.5 SEGMENT DESCRIPTOR LIST LENGTH field */ + *sense_ret = TCM_TOO_MANY_SEGMENT_DESCS; + return -EINVAL; + } while (start < sdll) { /* @@ -372,18 +424,12 @@ static int xcopy_pt_get_cmd_state(struct se_cmd *se_cmd) static void xcopy_pt_undepend_remotedev(struct xcopy_op *xop) { - struct se_device *remote_dev; - if (xop->op_origin == XCOL_SOURCE_RECV_OP) - remote_dev = xop->dst_dev; + pr_debug("putting dst lun_ref for %p\n", xop->dst_dev); else - remote_dev = xop->src_dev; + pr_debug("putting src lun_ref for %p\n", xop->src_dev); - pr_debug("Calling configfs_undepend_item for" - " remote_dev: %p remote_dev->dev_group: %p\n", - remote_dev, &remote_dev->dev_group.cg_item); - - target_undepend_item(&remote_dev->dev_group.cg_item); + percpu_ref_put(xop->remote_lun_ref); } static void xcopy_pt_release_cmd(struct se_cmd *se_cmd) @@ -893,6 +939,20 @@ sense_reason_t target_do_xcopy(struct se_cmd *se_cmd) " tdll: %hu sdll: %u inline_dl: %u\n", list_id, list_id_usage, tdll, sdll, inline_dl); + /* + * skip over the target descriptors until segment descriptors + * have been passed - CSCD ids are needed to determine src and dest. + */ + seg_desc = &p[16] + tdll; + + rc = target_xcopy_parse_segment_descriptors(se_cmd, xop, seg_desc, + sdll, &ret); + if (rc <= 0) + goto out; + + pr_debug("XCOPY: Processed %d segment descriptors, length: %u\n", rc, + rc * XCOPY_SEGMENT_DESC_LEN); + rc = target_xcopy_parse_target_descriptors(se_cmd, xop, &p[16], tdll, &ret); if (rc <= 0) goto out; @@ -910,18 +970,8 @@ sense_reason_t target_do_xcopy(struct se_cmd *se_cmd) pr_debug("XCOPY: Processed %d target descriptors, length: %u\n", rc, rc * XCOPY_TARGET_DESC_LEN); - seg_desc = &p[16]; - seg_desc += (rc * XCOPY_TARGET_DESC_LEN); - - rc = target_xcopy_parse_segment_descriptors(se_cmd, xop, seg_desc, sdll); - if (rc <= 0) { - xcopy_pt_undepend_remotedev(xop); - goto out; - } transport_kunmap_data_sg(se_cmd); - pr_debug("XCOPY: Processed %d segment descriptors, length: %u\n", rc, - rc * XCOPY_SEGMENT_DESC_LEN); INIT_WORK(&xop->xop_work, target_xcopy_do_work); queue_work(xcopy_wq, &xop->xop_work); return TCM_NO_SENSE; diff --git a/drivers/target/target_core_xcopy.h b/drivers/target/target_core_xcopy.h index 700a981c7b41..7db8d0c9223f 100644 --- a/drivers/target/target_core_xcopy.h +++ b/drivers/target/target_core_xcopy.h @@ -19,6 +19,7 @@ struct xcopy_op { struct se_device *dst_dev; unsigned char dst_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; unsigned char local_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; + struct percpu_ref *remote_lun_ref; sector_t src_lba; sector_t dst_lba; diff --git a/drivers/thermal/fair_share.c b/drivers/thermal/fair_share.c index 34fe36504a55..e701356441a9 100644 --- a/drivers/thermal/fair_share.c +++ b/drivers/thermal/fair_share.c @@ -93,6 +93,8 @@ static int fair_share_throttle(struct thermal_zone_device *tz, int trip) int total_instance = 0; int cur_trip_level = get_trip_level(tz); + mutex_lock(&tz->lock); + list_for_each_entry(instance, &tz->thermal_instances, tz_node) { if (instance->trip != trip) continue; @@ -119,6 +121,8 @@ static int fair_share_throttle(struct thermal_zone_device *tz, int trip) instance->cdev->updated = false; thermal_cdev_update(cdev); } + + mutex_unlock(&tz->lock); return 0; } diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c index 5997b1731111..cba662c50f91 100644 --- a/drivers/tty/hvc/hvcs.c +++ b/drivers/tty/hvc/hvcs.c @@ -1232,13 +1232,6 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp) tty_wait_until_sent(tty, HVCS_CLOSE_WAIT); - /* - * This line is important because it tells hvcs_open that this - * device needs to be re-configured the next time hvcs_open is - * called. - */ - tty->driver_data = NULL; - free_irq(irq, hvcsd); return; } else if (hvcsd->port.count < 0) { @@ -1254,6 +1247,13 @@ static void hvcs_cleanup(struct tty_struct * tty) { struct hvcs_struct *hvcsd = tty->driver_data; + /* + * This line is important because it tells hvcs_open that this + * device needs to be re-configured the next time hvcs_open is + * called. + */ + tty->driver_data = NULL; + tty_port_put(&hvcsd->port); } diff --git a/drivers/tty/ipwireless/network.c b/drivers/tty/ipwireless/network.c index c0dfb642383b..dc7f4eb18e0a 100644 --- a/drivers/tty/ipwireless/network.c +++ b/drivers/tty/ipwireless/network.c @@ -116,7 +116,7 @@ static int ipwireless_ppp_start_xmit(struct ppp_channel *ppp_channel, skb->len, notify_packet_sent, network); - if (ret == -1) { + if (ret < 0) { skb_pull(skb, 2); return 0; } @@ -133,7 +133,7 @@ static int ipwireless_ppp_start_xmit(struct ppp_channel *ppp_channel, notify_packet_sent, network); kfree(buf); - if (ret == -1) + if (ret < 0) return 0; } kfree_skb(skb); diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c index 345cebb07ae7..0b06b1847450 100644 --- a/drivers/tty/ipwireless/tty.c +++ b/drivers/tty/ipwireless/tty.c @@ -217,7 +217,7 @@ static int ipw_write(struct tty_struct *linux_tty, ret = ipwireless_send_packet(tty->hardware, IPW_CHANNEL_RAS, buf, count, ipw_write_packet_sent_callback, tty); - if (ret == -1) { + if (ret < 0) { mutex_unlock(&tty->ipw_tty_mutex); return 0; } diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index c8a2e5b0eff7..8ee146b14aae 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -115,10 +115,10 @@ static int pty_write(struct tty_struct *tty, const unsigned char *buf, int c) spin_lock_irqsave(&to->port->lock, flags); /* Stuff the data into the input queue of the other end */ c = tty_insert_flip_string(to->port, buf, c); + spin_unlock_irqrestore(&to->port->lock, flags); /* And shovel */ if (c) tty_flip_buffer_push(to->port); - spin_unlock_irqrestore(&to->port->lock, flags); } return c; } diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c index 470ccf729d59..93334e07dd5f 100644 --- a/drivers/tty/serial/8250/8250_mtk.c +++ b/drivers/tty/serial/8250/8250_mtk.c @@ -58,7 +58,7 @@ mtk8250_set_termios(struct uart_port *port, struct ktermios *termios, */ baud = tty_termios_baud_rate(termios); - serial8250_do_set_termios(port, termios, old); + serial8250_do_set_termios(port, termios, NULL); tty_termios_encode_baud_rate(termios, baud, baud); diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index 0377b35d62b8..4bcb8dfa4874 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -155,11 +155,6 @@ static void omap_8250_mdr1_errataset(struct uart_8250_port *up, struct omap8250_priv *priv) { u8 timeout = 255; - u8 old_mdr1; - - old_mdr1 = serial_in(up, UART_OMAP_MDR1); - if (old_mdr1 == priv->mdr1) - return; serial_out(up, UART_OMAP_MDR1, priv->mdr1); udelay(2); diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index f38beb28e7ae..5c3c86d4fe71 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -9,6 +9,7 @@ menu "Serial drivers" config SERIAL_EARLYCON bool + depends on SERIAL_CORE help Support for early consoles with the earlycon parameter. This enables the console before standard serial driver is probed. The console is diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index ca69e2ca6b56..6a9fa718bfd8 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1628,16 +1628,6 @@ imx_console_write(struct console *co, const char *s, unsigned int count) unsigned int ucr1; unsigned long flags = 0; int locked = 1; - int retval; - - retval = clk_enable(sport->clk_per); - if (retval) - return; - retval = clk_enable(sport->clk_ipg); - if (retval) { - clk_disable(sport->clk_per); - return; - } if (sport->port.sysrq) locked = 0; @@ -1673,9 +1663,6 @@ imx_console_write(struct console *co, const char *s, unsigned int count) if (locked) spin_unlock_irqrestore(&sport->port.lock, flags); - - clk_disable(sport->clk_ipg); - clk_disable(sport->clk_per); } /* @@ -1776,15 +1763,14 @@ imx_console_setup(struct console *co, char *options) retval = uart_set_options(&sport->port, co, baud, parity, bits, flow); - clk_disable(sport->clk_ipg); if (retval) { - clk_unprepare(sport->clk_ipg); + clk_disable_unprepare(sport->clk_ipg); goto error_console; } - retval = clk_prepare(sport->clk_per); + retval = clk_prepare_enable(sport->clk_per); if (retval) - clk_unprepare(sport->clk_ipg); + clk_disable_unprepare(sport->clk_ipg); error_console: return retval; diff --git a/drivers/tty/serial/rp2.c b/drivers/tty/serial/rp2.c index 056f91b3a4ca..b7d1b1645c84 100644 --- a/drivers/tty/serial/rp2.c +++ b/drivers/tty/serial/rp2.c @@ -198,7 +198,6 @@ struct rp2_card { void __iomem *bar0; void __iomem *bar1; spinlock_t card_lock; - struct completion fw_loaded; }; #define RP_ID(prod) PCI_VDEVICE(RP, (prod)) @@ -667,17 +666,10 @@ static void rp2_remove_ports(struct rp2_card *card) card->initialized_ports = 0; } -static void rp2_fw_cb(const struct firmware *fw, void *context) +static int rp2_load_firmware(struct rp2_card *card, const struct firmware *fw) { - struct rp2_card *card = context; resource_size_t phys_base; - int i, rc = -ENOENT; - - if (!fw) { - dev_err(&card->pdev->dev, "cannot find '%s' firmware image\n", - RP2_FW_NAME); - goto no_fw; - } + int i, rc = 0; phys_base = pci_resource_start(card->pdev, 1); @@ -723,23 +715,13 @@ static void rp2_fw_cb(const struct firmware *fw, void *context) card->initialized_ports++; } - release_firmware(fw); -no_fw: - /* - * rp2_fw_cb() is called from a workqueue long after rp2_probe() - * has already returned success. So if something failed here, - * we'll just leave the now-dormant device in place until somebody - * unbinds it. - */ - if (rc) - dev_warn(&card->pdev->dev, "driver initialization failed\n"); - - complete(&card->fw_loaded); + return rc; } static int rp2_probe(struct pci_dev *pdev, const struct pci_device_id *id) { + const struct firmware *fw; struct rp2_card *card; struct rp2_uart_port *ports; void __iomem * const *bars; @@ -750,7 +732,6 @@ static int rp2_probe(struct pci_dev *pdev, return -ENOMEM; pci_set_drvdata(pdev, card); spin_lock_init(&card->card_lock); - init_completion(&card->fw_loaded); rc = pcim_enable_device(pdev); if (rc) @@ -783,21 +764,23 @@ static int rp2_probe(struct pci_dev *pdev, return -ENOMEM; card->ports = ports; - rc = devm_request_irq(&pdev->dev, pdev->irq, rp2_uart_interrupt, - IRQF_SHARED, DRV_NAME, card); - if (rc) + rc = request_firmware(&fw, RP2_FW_NAME, &pdev->dev); + if (rc < 0) { + dev_err(&pdev->dev, "cannot find '%s' firmware image\n", + RP2_FW_NAME); return rc; + } - /* - * Only catastrophic errors (e.g. ENOMEM) are reported here. - * If the FW image is missing, we'll find out in rp2_fw_cb() - * and print an error message. - */ - rc = request_firmware_nowait(THIS_MODULE, 1, RP2_FW_NAME, &pdev->dev, - GFP_KERNEL, card, rp2_fw_cb); + rc = rp2_load_firmware(card, fw); + + release_firmware(fw); + if (rc < 0) + return rc; + + rc = devm_request_irq(&pdev->dev, pdev->irq, rp2_uart_interrupt, + IRQF_SHARED, DRV_NAME, card); if (rc) return rc; - dev_dbg(&pdev->dev, "waiting for firmware blob...\n"); return 0; } @@ -806,7 +789,6 @@ static void rp2_remove(struct pci_dev *pdev) { struct rp2_card *card = pci_get_drvdata(pdev); - wait_for_completion(&card->fw_loaded); rp2_remove_ports(card); } diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c index f80312eed4fd..ffb3fb1bda9e 100644 --- a/drivers/tty/serial/serial_txx9.c +++ b/drivers/tty/serial/serial_txx9.c @@ -1287,6 +1287,9 @@ static int __init serial_txx9_init(void) #ifdef ENABLE_SERIAL_TXX9_PCI ret = pci_register_driver(&serial_txx9_pci_driver); + if (ret) { + platform_driver_unregister(&serial_txx9_plat_driver); + } #endif if (ret == 0) goto out; diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index b7effcfee91d..bdb25b23e8d3 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -537,8 +537,8 @@ static void __proc_set_tty(struct tty_struct *tty) put_pid(tty->session); put_pid(tty->pgrp); tty->pgrp = get_pid(task_pgrp(current)); - spin_unlock_irqrestore(&tty->ctrl_lock, flags); tty->session = get_pid(task_session(current)); + spin_unlock_irqrestore(&tty->ctrl_lock, flags); if (current->signal->tty) { tty_debug(tty, "current tty %s not NULL!!\n", current->signal->tty->name); @@ -929,21 +929,24 @@ void disassociate_ctty(int on_exit) spin_lock_irq(¤t->sighand->siglock); put_pid(current->signal->tty_old_pgrp); current->signal->tty_old_pgrp = NULL; - tty = tty_kref_get(current->signal->tty); + spin_unlock_irq(¤t->sighand->siglock); + if (tty) { unsigned long flags; + + tty_lock(tty); spin_lock_irqsave(&tty->ctrl_lock, flags); put_pid(tty->session); put_pid(tty->pgrp); tty->session = NULL; tty->pgrp = NULL; spin_unlock_irqrestore(&tty->ctrl_lock, flags); + tty_unlock(tty); tty_kref_put(tty); } else tty_debug_hangup(tty, "no current tty\n"); - spin_unlock_irq(¤t->sighand->siglock); /* Now clear signal->tty under the lock */ read_lock(&tasklist_lock); session_clear_tty(task_session(current)); @@ -2601,14 +2604,19 @@ static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t return -ENOTTY; if (retval) return retval; - if (!current->signal->tty || - (current->signal->tty != real_tty) || - (real_tty->session != task_session(current))) - return -ENOTTY; + if (get_user(pgrp_nr, p)) return -EFAULT; if (pgrp_nr < 0) return -EINVAL; + + spin_lock_irq(&real_tty->ctrl_lock); + if (!current->signal->tty || + (current->signal->tty != real_tty) || + (real_tty->session != task_session(current))) { + retval = -ENOTTY; + goto out_unlock_ctrl; + } rcu_read_lock(); pgrp = find_vpid(pgrp_nr); retval = -ESRCH; @@ -2618,12 +2626,12 @@ static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t if (session_of_pgrp(pgrp) != task_session(current)) goto out_unlock; retval = 0; - spin_lock_irq(&tty->ctrl_lock); put_pid(real_tty->pgrp); real_tty->pgrp = get_pid(pgrp); - spin_unlock_irq(&tty->ctrl_lock); out_unlock: rcu_read_unlock(); +out_unlock_ctrl: + spin_unlock_irq(&real_tty->ctrl_lock); return retval; } @@ -2635,21 +2643,31 @@ out_unlock: * * Obtain the session id of the tty. If there is no session * return an error. - * - * Locking: none. Reference to current->signal->tty is safe. */ static int tiocgsid(struct tty_struct *tty, struct tty_struct *real_tty, pid_t __user *p) { + unsigned long flags; + pid_t sid; + /* * (tty == real_tty) is a cheap way of * testing if the tty is NOT a master pty. */ if (tty == real_tty && current->signal->tty != real_tty) return -ENOTTY; + + spin_lock_irqsave(&real_tty->ctrl_lock, flags); if (!real_tty->session) - return -ENOTTY; - return put_user(pid_vnr(real_tty->session), p); + goto err; + sid = pid_vnr(real_tty->session); + spin_unlock_irqrestore(&real_tty->ctrl_lock, flags); + + return put_user(sid, p); + +err: + spin_unlock_irqrestore(&real_tty->ctrl_lock, flags); + return -ENOTTY; } /** @@ -2744,14 +2762,14 @@ out: * @p: pointer to result * * Obtain the modem status bits from the tty driver if the feature - * is supported. Return -EINVAL if it is not available. + * is supported. Return -ENOTTY if it is not available. * * Locking: none (up to the driver) */ static int tty_tiocmget(struct tty_struct *tty, int __user *p) { - int retval = -EINVAL; + int retval = -ENOTTY; if (tty->ops->tiocmget) { retval = tty->ops->tiocmget(tty); @@ -2769,7 +2787,7 @@ static int tty_tiocmget(struct tty_struct *tty, int __user *p) * @p: pointer to desired bits * * Set the modem status bits from the tty driver if the feature - * is supported. Return -EINVAL if it is not available. + * is supported. Return -ENOTTY if it is not available. * * Locking: none (up to the driver) */ @@ -2781,7 +2799,7 @@ static int tty_tiocmset(struct tty_struct *tty, unsigned int cmd, unsigned int set, clear, val; if (tty->ops->tiocmset == NULL) - return -EINVAL; + return -ENOTTY; retval = get_user(val, p); if (retval) @@ -3061,10 +3079,14 @@ void __do_SAK(struct tty_struct *tty) struct task_struct *g, *p; struct pid *session; int i; + unsigned long flags; if (!tty) return; - session = tty->session; + + spin_lock_irqsave(&tty->ctrl_lock, flags); + session = get_pid(tty->session); + spin_unlock_irqrestore(&tty->ctrl_lock, flags); tty_ldisc_flush(tty); @@ -3100,6 +3122,7 @@ void __do_SAK(struct tty_struct *tty) task_unlock(p); } while_each_thread(g, p); read_unlock(&tasklist_lock); + put_pid(session); #endif } diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c index c8c91f0476a2..e8301dcf4c84 100644 --- a/drivers/tty/vt/consolemap.c +++ b/drivers/tty/vt/consolemap.c @@ -494,7 +494,7 @@ con_insert_unipair(struct uni_pagedir *p, u_short unicode, u_short fontpos) p2[unicode & 0x3f] = fontpos; - p->sum += (fontpos << 20) + unicode; + p->sum += (fontpos << 20U) + unicode; return 0; } diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c index 96c65fe64141..05941f86df3d 100644 --- a/drivers/tty/vt/keyboard.c +++ b/drivers/tty/vt/keyboard.c @@ -712,8 +712,13 @@ static void k_fn(struct vc_data *vc, unsigned char value, char up_flag) return; if ((unsigned)value < ARRAY_SIZE(func_table)) { + unsigned long flags; + + spin_lock_irqsave(&func_buf_lock, flags); if (func_table[value]) puts_queue(vc, func_table[value]); + spin_unlock_irqrestore(&func_buf_lock, flags); + } else pr_err("k_fn called with value=%d\n", value); } @@ -1969,13 +1974,11 @@ out: #undef s #undef v -/* FIXME: This one needs untangling and locking */ +/* FIXME: This one needs untangling */ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm) { struct kbsentry *kbs; - char *p; u_char *q; - u_char __user *up; int sz, fnw_sz; int delta; char *first_free, *fj, *fnw; @@ -2001,23 +2004,19 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm) i = kbs->kb_func; switch (cmd) { - case KDGKBSENT: - sz = sizeof(kbs->kb_string) - 1; /* sz should have been - a struct member */ - up = user_kdgkb->kb_string; - p = func_table[i]; - if(p) - for ( ; *p && sz; p++, sz--) - if (put_user(*p, up++)) { - ret = -EFAULT; - goto reterr; - } - if (put_user('\0', up)) { - ret = -EFAULT; - goto reterr; - } - kfree(kbs); - return ((p && *p) ? -EOVERFLOW : 0); + case KDGKBSENT: { + /* size should have been a struct member */ + ssize_t len = sizeof(user_kdgkb->kb_string); + + spin_lock_irqsave(&func_buf_lock, flags); + len = strlcpy(kbs->kb_string, func_table[i] ? : "", len); + spin_unlock_irqrestore(&func_buf_lock, flags); + + ret = copy_to_user(user_kdgkb->kb_string, kbs->kb_string, + len + 1) ? -EFAULT : 0; + + goto reterr; + } case KDSKBSENT: if (!perm) { ret = -EPERM; diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 01aeffcdf984..9f479b4c6491 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -826,7 +826,7 @@ static inline int resize_screen(struct vc_data *vc, int width, int height, /* Resizes the resolution of the display adapater */ int err = 0; - if (vc->vc_mode != KD_GRAPHICS && vc->vc_sw->con_resize) + if (vc->vc_sw->con_resize) err = vc->vc_sw->con_resize(vc, width, height, user); return err; @@ -4226,27 +4226,6 @@ static int con_font_default(struct vc_data *vc, struct console_font_op *op) return rc; } -static int con_font_copy(struct vc_data *vc, struct console_font_op *op) -{ - int con = op->height; - int rc; - - - console_lock(); - if (vc->vc_mode != KD_TEXT) - rc = -EINVAL; - else if (!vc->vc_sw->con_font_copy) - rc = -ENOSYS; - else if (con < 0 || !vc_cons_allocated(con)) - rc = -ENOTTY; - else if (con == vc->vc_num) /* nothing to do */ - rc = 0; - else - rc = vc->vc_sw->con_font_copy(vc, con); - console_unlock(); - return rc; -} - int con_font_op(struct vc_data *vc, struct console_font_op *op) { switch (op->op) { @@ -4257,7 +4236,8 @@ int con_font_op(struct vc_data *vc, struct console_font_op *op) case KD_FONT_OP_SET_DEFAULT: return con_font_default(vc, op); case KD_FONT_OP_COPY: - return con_font_copy(vc, op); + /* was buggy and never really used */ + return -EINVAL; } return -ENOSYS; } diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index b0f0771a5729..e1a8f4121206 100644 --- a/drivers/tty/vt/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c @@ -243,7 +243,7 @@ int vt_waitactive(int n) static inline int -do_fontx_ioctl(int cmd, struct consolefontdesc __user *user_cfd, int perm, struct console_font_op *op) +do_fontx_ioctl(struct vc_data *vc, int cmd, struct consolefontdesc __user *user_cfd, int perm, struct console_font_op *op) { struct consolefontdesc cfdarg; int i; @@ -261,15 +261,16 @@ do_fontx_ioctl(int cmd, struct consolefontdesc __user *user_cfd, int perm, struc op->height = cfdarg.charheight; op->charcount = cfdarg.charcount; op->data = cfdarg.chardata; - return con_font_op(vc_cons[fg_console].d, op); - case GIO_FONTX: { + return con_font_op(vc, op); + + case GIO_FONTX: op->op = KD_FONT_OP_GET; op->flags = KD_FONT_FLAG_OLD; op->width = 8; op->height = cfdarg.charheight; op->charcount = cfdarg.charcount; op->data = cfdarg.chardata; - i = con_font_op(vc_cons[fg_console].d, op); + i = con_font_op(vc, op); if (i) return i; cfdarg.charheight = op->height; @@ -277,7 +278,6 @@ do_fontx_ioctl(int cmd, struct consolefontdesc __user *user_cfd, int perm, struc if (copy_to_user(user_cfd, &cfdarg, sizeof(struct consolefontdesc))) return -EFAULT; return 0; - } } return -EINVAL; } @@ -898,17 +898,17 @@ int vt_ioctl(struct tty_struct *tty, if (vcp) { int ret; int save_scan_lines = vcp->vc_scan_lines; - int save_font_height = vcp->vc_font.height; + int save_cell_height = vcp->vc_cell_height; if (v.v_vlin) vcp->vc_scan_lines = v.v_vlin; if (v.v_clin) - vcp->vc_font.height = v.v_clin; + vcp->vc_cell_height = v.v_clin; vcp->vc_resize_user = 1; ret = vc_resize(vcp, v.v_cols, v.v_rows); if (ret) { vcp->vc_scan_lines = save_scan_lines; - vcp->vc_font.height = save_font_height; + vcp->vc_cell_height = save_cell_height; console_unlock(); return ret; } @@ -927,7 +927,7 @@ int vt_ioctl(struct tty_struct *tty, op.height = 0; op.charcount = 256; op.data = up; - ret = con_font_op(vc_cons[fg_console].d, &op); + ret = con_font_op(vc, &op); break; } @@ -938,7 +938,7 @@ int vt_ioctl(struct tty_struct *tty, op.height = 32; op.charcount = 256; op.data = up; - ret = con_font_op(vc_cons[fg_console].d, &op); + ret = con_font_op(vc, &op); break; } @@ -955,7 +955,7 @@ int vt_ioctl(struct tty_struct *tty, case PIO_FONTX: case GIO_FONTX: - ret = do_fontx_ioctl(cmd, up, perm, &op); + ret = do_fontx_ioctl(vc, cmd, up, perm, &op); break; case PIO_FONTRESET: @@ -972,11 +972,11 @@ int vt_ioctl(struct tty_struct *tty, { op.op = KD_FONT_OP_SET_DEFAULT; op.data = NULL; - ret = con_font_op(vc_cons[fg_console].d, &op); + ret = con_font_op(vc, &op); if (ret) break; console_lock(); - con_set_default_unimap(vc_cons[fg_console].d); + con_set_default_unimap(vc); console_unlock(); break; } @@ -1109,8 +1109,9 @@ struct compat_consolefontdesc { }; static inline int -compat_fontx_ioctl(int cmd, struct compat_consolefontdesc __user *user_cfd, - int perm, struct console_font_op *op) +compat_fontx_ioctl(struct vc_data *vc, int cmd, + struct compat_consolefontdesc __user *user_cfd, + int perm, struct console_font_op *op) { struct compat_consolefontdesc cfdarg; int i; @@ -1128,7 +1129,8 @@ compat_fontx_ioctl(int cmd, struct compat_consolefontdesc __user *user_cfd, op->height = cfdarg.charheight; op->charcount = cfdarg.charcount; op->data = compat_ptr(cfdarg.chardata); - return con_font_op(vc_cons[fg_console].d, op); + return con_font_op(vc, op); + case GIO_FONTX: op->op = KD_FONT_OP_GET; op->flags = KD_FONT_FLAG_OLD; @@ -1136,7 +1138,7 @@ compat_fontx_ioctl(int cmd, struct compat_consolefontdesc __user *user_cfd, op->height = cfdarg.charheight; op->charcount = cfdarg.charcount; op->data = compat_ptr(cfdarg.chardata); - i = con_font_op(vc_cons[fg_console].d, op); + i = con_font_op(vc, op); if (i) return i; cfdarg.charheight = op->height; @@ -1231,7 +1233,7 @@ long vt_compat_ioctl(struct tty_struct *tty, */ case PIO_FONTX: case GIO_FONTX: - ret = compat_fontx_ioctl(cmd, up, perm, &op); + ret = compat_fontx_ioctl(vc, cmd, up, perm, &op); break; case KDFONTOP: diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index dcd9820aa4fb..db75dc1e662d 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -58,7 +58,8 @@ static const struct ci_hdrc_imx_platform_flag imx6sx_usb_data = { static const struct ci_hdrc_imx_platform_flag imx6ul_usb_data = { .flags = CI_HDRC_SUPPORTS_RUNTIME_PM | - CI_HDRC_TURN_VBUS_EARLY_ON, + CI_HDRC_TURN_VBUS_EARLY_ON | + CI_HDRC_DISABLE_DEVICE_STREAMING, }; static const struct ci_hdrc_imx_platform_flag imx7d_usb_data = { @@ -131,9 +132,13 @@ static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev) misc_pdev = of_find_device_by_node(args.np); of_node_put(args.np); - if (!misc_pdev || !platform_get_drvdata(misc_pdev)) + if (!misc_pdev) return ERR_PTR(-EPROBE_DEFER); + if (!platform_get_drvdata(misc_pdev)) { + put_device(&misc_pdev->dev); + return ERR_PTR(-EPROBE_DEFER); + } data->dev = &misc_pdev->dev; if (of_find_property(np, "disable-over-current", NULL)) diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 515839034dfb..0478d55bd283 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -334,8 +334,10 @@ static void acm_ctrl_irq(struct urb *urb) acm->iocount.dsr++; if (difference & ACM_CTRL_DCD) acm->iocount.dcd++; - if (newctrl & ACM_CTRL_BRK) + if (newctrl & ACM_CTRL_BRK) { acm->iocount.brk++; + tty_insert_flip_char(&acm->port, 0, TTY_BREAK); + } if (newctrl & ACM_CTRL_RI) acm->iocount.rng++; if (newctrl & ACM_CTRL_FRAMING) @@ -548,7 +550,8 @@ static void acm_port_dtr_rts(struct tty_port *port, int raise) res = acm_set_control(acm, val); if (res && (acm->ctrl_caps & USB_CDC_CAP_LINE)) - dev_err(&acm->control->dev, "failed to set dtr/rts\n"); + /* This is broken in too many devices to spam the logs */ + dev_dbg(&acm->control->dev, "failed to set dtr/rts\n"); } static int acm_port_activate(struct tty_port *port, struct tty_struct *tty) @@ -880,8 +883,6 @@ static int set_serial_info(struct acm *acm, if ((new_serial.close_delay != old_close_delay) || (new_serial.closing_wait != old_closing_wait)) retval = -EPERM; - else - retval = -EOPNOTSUPP; } else { acm->port.close_delay = close_delay; acm->port.closing_wait = closing_wait; @@ -1499,6 +1500,11 @@ skip_countries: return 0; alloc_fail8: + if (!acm->combined_interfaces) { + /* Clear driver data so that disconnect() returns early. */ + usb_set_intfdata(data_interface, NULL); + usb_driver_release_interface(&acm_driver, data_interface); + } if (acm->country_codes) { device_remove_file(&acm->control->dev, &dev_attr_wCountryCodes); @@ -1693,6 +1699,15 @@ static const struct usb_device_id acm_ids[] = { { USB_DEVICE(0x0870, 0x0001), /* Metricom GS Modem */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, + { USB_DEVICE(0x045b, 0x023c), /* Renesas USB Download mode */ + .driver_info = DISABLE_ECHO, /* Don't echo banner */ + }, + { USB_DEVICE(0x045b, 0x0248), /* Renesas USB Download mode */ + .driver_info = DISABLE_ECHO, /* Don't echo banner */ + }, + { USB_DEVICE(0x045b, 0x024D), /* Renesas USB Download mode */ + .driver_info = DISABLE_ECHO, /* Don't echo banner */ + }, { USB_DEVICE(0x0e8d, 0x0003), /* FIREFLY, MediaTek Inc; andrey.arapov@gmail.com */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, @@ -1885,6 +1900,10 @@ static const struct usb_device_id acm_ids[] = { { USB_DEVICE(0x04d8, 0x0083), /* Bootloader mode */ .driver_info = IGNORE_DEVICE, }, + + { USB_DEVICE(0x04d8, 0xf58b), + .driver_info = IGNORE_DEVICE, + }, #endif /*Samsung phone in firmware update mode */ @@ -1897,6 +1916,17 @@ static const struct usb_device_id acm_ids[] = { .driver_info = IGNORE_DEVICE, }, + /* Exclude ETAS ES58x */ + { USB_DEVICE(0x108c, 0x0159), /* ES581.4 */ + .driver_info = IGNORE_DEVICE, + }, + { USB_DEVICE(0x108c, 0x0168), /* ES582.1 */ + .driver_info = IGNORE_DEVICE, + }, + { USB_DEVICE(0x108c, 0x0169), /* ES584.1 */ + .driver_info = IGNORE_DEVICE, + }, + { USB_DEVICE(0x1bc7, 0x0021), /* Telit 3G ACM only composition */ .driver_info = SEND_ZERO_PACKET, }, @@ -1904,6 +1934,11 @@ static const struct usb_device_id acm_ids[] = { .driver_info = SEND_ZERO_PACKET, }, + /* Exclude Goodix Fingerprint Reader */ + { USB_DEVICE(0x27c6, 0x5395), + .driver_info = IGNORE_DEVICE, + }, + /* control interfaces without any protocol set */ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM, USB_CDC_PROTO_NONE) }, diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 1a1d1cfc3704..35ee2233ad17 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -61,6 +61,9 @@ MODULE_DEVICE_TABLE (usb, wdm_ids); #define WDM_MAX 16 +/* we cannot wait forever at flush() */ +#define WDM_FLUSH_TIMEOUT (30 * HZ) + /* CDC-WMC r1.1 requires wMaxCommand to be "at least 256 decimal (0x100)" */ #define WDM_DEFAULT_BUFSIZE 256 @@ -151,7 +154,7 @@ static void wdm_out_callback(struct urb *urb) kfree(desc->outbuf); desc->outbuf = NULL; clear_bit(WDM_IN_USE, &desc->flags); - wake_up(&desc->wait); + wake_up_all(&desc->wait); } static void wdm_in_callback(struct urb *urb) @@ -382,6 +385,9 @@ static ssize_t wdm_write if (test_bit(WDM_RESETTING, &desc->flags)) r = -EIO; + if (test_bit(WDM_DISCONNECTING, &desc->flags)) + r = -ENODEV; + if (r < 0) { rv = r; goto out_free_mem_pm; @@ -413,6 +419,7 @@ static ssize_t wdm_write if (rv < 0) { desc->outbuf = NULL; clear_bit(WDM_IN_USE, &desc->flags); + wake_up_all(&desc->wait); /* for wdm_wait_for_response() */ dev_err(&desc->intf->dev, "Tx URB error: %d\n", rv); rv = usb_translate_errors(rv); goto out_free_mem_pm; @@ -573,28 +580,58 @@ err: return rv; } -static int wdm_flush(struct file *file, fl_owner_t id) +static int wdm_wait_for_response(struct file *file, long timeout) { struct wdm_device *desc = file->private_data; + long rv; /* Use long here because (int) MAX_SCHEDULE_TIMEOUT < 0. */ - wait_event(desc->wait, - /* - * needs both flags. We cannot do with one - * because resetting it would cause a race - * with write() yet we need to signal - * a disconnect - */ - !test_bit(WDM_IN_USE, &desc->flags) || - test_bit(WDM_DISCONNECTING, &desc->flags)); - - /* cannot dereference desc->intf if WDM_DISCONNECTING */ + /* + * Needs both flags. We cannot do with one because resetting it would + * cause a race with write() yet we need to signal a disconnect. + */ + rv = wait_event_interruptible_timeout(desc->wait, + !test_bit(WDM_IN_USE, &desc->flags) || + test_bit(WDM_DISCONNECTING, &desc->flags), + timeout); + + /* + * To report the correct error. This is best effort. + * We are inevitably racing with the hardware. + */ if (test_bit(WDM_DISCONNECTING, &desc->flags)) return -ENODEV; - if (desc->werr < 0) - dev_err(&desc->intf->dev, "Error in flush path: %d\n", - desc->werr); + if (!rv) + return -EIO; + if (rv < 0) + return -EINTR; - return usb_translate_errors(desc->werr); + spin_lock_irq(&desc->iuspin); + rv = desc->werr; + desc->werr = 0; + spin_unlock_irq(&desc->iuspin); + + return usb_translate_errors(rv); + +} + +/* + * You need to send a signal when you react to malicious or defective hardware. + * Also, don't abort when fsync() returned -EINVAL, for older kernels which do + * not implement wdm_flush() will return -EINVAL. + */ +static int wdm_fsync(struct file *file, loff_t start, loff_t end, int datasync) +{ + return wdm_wait_for_response(file, MAX_SCHEDULE_TIMEOUT); +} + +/* + * Same with wdm_fsync(), except it uses finite timeout in order to react to + * malicious or defective hardware which ceased communication after close() was + * implicitly called due to process termination. + */ +static int wdm_flush(struct file *file, fl_owner_t id) +{ + return wdm_wait_for_response(file, WDM_FLUSH_TIMEOUT); } static unsigned int wdm_poll(struct file *file, struct poll_table_struct *wait) @@ -719,6 +756,7 @@ static const struct file_operations wdm_fops = { .owner = THIS_MODULE, .read = wdm_read, .write = wdm_write, + .fsync = wdm_fsync, .open = wdm_open, .flush = wdm_flush, .release = wdm_release, diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 71c2ae4b8106..582099f4f449 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -289,8 +289,25 @@ static int usblp_ctrl_msg(struct usblp *usblp, int request, int type, int dir, i #define usblp_reset(usblp)\ usblp_ctrl_msg(usblp, USBLP_REQ_RESET, USB_TYPE_CLASS, USB_DIR_OUT, USB_RECIP_OTHER, 0, NULL, 0) -#define usblp_hp_channel_change_request(usblp, channel, buffer) \ - usblp_ctrl_msg(usblp, USBLP_REQ_HP_CHANNEL_CHANGE_REQUEST, USB_TYPE_VENDOR, USB_DIR_IN, USB_RECIP_INTERFACE, channel, buffer, 1) +static int usblp_hp_channel_change_request(struct usblp *usblp, int channel, u8 *new_channel) +{ + u8 *buf; + int ret; + + buf = kzalloc(1, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + ret = usblp_ctrl_msg(usblp, USBLP_REQ_HP_CHANNEL_CHANGE_REQUEST, + USB_TYPE_VENDOR, USB_DIR_IN, USB_RECIP_INTERFACE, + channel, buf, 1); + if (ret == 0) + *new_channel = buf[0]; + + kfree(buf); + + return ret; +} /* * See the description for usblp_select_alts() below for the usage @@ -1332,14 +1349,17 @@ static int usblp_set_protocol(struct usblp *usblp, int protocol) if (protocol < USBLP_FIRST_PROTOCOL || protocol > USBLP_LAST_PROTOCOL) return -EINVAL; - alts = usblp->protocol[protocol].alt_setting; - if (alts < 0) - return -EINVAL; - r = usb_set_interface(usblp->dev, usblp->ifnum, alts); - if (r < 0) { - printk(KERN_ERR "usblp: can't set desired altsetting %d on interface %d\n", - alts, usblp->ifnum); - return r; + /* Don't unnecessarily set the interface if there's a single alt. */ + if (usblp->intf->num_altsetting > 1) { + alts = usblp->protocol[protocol].alt_setting; + if (alts < 0) + return -EINVAL; + r = usb_set_interface(usblp->dev, usblp->ifnum, alts); + if (r < 0) { + printk(KERN_ERR "usblp: can't set desired altsetting %d on interface %d\n", + alts, usblp->ifnum); + return r; + } } usblp->bidir = (usblp->protocol[protocol].epread != NULL); diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 570a76d91250..eca8d04cfb3e 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -222,6 +222,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, struct usb_host_interface *ifp, int num_ep, unsigned char *buffer, int size) { + struct usb_device *udev = to_usb_device(ddev); unsigned char *buffer0 = buffer; struct usb_endpoint_descriptor *d; struct usb_host_endpoint *endpoint; @@ -263,6 +264,16 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, goto skip_to_next_endpoint_or_interface_descriptor; } + /* Ignore blacklisted endpoints */ + if (udev->quirks & USB_QUIRK_ENDPOINT_BLACKLIST) { + if (usb_endpoint_is_blacklisted(udev, ifp, d)) { + dev_warn(ddev, "config %d interface %d altsetting %d has a blacklisted endpoint with address 0x%X, skipping\n", + cfgno, inum, asnum, + d->bEndpointAddress); + goto skip_to_next_endpoint_or_interface_descriptor; + } + } + endpoint = &ifp->endpoint[ifp->desc.bNumEndpoints]; ++ifp->desc.bNumEndpoints; diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 7559d96695da..4c1679cc5742 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -369,11 +369,11 @@ static void snoop_urb(struct usb_device *udev, if (userurb) { /* Async */ if (when == SUBMIT) - dev_info(&udev->dev, "userurb %pK, ep%d %s-%s, " + dev_info(&udev->dev, "userurb %px, ep%d %s-%s, " "length %u\n", userurb, ep, t, d, length); else - dev_info(&udev->dev, "userurb %pK, ep%d %s-%s, " + dev_info(&udev->dev, "userurb %px, ep%d %s-%s, " "actual_length %u status %d\n", userurb, ep, t, d, length, timeout_or_status); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index c422b4df97e8..6e2bf3e69a0a 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -3430,9 +3430,6 @@ int usb_port_resume(struct usb_device *udev, pm_message_t msg) * sequence. */ status = hub_port_status(hub, port1, &portstatus, &portchange); - - /* TRSMRCY = 10 msec */ - msleep(10); } SuspendCleared: @@ -3447,6 +3444,9 @@ int usb_port_resume(struct usb_device *udev, pm_message_t msg) usb_clear_port_feature(hub->hdev, port1, USB_PORT_FEAT_C_SUSPEND); } + + /* TRSMRCY = 10 msec */ + msleep(10); } if (udev->persist_enabled && hub_is_superspeed(hub->hdev)) diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h index 688817fb3246..f824c7f78ae5 100644 --- a/drivers/usb/core/hub.h +++ b/drivers/usb/core/hub.h @@ -140,8 +140,10 @@ static inline unsigned hub_power_on_good_delay(struct usb_hub *hub) { unsigned delay = hub->descriptor->bPwrOn2PwrGood * 2; - /* Wait at least 100 msec for power to become stable */ - return max(delay, 100U); + if (!hub->hdev->parent) /* root hub */ + return delay; + else /* Wait at least 100 msec for power to become stable */ + return max(delay, 100U); } static inline int hub_port_debounce_be_connected(struct usb_hub *hub, diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index dd72e85f2e17..3dfd584a1ef3 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -189,12 +189,19 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x06a3, 0x0006), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, + /* Agfa SNAPSCAN 1212U */ + { USB_DEVICE(0x06bd, 0x0001), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Guillemot Webcam Hercules Dualpix Exchange (2nd ID) */ { USB_DEVICE(0x06f8, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME }, /* Guillemot Webcam Hercules Dualpix Exchange*/ { USB_DEVICE(0x06f8, 0x3005), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Guillemot Hercules DJ Console audio card (BZ 208357) */ + { USB_DEVICE(0x06f8, 0xb000), .driver_info = + USB_QUIRK_ENDPOINT_BLACKLIST }, + /* Midiman M-Audio Keystation 88es */ { USB_DEVICE(0x0763, 0x0192), .driver_info = USB_QUIRK_RESET_RESUME }, @@ -217,9 +224,15 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x0926, 0x3333), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, + /* Kingston DataTraveler 3.0 */ + { USB_DEVICE(0x0951, 0x1666), .driver_info = USB_QUIRK_NO_LPM }, + /* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */ { USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF }, + /* ELMO L-12F document camera */ + { USB_DEVICE(0x09a1, 0x0028), .driver_info = USB_QUIRK_DELAY_CTRL_MSG }, + /* Broadcom BCM92035DGROM BT dongle */ { USB_DEVICE(0x0a5c, 0x2021), .driver_info = USB_QUIRK_RESET_RESUME }, @@ -232,6 +245,7 @@ static const struct usb_device_id usb_quirk_list[] = { /* Realtek hub in Dell WD19 (Type-C) */ { USB_DEVICE(0x0bda, 0x0487), .driver_info = USB_QUIRK_NO_LPM }, + { USB_DEVICE(0x0bda, 0x5487), .driver_info = USB_QUIRK_RESET_RESUME }, /* Generic RTL8153 based ethernet adapters */ { USB_DEVICE(0x0bda, 0x8153), .driver_info = USB_QUIRK_NO_LPM }, @@ -251,6 +265,9 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x1532, 0x0116), .driver_info = USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL }, + /* Lenovo ThinkPad USB-C Dock Gen2 Ethernet (RTL8153 GigE) */ + { USB_DEVICE(0x17ef, 0xa387), .driver_info = USB_QUIRK_NO_LPM }, + /* BUILDWIN Photo Frame */ { USB_DEVICE(0x1908, 0x1315), .driver_info = USB_QUIRK_HONOR_BNUMINTERFACES }, @@ -308,6 +325,10 @@ static const struct usb_device_id usb_quirk_list[] = { /* DJI CineSSD */ { USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM }, + /* Fibocom L850-GL LTE Modem */ + { USB_DEVICE(0x2cb7, 0x0007), .driver_info = + USB_QUIRK_IGNORE_REMOTE_WAKEUP }, + /* INTEL VALUE SSD */ { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME }, @@ -341,6 +362,40 @@ static const struct usb_device_id usb_amd_resume_quirk_list[] = { { } /* terminating entry must be last */ }; +/* + * Entries for blacklisted endpoints that should be ignored when parsing + * configuration descriptors. + * + * Matched for devices with USB_QUIRK_ENDPOINT_BLACKLIST. + */ +static const struct usb_device_id usb_endpoint_blacklist[] = { + { USB_DEVICE_INTERFACE_NUMBER(0x06f8, 0xb000, 5), .driver_info = 0x01 }, + { USB_DEVICE_INTERFACE_NUMBER(0x06f8, 0xb000, 5), .driver_info = 0x81 }, + { } +}; + +bool usb_endpoint_is_blacklisted(struct usb_device *udev, + struct usb_host_interface *intf, + struct usb_endpoint_descriptor *epd) +{ + const struct usb_device_id *id; + unsigned int address; + + for (id = usb_endpoint_blacklist; id->match_flags; ++id) { + if (!usb_match_device(udev, id)) + continue; + + if (!usb_match_one_id_intf(udev, intf, id)) + continue; + + address = id->driver_info; + if (address == epd->bEndpointAddress) + return true; + } + + return false; +} + static bool usb_match_any_interface(struct usb_device *udev, const struct usb_device_id *id) { diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index c095cde55329..8c4bfd42f785 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -767,11 +767,12 @@ void usb_block_urb(struct urb *urb) EXPORT_SYMBOL_GPL(usb_block_urb); /** - * usb_kill_anchored_urbs - cancel transfer requests en masse + * usb_kill_anchored_urbs - kill all URBs associated with an anchor * @anchor: anchor the requests are bound to * - * this allows all outstanding URBs to be killed starting - * from the back of the queue + * This kills all outstanding URBs starting from the back of the queue, + * with guarantee that no completer callbacks will take place from the + * anchor after this function returns. * * This routine should not be called by a driver after its disconnect * method has returned. @@ -779,20 +780,26 @@ EXPORT_SYMBOL_GPL(usb_block_urb); void usb_kill_anchored_urbs(struct usb_anchor *anchor) { struct urb *victim; + int surely_empty; - spin_lock_irq(&anchor->lock); - while (!list_empty(&anchor->urb_list)) { - victim = list_entry(anchor->urb_list.prev, struct urb, - anchor_list); - /* we must make sure the URB isn't freed before we kill it*/ - usb_get_urb(victim); - spin_unlock_irq(&anchor->lock); - /* this will unanchor the URB */ - usb_kill_urb(victim); - usb_put_urb(victim); + do { spin_lock_irq(&anchor->lock); - } - spin_unlock_irq(&anchor->lock); + while (!list_empty(&anchor->urb_list)) { + victim = list_entry(anchor->urb_list.prev, + struct urb, anchor_list); + /* make sure the URB isn't freed before we kill it */ + usb_get_urb(victim); + spin_unlock_irq(&anchor->lock); + /* this will unanchor the URB */ + usb_kill_urb(victim); + usb_put_urb(victim); + spin_lock_irq(&anchor->lock); + } + surely_empty = usb_anchor_check_wakeup(anchor); + + spin_unlock_irq(&anchor->lock); + cpu_relax(); + } while (!surely_empty); } EXPORT_SYMBOL_GPL(usb_kill_anchored_urbs); @@ -811,21 +818,27 @@ EXPORT_SYMBOL_GPL(usb_kill_anchored_urbs); void usb_poison_anchored_urbs(struct usb_anchor *anchor) { struct urb *victim; + int surely_empty; - spin_lock_irq(&anchor->lock); - anchor->poisoned = 1; - while (!list_empty(&anchor->urb_list)) { - victim = list_entry(anchor->urb_list.prev, struct urb, - anchor_list); - /* we must make sure the URB isn't freed before we kill it*/ - usb_get_urb(victim); - spin_unlock_irq(&anchor->lock); - /* this will unanchor the URB */ - usb_poison_urb(victim); - usb_put_urb(victim); + do { spin_lock_irq(&anchor->lock); - } - spin_unlock_irq(&anchor->lock); + anchor->poisoned = 1; + while (!list_empty(&anchor->urb_list)) { + victim = list_entry(anchor->urb_list.prev, + struct urb, anchor_list); + /* make sure the URB isn't freed before we kill it */ + usb_get_urb(victim); + spin_unlock_irq(&anchor->lock); + /* this will unanchor the URB */ + usb_poison_urb(victim); + usb_put_urb(victim); + spin_lock_irq(&anchor->lock); + } + surely_empty = usb_anchor_check_wakeup(anchor); + + spin_unlock_irq(&anchor->lock); + cpu_relax(); + } while (!surely_empty); } EXPORT_SYMBOL_GPL(usb_poison_anchored_urbs); @@ -965,14 +978,20 @@ void usb_scuttle_anchored_urbs(struct usb_anchor *anchor) { struct urb *victim; unsigned long flags; + int surely_empty; + + do { + spin_lock_irqsave(&anchor->lock, flags); + while (!list_empty(&anchor->urb_list)) { + victim = list_entry(anchor->urb_list.prev, + struct urb, anchor_list); + __usb_unanchor_urb(victim, anchor); + } + surely_empty = usb_anchor_check_wakeup(anchor); - spin_lock_irqsave(&anchor->lock, flags); - while (!list_empty(&anchor->urb_list)) { - victim = list_entry(anchor->urb_list.prev, struct urb, - anchor_list); - __usb_unanchor_urb(victim, anchor); - } - spin_unlock_irqrestore(&anchor->lock, flags); + spin_unlock_irqrestore(&anchor->lock, flags); + cpu_relax(); + } while (!surely_empty); } EXPORT_SYMBOL_GPL(usb_scuttle_anchored_urbs); diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 6b2f11544283..462a00c749b8 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -31,6 +31,9 @@ extern void usb_deauthorize_interface(struct usb_interface *); extern void usb_authorize_interface(struct usb_interface *); extern void usb_detect_quirks(struct usb_device *udev); extern void usb_detect_interface_quirks(struct usb_device *udev); +extern bool usb_endpoint_is_blacklisted(struct usb_device *udev, + struct usb_host_interface *intf, + struct usb_endpoint_descriptor *epd); extern int usb_remove_device(struct usb_device *udev); extern int usb_get_device_descriptor(struct usb_device *dev, diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index a899d47c2a7c..ecc4d09ea704 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -144,6 +144,7 @@ struct dwc2_hsotg_req; * @lock: State lock to protect contents of endpoint. * @dir_in: Set to true if this endpoint is of the IN direction, which * means that it is sending data to the Host. + * @map_dir: Set to the value of dir_in when the DMA buffer is mapped. * @index: The index for the endpoint registers. * @mc: Multi Count - number of transactions per microframe * @interval - Interval for periodic endpoints @@ -185,6 +186,7 @@ struct dwc2_hsotg_ep { unsigned short fifo_index; unsigned char dir_in; + unsigned char map_dir; unsigned char index; unsigned char mc; u16 interval; diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index e5ad717cba22..ab5cde515b1d 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -289,7 +289,7 @@ static void dwc2_hsotg_unmap_dma(struct dwc2_hsotg *hsotg, if (hs_req->req.length == 0) return; - usb_gadget_unmap_request(&hsotg->gadget, req, hs_ep->dir_in); + usb_gadget_unmap_request(&hsotg->gadget, req, hs_ep->map_dir); } /** @@ -707,6 +707,7 @@ static int dwc2_hsotg_map_dma(struct dwc2_hsotg *hsotg, if (hs_req->req.length == 0) return 0; + hs_ep->map_dir = hs_ep->dir_in; ret = usb_gadget_map_request(&hsotg->gadget, req, hs_ep->dir_in); if (ret) goto dma_error; @@ -871,7 +872,6 @@ static void dwc2_hsotg_complete_oursetup(struct usb_ep *ep, static struct dwc2_hsotg_ep *ep_from_windex(struct dwc2_hsotg *hsotg, u32 windex) { - struct dwc2_hsotg_ep *ep; int dir = (windex & USB_DIR_IN) ? 1 : 0; int idx = windex & 0x7F; @@ -881,12 +881,7 @@ static struct dwc2_hsotg_ep *ep_from_windex(struct dwc2_hsotg *hsotg, if (idx > hsotg->num_of_eps) return NULL; - ep = index_to_ep(hsotg, idx, dir); - - if (idx && ep->dir_in != dir) - return NULL; - - return ep; + return index_to_ep(hsotg, idx, dir); } /** diff --git a/drivers/usb/dwc2/hcd_intr.c b/drivers/usb/dwc2/hcd_intr.c index 51866f3f2052..9c030e0033fe 100644 --- a/drivers/usb/dwc2/hcd_intr.c +++ b/drivers/usb/dwc2/hcd_intr.c @@ -461,7 +461,7 @@ static int dwc2_update_urb_state(struct dwc2_hsotg *hsotg, &short_read); if (urb->actual_length + xfer_length > urb->length) { - dev_warn(hsotg->dev, "%s(): trimming xfer length\n", __func__); + dev_dbg(hsotg->dev, "%s(): trimming xfer length\n", __func__); xfer_length = urb->length - urb->actual_length; } @@ -1915,6 +1915,18 @@ error: qtd->error_count++; dwc2_update_urb_state_abn(hsotg, chan, chnum, qtd->urb, qtd, DWC2_HC_XFER_XACT_ERR); + /* + * We can get here after a completed transaction + * (urb->actual_length >= urb->length) which was not reported + * as completed. If that is the case, and we do not abort + * the transfer, a transfer of size 0 will be enqueued + * subsequently. If urb->actual_length is not DMA-aligned, + * the buffer will then point to an unaligned address, and + * the resulting behavior is undefined. Bail out in that + * situation. + */ + if (qtd->urb->actual_length >= qtd->urb->length) + qtd->error_count = 3; dwc2_hcd_save_data_toggle(hsotg, chan, chnum, qtd); dwc2_halt_channel(hsotg, chan, qtd, DWC2_HC_XFER_XACT_ERR); } diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index f13e9e9fb834..ca631fea59e0 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -331,6 +331,9 @@ static struct dwc3_ep *dwc3_wIndex_to_dep(struct dwc3 *dwc, __le16 wIndex_le) epnum |= 1; dep = dwc->eps[epnum]; + if (dep == NULL) + return NULL; + if (dep->flags & DWC3_EP_ENABLED) return dep; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 5e015631413c..34ac8d71d7c8 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -521,8 +521,23 @@ static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep, params.param0 |= DWC3_DEPCFG_FIFO_NUMBER(dep->number >> 1); if (desc->bInterval) { - params.param1 |= DWC3_DEPCFG_BINTERVAL_M1(desc->bInterval - 1); - dep->interval = 1 << (desc->bInterval - 1); + u8 bInterval_m1; + + /* + * Valid range for DEPCFG.bInterval_m1 is from 0 to 13, and it + * must be set to 0 when the controller operates in full-speed. + */ + bInterval_m1 = min_t(u8, desc->bInterval - 1, 13); + if (dwc->gadget.speed == USB_SPEED_FULL) + bInterval_m1 = 0; + + if (usb_endpoint_type(desc) == USB_ENDPOINT_XFER_INT && + dwc->gadget.speed == USB_SPEED_FULL) + dep->interval = desc->bInterval; + else + dep->interval = 1 << (desc->bInterval - 1); + + params.param1 |= DWC3_DEPCFG_BINTERVAL_M1(bInterval_m1); } return dwc3_send_gadget_ep_cmd(dwc, dep->number, diff --git a/drivers/usb/dwc3/ulpi.c b/drivers/usb/dwc3/ulpi.c index ec004c6d76f2..44f1a496633c 100644 --- a/drivers/usb/dwc3/ulpi.c +++ b/drivers/usb/dwc3/ulpi.c @@ -10,6 +10,8 @@ * published by the Free Software Foundation. */ +#include <linux/delay.h> +#include <linux/time64.h> #include <linux/ulpi/regs.h> #include "core.h" @@ -20,12 +22,22 @@ DWC3_GUSB2PHYACC_ADDR(ULPI_ACCESS_EXTENDED) | \ DWC3_GUSB2PHYACC_EXTEND_ADDR(a) : DWC3_GUSB2PHYACC_ADDR(a)) -static int dwc3_ulpi_busyloop(struct dwc3 *dwc) +#define DWC3_ULPI_BASE_DELAY DIV_ROUND_UP(NSEC_PER_SEC, 60000000L) + +static int dwc3_ulpi_busyloop(struct dwc3 *dwc, u8 addr, bool read) { - unsigned count = 1000; + unsigned long ns = 5L * DWC3_ULPI_BASE_DELAY; + unsigned int count = 1000; u32 reg; + if (addr >= ULPI_EXT_VENDOR_SPECIFIC) + ns += DWC3_ULPI_BASE_DELAY; + + if (read) + ns += DWC3_ULPI_BASE_DELAY; + while (count--) { + ndelay(ns); reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYACC(0)); if (!(reg & DWC3_GUSB2PHYACC_BUSY)) return 0; @@ -44,7 +56,7 @@ static int dwc3_ulpi_read(struct ulpi_ops *ops, u8 addr) reg = DWC3_GUSB2PHYACC_NEWREGREQ | DWC3_ULPI_ADDR(addr); dwc3_writel(dwc->regs, DWC3_GUSB2PHYACC(0), reg); - ret = dwc3_ulpi_busyloop(dwc); + ret = dwc3_ulpi_busyloop(dwc, addr, true); if (ret) return ret; @@ -62,7 +74,7 @@ static int dwc3_ulpi_write(struct ulpi_ops *ops, u8 addr, u8 val) reg |= DWC3_GUSB2PHYACC_WRITE | val; dwc3_writel(dwc->regs, DWC3_GUSB2PHYACC(0), reg); - return dwc3_ulpi_busyloop(dwc); + return dwc3_ulpi_busyloop(dwc, addr, false); } static struct ulpi_ops dwc3_ulpi_ops = { diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 33834aa09ed4..2b1b92b3935b 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -267,6 +267,7 @@ config USB_CONFIGFS_NCM depends on NET select USB_U_ETHER select USB_F_NCM + select CRC32 help NCM is an advanced protocol for Ethernet encapsulation, allows grouping of several ethernet frames into one USB transfer and @@ -316,6 +317,7 @@ config USB_CONFIGFS_EEM depends on NET select USB_U_ETHER select USB_F_EEM + select CRC32 help CDC EEM is a newer USB standard that is somewhat simpler than CDC ECM and therefore can be supported by more hardware. Technically ECM and diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 10f8fde7d6a6..bb72d55a58b5 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -293,8 +293,11 @@ int usb_function_deactivate(struct usb_function *function) spin_lock_irqsave(&cdev->lock, flags); - if (cdev->deactivations == 0) + if (cdev->deactivations == 0) { + spin_unlock_irqrestore(&cdev->lock, flags); status = usb_gadget_deactivate(cdev->gadget); + spin_lock_irqsave(&cdev->lock, flags); + } if (status == 0) cdev->deactivations++; @@ -325,8 +328,11 @@ int usb_function_activate(struct usb_function *function) status = -EINVAL; else { cdev->deactivations--; - if (cdev->deactivations == 0) + if (cdev->deactivations == 0) { + spin_unlock_irqrestore(&cdev->lock, flags); status = usb_gadget_activate(cdev->gadget); + spin_lock_irqsave(&cdev->lock, flags); + } } spin_unlock_irqrestore(&cdev->lock, flags); @@ -927,7 +933,7 @@ static void collect_langs(struct usb_gadget_strings **sp, __le16 *buf) while (*sp) { s = *sp; language = cpu_to_le16(s->language); - for (tmp = buf; *tmp && tmp < &buf[126]; tmp++) { + for (tmp = buf; *tmp && tmp < &buf[USB_MAX_STRING_LEN]; tmp++) { if (*tmp == language) goto repeat; } @@ -1002,7 +1008,7 @@ static int get_string(struct usb_composite_dev *cdev, collect_langs(sp, s->wData); } - for (len = 0; len <= 126 && s->wData[len]; len++) + for (len = 0; len <= USB_MAX_STRING_LEN && s->wData[len]; len++) continue; if (!len) return -EINVAL; diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 8c7a8dc0c31d..0201f14e9431 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -111,21 +111,27 @@ struct gadget_config_name { struct list_head list; }; +#define USB_MAX_STRING_WITH_NULL_LEN (USB_MAX_STRING_LEN+1) + static int usb_string_copy(const char *s, char **s_copy) { int ret; char *str; char *copy = *s_copy; ret = strlen(s); - if (ret > 126) + if (ret > USB_MAX_STRING_LEN) return -EOVERFLOW; - str = kstrdup(s, GFP_KERNEL); - if (!str) - return -ENOMEM; + if (copy) { + str = copy; + } else { + str = kmalloc(USB_MAX_STRING_WITH_NULL_LEN, GFP_KERNEL); + if (!str) + return -ENOMEM; + } + strcpy(str, s); if (str[ret - 1] == '\n') str[ret - 1] = '\0'; - kfree(copy); *s_copy = str; return 0; } @@ -1225,9 +1231,9 @@ static void purge_configs_funcs(struct gadget_info *gi) cfg = container_of(c, struct config_usb_cfg, c); - list_for_each_entry_safe(f, tmp, &c->functions, list) { + list_for_each_entry_safe_reverse(f, tmp, &c->functions, list) { - list_move_tail(&f->list, &cfg->func_list); + list_move(&f->list, &cfg->func_list); if (f->unbind) { dev_err(&gi->cdev.gadget->dev, "unbind function" " '%s'/%p\n", f->name, f); @@ -1511,7 +1517,7 @@ static const struct usb_gadget_driver configfs_driver_template = { .suspend = configfs_composite_suspend, .resume = configfs_composite_resume, - .max_speed = USB_SPEED_SUPER, + .max_speed = USB_SPEED_SUPER_PLUS, .driver = { .owner = THIS_MODULE, .name = "configfs-gadget", @@ -1547,7 +1553,7 @@ static struct config_group *gadgets_make( gi->composite.unbind = configfs_do_nothing; gi->composite.suspend = NULL; gi->composite.resume = NULL; - gi->composite.max_speed = USB_SPEED_SUPER; + gi->composite.max_speed = USB_SPEED_SUPER_PLUS; spin_lock_init(&gi->spinlock); mutex_init(&gi->lock); diff --git a/drivers/usb/gadget/function/f_eem.c b/drivers/usb/gadget/function/f_eem.c index cad35a502d3f..9411c5f953da 100644 --- a/drivers/usb/gadget/function/f_eem.c +++ b/drivers/usb/gadget/function/f_eem.c @@ -498,7 +498,7 @@ static int eem_unwrap(struct gether *port, skb2 = skb_clone(skb, GFP_ATOMIC); if (unlikely(!skb2)) { DBG(cdev, "unable to unframe EEM packet\n"); - continue; + goto next; } skb_trim(skb2, len - ETH_FCS_LEN); @@ -509,7 +509,7 @@ static int eem_unwrap(struct gether *port, if (unlikely(!skb3)) { DBG(cdev, "unable to realign EEM packet\n"); dev_kfree_skb_any(skb2); - continue; + goto next; } dev_kfree_skb_any(skb2); skb_queue_tail(list, skb3); diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index f5f4a9927417..c045d4176a9c 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -1034,7 +1034,7 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code, case FUNCTIONFS_ENDPOINT_DESC: { int desc_idx; - struct usb_endpoint_descriptor *desc; + struct usb_endpoint_descriptor desc1, *desc; switch (epfile->ffs->gadget->speed) { case USB_SPEED_SUPER: @@ -1046,10 +1046,12 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code, default: desc_idx = 0; } + desc = epfile->ep->descs[desc_idx]; + memcpy(&desc1, desc, desc->bLength); spin_unlock_irq(&epfile->ffs->eps_lock); - ret = copy_to_user((void *)value, desc, sizeof(*desc)); + ret = copy_to_user((void *)value, &desc1, desc1.bLength); if (ret) ret = -EFAULT; return ret; @@ -2339,6 +2341,7 @@ static int __ffs_data_got_strings(struct ffs_data *ffs, do { /* lang_count > 0 so we can use do-while */ unsigned needed = needed_count; + u32 str_per_lang = str_count; if (unlikely(len < 3)) goto error_free; @@ -2374,7 +2377,7 @@ static int __ffs_data_got_strings(struct ffs_data *ffs, data += length + 1; len -= length + 1; - } while (--str_count); + } while (--str_per_lang); s->id = 0; /* terminator */ s->s = NULL; diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c index 16908737bff1..93086efef5a8 100644 --- a/drivers/usb/gadget/function/f_ncm.c +++ b/drivers/usb/gadget/function/f_ncm.c @@ -514,7 +514,7 @@ static void ncm_do_notify(struct f_ncm *ncm) data[0] = cpu_to_le32(ncm_bitrate(cdev->gadget)); data[1] = data[0]; - DBG(cdev, "notify speed %d\n", ncm_bitrate(cdev->gadget)); + DBG(cdev, "notify speed %u\n", ncm_bitrate(cdev->gadget)); ncm->notify_state = NCM_NOTIFY_CONNECT; break; } diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index 69afc17fca38..8e32b41fc129 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -35,6 +35,7 @@ #include <linux/types.h> #include <linux/ctype.h> #include <linux/cdev.h> +#include <linux/kref.h> #include <asm/byteorder.h> #include <linux/io.h> @@ -69,7 +70,7 @@ struct printer_dev { struct usb_gadget *gadget; s8 interface; struct usb_ep *in_ep, *out_ep; - + struct kref kref; struct list_head rx_reqs; /* List of free RX structs */ struct list_head rx_reqs_active; /* List of Active RX xfers */ struct list_head rx_buffers; /* List of completed xfers */ @@ -223,6 +224,13 @@ static inline struct usb_endpoint_descriptor *ep_desc(struct usb_gadget *gadget, /*-------------------------------------------------------------------------*/ +static void printer_dev_free(struct kref *kref) +{ + struct printer_dev *dev = container_of(kref, struct printer_dev, kref); + + kfree(dev); +} + static struct usb_request * printer_req_alloc(struct usb_ep *ep, unsigned len, gfp_t gfp_flags) { @@ -353,6 +361,7 @@ printer_open(struct inode *inode, struct file *fd) spin_unlock_irqrestore(&dev->lock, flags); + kref_get(&dev->kref); DBG(dev, "printer_open returned %x\n", ret); return ret; } @@ -370,6 +379,7 @@ printer_close(struct inode *inode, struct file *fd) dev->printer_status &= ~PRINTER_SELECTED; spin_unlock_irqrestore(&dev->lock, flags); + kref_put(&dev->kref, printer_dev_free); DBG(dev, "printer_close\n"); return 0; @@ -1106,6 +1116,7 @@ fail_tx_reqs: printer_req_free(dev->in_ep, req); } + usb_free_all_descriptors(f); return ret; } @@ -1316,7 +1327,8 @@ static void gprinter_free(struct usb_function *f) struct f_printer_opts *opts; opts = container_of(f->fi, struct f_printer_opts, func_inst); - kfree(dev); + + kref_put(&dev->kref, printer_dev_free); mutex_lock(&opts->lock); --opts->refcnt; mutex_unlock(&opts->lock); @@ -1385,6 +1397,7 @@ static struct usb_function *gprinter_alloc(struct usb_function_instance *fi) return ERR_PTR(-ENOMEM); } + kref_init(&dev->kref); ++opts->refcnt; dev->minor = opts->minor; dev->pnp_string = opts->pnp_string; diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c index e281af92e084..8482a8a37dde 100644 --- a/drivers/usb/gadget/function/f_rndis.c +++ b/drivers/usb/gadget/function/f_rndis.c @@ -91,8 +91,10 @@ static inline struct f_rndis *func_to_rndis(struct usb_function *f) /* peak (theoretical) bulk transfer rate in bits-per-second */ static unsigned int bitrate(struct usb_gadget *g) { + if (gadget_is_superspeed(g) && g->speed >= USB_SPEED_SUPER_PLUS) + return 4250000000U; if (gadget_is_superspeed(g) && g->speed == USB_SPEED_SUPER) - return 13 * 1024 * 8 * 1000 * 8; + return 3750000000U; else if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH) return 13 * 512 * 8 * 1000 * 8; else diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index 24c8fbda1a54..6903d02a933f 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -766,7 +766,7 @@ static struct usb_endpoint_descriptor fs_epout_desc = { .bEndpointAddress = USB_DIR_OUT, .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, - .wMaxPacketSize = cpu_to_le16(1023), + /* .wMaxPacketSize = DYNAMIC */ .bInterval = 1, }; @@ -775,7 +775,7 @@ static struct usb_endpoint_descriptor hs_epout_desc = { .bDescriptorType = USB_DT_ENDPOINT, .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, - .wMaxPacketSize = cpu_to_le16(1024), + /* .wMaxPacketSize = DYNAMIC */ .bInterval = 4, }; @@ -843,7 +843,7 @@ static struct usb_endpoint_descriptor fs_epin_desc = { .bEndpointAddress = USB_DIR_IN, .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, - .wMaxPacketSize = cpu_to_le16(1023), + /* .wMaxPacketSize = DYNAMIC */ .bInterval = 1, }; @@ -852,7 +852,7 @@ static struct usb_endpoint_descriptor hs_epin_desc = { .bDescriptorType = USB_DT_ENDPOINT, .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, - .wMaxPacketSize = cpu_to_le16(1024), + /* .wMaxPacketSize = DYNAMIC */ .bInterval = 4, }; @@ -963,12 +963,28 @@ free_ep(struct uac2_rtd_params *prm, struct usb_ep *ep) "%s:%d Error!\n", __func__, __LINE__); } -static void set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts, +static int set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts, struct usb_endpoint_descriptor *ep_desc, - unsigned int factor, bool is_playback) + enum usb_device_speed speed, bool is_playback) { int chmask, srate, ssize; - u16 max_packet_size; + u16 max_size_bw, max_size_ep; + unsigned int factor; + + switch (speed) { + case USB_SPEED_FULL: + max_size_ep = 1023; + factor = 1000; + break; + + case USB_SPEED_HIGH: + max_size_ep = 1024; + factor = 8000; + break; + + default: + return -EINVAL; + } if (is_playback) { chmask = uac2_opts->p_chmask; @@ -980,10 +996,12 @@ static void set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts, ssize = uac2_opts->c_ssize; } - max_packet_size = num_channels(chmask) * ssize * - DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1))); - ep_desc->wMaxPacketSize = cpu_to_le16(min_t(u16, max_packet_size, - le16_to_cpu(ep_desc->wMaxPacketSize))); + max_size_bw = num_channels(chmask) * ssize * + ((srate / (factor / (1 << (ep_desc->bInterval - 1)))) + 1); + ep_desc->wMaxPacketSize = cpu_to_le16(min_t(u16, max_size_bw, + max_size_ep)); + + return 0; } static int @@ -1082,10 +1100,33 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) uac2->c_prm.uac2 = uac2; /* Calculate wMaxPacketSize according to audio bandwidth */ - set_ep_max_packet_size(uac2_opts, &fs_epin_desc, 1000, true); - set_ep_max_packet_size(uac2_opts, &fs_epout_desc, 1000, false); - set_ep_max_packet_size(uac2_opts, &hs_epin_desc, 8000, true); - set_ep_max_packet_size(uac2_opts, &hs_epout_desc, 8000, false); + ret = set_ep_max_packet_size(uac2_opts, &fs_epin_desc, USB_SPEED_FULL, + true); + if (ret < 0) { + dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); + return ret; + } + + ret = set_ep_max_packet_size(uac2_opts, &fs_epout_desc, USB_SPEED_FULL, + false); + if (ret < 0) { + dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); + return ret; + } + + ret = set_ep_max_packet_size(uac2_opts, &hs_epin_desc, USB_SPEED_HIGH, + true); + if (ret < 0) { + dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); + return ret; + } + + ret = set_ep_max_packet_size(uac2_opts, &hs_epout_desc, USB_SPEED_HIGH, + false); + if (ret < 0) { + dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); + return ret; + } hs_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress; hs_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress; diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c index f8a1881609a2..89da34ef7b3f 100644 --- a/drivers/usb/gadget/function/f_uvc.c +++ b/drivers/usb/gadget/function/f_uvc.c @@ -625,7 +625,12 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f) uvc_hs_streaming_ep.wMaxPacketSize = cpu_to_le16(max_packet_size | ((max_packet_mult - 1) << 11)); - uvc_hs_streaming_ep.bInterval = opts->streaming_interval; + + /* A high-bandwidth endpoint must specify a bInterval value of 1 */ + if (max_packet_mult > 1) + uvc_hs_streaming_ep.bInterval = 1; + else + uvc_hs_streaming_ep.bInterval = opts->streaming_interval; uvc_ss_streaming_ep.wMaxPacketSize = cpu_to_le16(max_packet_size); uvc_ss_streaming_ep.bInterval = opts->streaming_interval; diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index e69f20b2a3f4..46c50135ef9f 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -96,7 +96,7 @@ struct eth_dev { static inline int qlen(struct usb_gadget *gadget, unsigned qmult) { if (gadget_is_dualspeed(gadget) && (gadget->speed == USB_SPEED_HIGH || - gadget->speed == USB_SPEED_SUPER)) + gadget->speed >= USB_SPEED_SUPER)) return qmult * DEFAULT_QLEN; else return DEFAULT_QLEN; diff --git a/drivers/usb/gadget/legacy/acm_ms.c b/drivers/usb/gadget/legacy/acm_ms.c index 64b2cbb0bc6b..4fe499cf5b77 100644 --- a/drivers/usb/gadget/legacy/acm_ms.c +++ b/drivers/usb/gadget/legacy/acm_ms.c @@ -207,8 +207,10 @@ static int acm_ms_bind(struct usb_composite_dev *cdev) struct usb_descriptor_header *usb_desc; usb_desc = usb_otg_descriptor_alloc(gadget); - if (!usb_desc) + if (!usb_desc) { + status = -ENOMEM; goto fail_string_ids; + } usb_otg_descriptor_init(gadget, usb_desc); otg_desc[0] = usb_desc; otg_desc[1] = NULL; diff --git a/drivers/usb/gadget/legacy/ether.c b/drivers/usb/gadget/legacy/ether.c index 31e9160223e9..0b7229678b53 100644 --- a/drivers/usb/gadget/legacy/ether.c +++ b/drivers/usb/gadget/legacy/ether.c @@ -407,8 +407,10 @@ static int eth_bind(struct usb_composite_dev *cdev) struct usb_descriptor_header *usb_desc; usb_desc = usb_otg_descriptor_alloc(gadget); - if (!usb_desc) + if (!usb_desc) { + status = -ENOMEM; goto fail1; + } usb_otg_descriptor_init(gadget, usb_desc); otg_desc[0] = usb_desc; otg_desc[1] = NULL; diff --git a/drivers/usb/gadget/udc/bdc/Kconfig b/drivers/usb/gadget/udc/bdc/Kconfig index 0d7b8c9f72fd..778df4badf88 100644 --- a/drivers/usb/gadget/udc/bdc/Kconfig +++ b/drivers/usb/gadget/udc/bdc/Kconfig @@ -14,7 +14,7 @@ if USB_BDC_UDC comment "Platform Support" config USB_BDC_PCI tristate "BDC support for PCIe based platforms" - depends on PCI + depends on PCI && BROKEN default USB_BDC_UDC help Enable support for platforms which have BDC connected through PCIe, such as Lego3 FPGA platform. diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c index 0321b9ce9faf..c468c64bc3a0 100644 --- a/drivers/usb/gadget/udc/dummy_hcd.c +++ b/drivers/usb/gadget/udc/dummy_hcd.c @@ -920,6 +920,21 @@ static int dummy_pullup(struct usb_gadget *_gadget, int value) spin_lock_irqsave(&dum->lock, flags); dum->pullup = (value != 0); set_link_state(dum_hcd); + if (value == 0) { + /* + * Emulate synchronize_irq(): wait for callbacks to finish. + * This seems to be the best place to emulate the call to + * synchronize_irq() that's in usb_gadget_remove_driver(). + * Doing it in dummy_udc_stop() would be too late since it + * is called after the unbind callback and unbind shouldn't + * be invoked until all the other callbacks are finished. + */ + while (dum->callback_usage > 0) { + spin_unlock_irqrestore(&dum->lock, flags); + usleep_range(1000, 2000); + spin_lock_irqsave(&dum->lock, flags); + } + } spin_unlock_irqrestore(&dum->lock, flags); usb_hcd_poll_rh_status(dummy_hcd_to_hcd(dum_hcd)); @@ -1000,14 +1015,6 @@ static int dummy_udc_stop(struct usb_gadget *g) spin_lock_irq(&dum->lock); dum->ints_enabled = 0; stop_activity(dum); - - /* emulate synchronize_irq(): wait for callbacks to finish */ - while (dum->callback_usage > 0) { - spin_unlock_irq(&dum->lock); - usleep_range(1000, 2000); - spin_lock_irq(&dum->lock); - } - dum->driver = NULL; spin_unlock_irq(&dum->lock); @@ -2741,7 +2748,7 @@ static int __init init(void) { int retval = -ENOMEM; int i; - struct dummy *dum[MAX_NUM_UDC]; + struct dummy *dum[MAX_NUM_UDC] = {}; if (usb_disabled()) return -ENODEV; diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c index 76e991557116..9e102ba9cf66 100644 --- a/drivers/usb/gadget/udc/fotg210-udc.c +++ b/drivers/usb/gadget/udc/fotg210-udc.c @@ -340,15 +340,16 @@ static void fotg210_start_dma(struct fotg210_ep *ep, } else { buffer = req->req.buf + req->req.actual; length = ioread32(ep->fotg210->reg + - FOTG210_FIBCR(ep->epnum - 1)); - length &= FIBCR_BCFX; + FOTG210_FIBCR(ep->epnum - 1)) & FIBCR_BCFX; + if (length > req->req.length - req->req.actual) + length = req->req.length - req->req.actual; } } else { buffer = req->req.buf + req->req.actual; if (req->req.length - req->req.actual > ep->ep.maxpacket) length = ep->ep.maxpacket; else - length = req->req.length; + length = req->req.length - req->req.actual; } d = dma_map_single(NULL, buffer, length, @@ -385,8 +386,7 @@ static void fotg210_ep0_queue(struct fotg210_ep *ep, } if (ep->dir_in) { /* if IN */ fotg210_start_dma(ep, req); - if ((req->req.length == req->req.actual) || - (req->req.actual < ep->ep.maxpacket)) + if (req->req.length == req->req.actual) fotg210_done(ep, req, 0); } else { /* OUT */ u32 value = ioread32(ep->fotg210->reg + FOTG210_DMISGR0); @@ -827,7 +827,7 @@ static void fotg210_ep0in(struct fotg210_udc *fotg210) if (req->req.length) fotg210_start_dma(ep, req); - if ((req->req.length - req->req.actual) < ep->ep.maxpacket) + if (req->req.actual == req->req.length) fotg210_done(ep, req, 0); } else { fotg210_set_cxdone(fotg210); @@ -856,12 +856,16 @@ static void fotg210_out_fifo_handler(struct fotg210_ep *ep) { struct fotg210_request *req = list_entry(ep->queue.next, struct fotg210_request, queue); + int disgr1 = ioread32(ep->fotg210->reg + FOTG210_DISGR1); fotg210_start_dma(ep, req); - /* finish out transfer */ + /* Complete the request when it's full or a short packet arrived. + * Like other drivers, short_not_ok isn't handled. + */ + if (req->req.length == req->req.actual || - req->req.actual < ep->ep.maxpacket) + (disgr1 & DISGR1_SPK_INT(ep->epnum - 1))) fotg210_done(ep, req, 0); } @@ -1034,6 +1038,12 @@ static void fotg210_init(struct fotg210_udc *fotg210) value &= ~DMCR_GLINT_EN; iowrite32(value, fotg210->reg + FOTG210_DMCR); + /* enable only grp2 irqs we handle */ + iowrite32(~(DISGR2_DMA_ERROR | DISGR2_RX0BYTE_INT | DISGR2_TX0BYTE_INT + | DISGR2_ISO_SEQ_ABORT_INT | DISGR2_ISO_SEQ_ERR_INT + | DISGR2_RESM_INT | DISGR2_SUSP_INT | DISGR2_USBRST_INT), + fotg210->reg + FOTG210_DMISGR2); + /* disable all fifo interrupt */ iowrite32(~(u32)0, fotg210->reg + FOTG210_DMISGR1); diff --git a/drivers/usb/gadget/udc/goku_udc.c b/drivers/usb/gadget/udc/goku_udc.c index 1fdfec14a3ba..5d4616061309 100644 --- a/drivers/usb/gadget/udc/goku_udc.c +++ b/drivers/usb/gadget/udc/goku_udc.c @@ -1773,6 +1773,7 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto err; } + pci_set_drvdata(pdev, dev); spin_lock_init(&dev->lock); dev->pdev = pdev; dev->gadget.ops = &goku_ops; @@ -1806,7 +1807,6 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id) } dev->regs = (struct goku_udc_regs __iomem *) base; - pci_set_drvdata(pdev, dev); INFO(dev, "%s\n", driver_desc); INFO(dev, "version: " DRIVER_VERSION " %s\n", dmastr()); INFO(dev, "irq %d, pci mem %p\n", pdev->irq, base); diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index 3fd603494e86..5301de1c5d31 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -615,18 +615,22 @@ static void pch_udc_reconnect(struct pch_udc_dev *dev) static inline void pch_udc_vbus_session(struct pch_udc_dev *dev, int is_active) { + unsigned long iflags; + + spin_lock_irqsave(&dev->lock, iflags); if (is_active) { pch_udc_reconnect(dev); dev->vbus_session = 1; } else { if (dev->driver && dev->driver->disconnect) { - spin_lock(&dev->lock); + spin_unlock_irqrestore(&dev->lock, iflags); dev->driver->disconnect(&dev->gadget); - spin_unlock(&dev->lock); + spin_lock_irqsave(&dev->lock, iflags); } pch_udc_set_disconnect(dev); dev->vbus_session = 0; } + spin_unlock_irqrestore(&dev->lock, iflags); } /** @@ -1183,20 +1187,25 @@ static int pch_udc_pcd_selfpowered(struct usb_gadget *gadget, int value) static int pch_udc_pcd_pullup(struct usb_gadget *gadget, int is_on) { struct pch_udc_dev *dev; + unsigned long iflags; if (!gadget) return -EINVAL; + dev = container_of(gadget, struct pch_udc_dev, gadget); + + spin_lock_irqsave(&dev->lock, iflags); if (is_on) { pch_udc_reconnect(dev); } else { if (dev->driver && dev->driver->disconnect) { - spin_lock(&dev->lock); + spin_unlock_irqrestore(&dev->lock, iflags); dev->driver->disconnect(&dev->gadget); - spin_unlock(&dev->lock); + spin_lock_irqsave(&dev->lock, iflags); } pch_udc_set_disconnect(dev); } + spin_unlock_irqrestore(&dev->lock, iflags); return 0; } @@ -1788,7 +1797,7 @@ static struct usb_request *pch_udc_alloc_request(struct usb_ep *usbep, } /* prevent from using desc. - set HOST BUSY */ dma_desc->status |= PCH_UDC_BS_HST_BSY; - dma_desc->dataptr = cpu_to_le32(DMA_ADDR_INVALID); + dma_desc->dataptr = lower_32_bits(DMA_ADDR_INVALID); req->td_data = dma_desc; req->td_data_last = dma_desc; req->chain_len = 1; @@ -2332,6 +2341,21 @@ static void pch_udc_svc_data_out(struct pch_udc_dev *dev, int ep_num) pch_udc_set_dma(dev, DMA_DIR_RX); } +static int pch_udc_gadget_setup(struct pch_udc_dev *dev) + __must_hold(&dev->lock) +{ + int rc; + + /* In some cases we can get an interrupt before driver gets setup */ + if (!dev->driver) + return -ESHUTDOWN; + + spin_unlock(&dev->lock); + rc = dev->driver->setup(&dev->gadget, &dev->setup_data); + spin_lock(&dev->lock); + return rc; +} + /** * pch_udc_svc_control_in() - Handle Control IN endpoint interrupts * @dev: Reference to the device structure @@ -2403,15 +2427,12 @@ static void pch_udc_svc_control_out(struct pch_udc_dev *dev) dev->gadget.ep0 = &dev->ep[UDC_EP0IN_IDX].ep; else /* OUT */ dev->gadget.ep0 = &ep->ep; - spin_lock(&dev->lock); /* If Mass storage Reset */ if ((dev->setup_data.bRequestType == 0x21) && (dev->setup_data.bRequest == 0xFF)) dev->prot_stall = 0; /* call gadget with setup data received */ - setup_supported = dev->driver->setup(&dev->gadget, - &dev->setup_data); - spin_unlock(&dev->lock); + setup_supported = pch_udc_gadget_setup(dev); if (dev->setup_data.bRequestType & USB_DIR_IN) { ep->td_data->status = (ep->td_data->status & @@ -2664,9 +2685,7 @@ static void pch_udc_svc_intf_interrupt(struct pch_udc_dev *dev) dev->ep[i].halted = 0; } dev->stall = 0; - spin_unlock(&dev->lock); - dev->driver->setup(&dev->gadget, &dev->setup_data); - spin_lock(&dev->lock); + pch_udc_gadget_setup(dev); } /** @@ -2701,9 +2720,7 @@ static void pch_udc_svc_cfg_interrupt(struct pch_udc_dev *dev) dev->stall = 0; /* call gadget zero with setup data received */ - spin_unlock(&dev->lock); - dev->driver->setup(&dev->gadget, &dev->setup_data); - spin_lock(&dev->lock); + pch_udc_gadget_setup(dev); } /** @@ -2986,7 +3003,7 @@ static int init_dma_pools(struct pch_udc_dev *dev) dev->dma_addr = dma_map_single(&dev->pdev->dev, dev->ep0out_buf, UDC_EP0OUT_BUFF_SIZE * 4, DMA_FROM_DEVICE); - return 0; + return dma_mapping_error(&dev->pdev->dev, dev->dma_addr); } static int pch_udc_start(struct usb_gadget *g, diff --git a/drivers/usb/gadget/udc/r8a66597-udc.c b/drivers/usb/gadget/udc/r8a66597-udc.c index e34094647603..4eb8e181763d 100644 --- a/drivers/usb/gadget/udc/r8a66597-udc.c +++ b/drivers/usb/gadget/udc/r8a66597-udc.c @@ -1867,6 +1867,8 @@ static int r8a66597_probe(struct platform_device *pdev) return PTR_ERR(reg); ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (!ires) + return -EINVAL; irq = ires->start; irq_trigger = ires->flags & IRQF_TRIGGER_MASK; diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index a6a1678cb927..c6859fdd74bc 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -612,10 +612,13 @@ static ssize_t usb_udc_softconn_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t n) { struct usb_udc *udc = container_of(dev, struct usb_udc, dev); + ssize_t ret; + mutex_lock(&udc_lock); if (!udc->driver) { dev_err(dev, "soft-connect without a gadget driver\n"); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto out; } if (sysfs_streq(buf, "connect")) { @@ -627,10 +630,14 @@ static ssize_t usb_udc_softconn_store(struct device *dev, usb_gadget_udc_stop(udc); } else { dev_err(dev, "unsupported command '%s'\n", buf); - return -EINVAL; + ret = -EINVAL; + goto out; } - return n; + ret = n; +out: + mutex_unlock(&udc_lock); + return ret; } static DEVICE_ATTR(soft_connect, S_IWUSR, NULL, usb_udc_softconn_store); diff --git a/drivers/usb/gadget/usbstring.c b/drivers/usb/gadget/usbstring.c index 73a4dfba0edb..0173a9969b9a 100644 --- a/drivers/usb/gadget/usbstring.c +++ b/drivers/usb/gadget/usbstring.c @@ -59,9 +59,9 @@ usb_gadget_get_string (struct usb_gadget_strings *table, int id, u8 *buf) return -EINVAL; /* string descriptors have length, tag, then UTF16-LE text */ - len = min ((size_t) 126, strlen (s->s)); + len = min((size_t)USB_MAX_STRING_LEN, strlen(s->s)); len = utf8s_to_utf16s(s->s, len, UTF16_LITTLE_ENDIAN, - (wchar_t *) &buf[2], 126); + (wchar_t *) &buf[2], USB_MAX_STRING_LEN); if (len < 0) return -EINVAL; buf [0] = (len + 1) * 2; diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 330e05acf5f7..b9ad19d1b400 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -575,6 +575,7 @@ static int ehci_run (struct usb_hcd *hcd) struct ehci_hcd *ehci = hcd_to_ehci (hcd); u32 temp; u32 hcc_params; + int rc; hcd->uses_new_polling = 1; @@ -630,9 +631,20 @@ static int ehci_run (struct usb_hcd *hcd) down_write(&ehci_cf_port_reset_rwsem); ehci->rh_state = EHCI_RH_RUNNING; ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag); + + /* Wait until HC become operational */ ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */ msleep(5); + rc = ehci_handshake(ehci, &ehci->regs->status, STS_HALT, 0, 100 * 1000); + up_write(&ehci_cf_port_reset_rwsem); + + if (rc) { + ehci_err(ehci, "USB %x.%x, controller refused to start: %d\n", + ((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f), rc); + return rc; + } + ehci->last_periodic_enable = ktime_get_real(); temp = HC_VERSION(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index cccde8217f28..8e0625cc1801 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -237,6 +237,7 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) err_pm_runtime: pm_runtime_put_sync(dev); + pm_runtime_disable(dev); err_phy: for (i = 0; i < omap->nports; i++) { diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 11b3a8c57eab..5dacc3076efd 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -5610,7 +5610,7 @@ static int fotg210_hcd_probe(struct platform_device *pdev) struct usb_hcd *hcd; struct resource *res; int irq; - int retval = -ENODEV; + int retval; struct fotg210_hcd *fotg210; if (usb_disabled()) @@ -5630,7 +5630,7 @@ static int fotg210_hcd_probe(struct platform_device *pdev) hcd = usb_create_hcd(&fotg210_fotg210_hc_driver, dev, dev_name(dev)); if (!hcd) { - dev_err(dev, "failed to create hcd with err %d\n", retval); + dev_err(dev, "failed to create hcd\n"); retval = -ENOMEM; goto fail_create_hcd; } diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 27bd3e49fe8e..570b3fd1f5d0 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -99,7 +99,7 @@ static void io_watchdog_func(unsigned long _ohci); /* Some boards misreport power switching/overcurrent */ -static bool distrust_firmware = 1; +static bool distrust_firmware; module_param (distrust_firmware, bool, 0); MODULE_PARM_DESC (distrust_firmware, "true to distrust firmware power/overcurrent setup"); @@ -663,20 +663,24 @@ retry: /* handle root hub init quirks ... */ val = roothub_a (ohci); - val &= ~(RH_A_PSM | RH_A_OCPM); + /* Configure for per-port over-current protection by default */ + val &= ~RH_A_NOCP; + val |= RH_A_OCPM; if (ohci->flags & OHCI_QUIRK_SUPERIO) { - /* NSC 87560 and maybe others */ + /* NSC 87560 and maybe others. + * Ganged power switching, no over-current protection. + */ val |= RH_A_NOCP; - val &= ~(RH_A_POTPGT | RH_A_NPS); - ohci_writel (ohci, val, &ohci->regs->roothub.a); + val &= ~(RH_A_POTPGT | RH_A_NPS | RH_A_PSM | RH_A_OCPM); } else if ((ohci->flags & OHCI_QUIRK_AMD756) || (ohci->flags & OHCI_QUIRK_HUB_POWER)) { /* hub power always on; required for AMD-756 and some - * Mac platforms. ganged overcurrent reporting, if any. + * Mac platforms. */ val |= RH_A_NPS; - ohci_writel (ohci, val, &ohci->regs->roothub.a); } + ohci_writel(ohci, val, &ohci->regs->roothub.a); + ohci_writel (ohci, RH_HS_LPSC, &ohci->regs->roothub.status); ohci_writel (ohci, (val & RH_A_NPS) ? 0 : RH_B_PPCM, &ohci->regs->roothub.b); diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c index 1f139d82cee0..d1e0d9d4e7a6 100644 --- a/drivers/usb/host/oxu210hp-hcd.c +++ b/drivers/usb/host/oxu210hp-hcd.c @@ -3741,8 +3741,10 @@ static struct usb_hcd *oxu_create(struct platform_device *pdev, oxu->is_otg = otg; ret = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (ret < 0) + if (ret < 0) { + usb_put_hcd(hcd); return ERR_PTR(ret); + } device_wakeup_enable(hcd->self.controller); return hcd; diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index fd2a11473be7..455c59fe32fa 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -1286,11 +1286,10 @@ sl811h_hub_control( goto error; put_unaligned_le32(sl811->port1, buf); -#ifndef VERBOSE - if (*(u16*)(buf+2)) /* only if wPortChange is interesting */ -#endif - dev_dbg(hcd->self.controller, "GetPortStatus %08x\n", - sl811->port1); + if (__is_defined(VERBOSE) || + *(u16*)(buf+2)) /* only if wPortChange is interesting */ + dev_dbg(hcd->self.controller, "GetPortStatus %08x\n", + sl811->port1); break; case SetPortFeature: if (wIndex != 1 || wLength != 0) diff --git a/drivers/usb/host/xhci-ext-caps.h b/drivers/usb/host/xhci-ext-caps.h index 9fe3225e6c61..35ac83e86c94 100644 --- a/drivers/usb/host/xhci-ext-caps.h +++ b/drivers/usb/host/xhci-ext-caps.h @@ -19,8 +19,9 @@ * along with this program; if not, write to the Free Software Foundation, * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -/* Up to 16 ms to halt an HC */ -#define XHCI_MAX_HALT_USEC (16*1000) + +/* HC should halt within 16 ms, but use 32 ms as some hosts take longer */ +#define XHCI_MAX_HALT_USEC (32 * 1000) /* HC not running - set to 1 when run/stop bit is cleared. */ #define XHCI_STS_HALT (1<<0) diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 6891738278bc..74d5975bf98f 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -1400,6 +1400,10 @@ int xhci_bus_suspend(struct usb_hcd *hcd) hcd->state = HC_STATE_SUSPENDED; bus_state->next_statechange = jiffies + msecs_to_jiffies(10); spin_unlock_irqrestore(&xhci->lock, flags); + + if (bus_state->bus_suspended) + usleep_range(5000, 10000); + return 0; } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 536251c6149d..a39b7a49b7cf 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2840,6 +2840,8 @@ static void queue_trb(struct xhci_hcd *xhci, struct xhci_ring *ring, trb->field[0] = cpu_to_le32(field1); trb->field[1] = cpu_to_le32(field2); trb->field[2] = cpu_to_le32(field3); + /* make sure TRB is fully written before giving it to the controller */ + wmb(); trb->field[3] = cpu_to_le32(field4); inc_enq(xhci, ring, more_trbs_coming); } diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 51d84332eb78..b1994b03341f 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1018,6 +1018,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) struct usb_hcd *secondary_hcd; int retval = 0; bool comp_timer_running = false; + bool pending_portevent = false; if (!hcd->state) return 0; @@ -1151,13 +1152,22 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) done: if (retval == 0) { - /* Resume root hubs only when have pending events. */ - if (xhci_pending_portevent(xhci)) { + /* + * Resume roothubs only if there are pending events. + * USB 3 devices resend U3 LFPS wake after a 100ms delay if + * the first wake signalling failed, give it that chance. + */ + pending_portevent = xhci_pending_portevent(xhci); + if (!pending_portevent) { + msleep(120); + pending_portevent = xhci_pending_portevent(xhci); + } + + if (pending_portevent) { usb_hcd_resume_root_hub(xhci->shared_hcd); usb_hcd_resume_root_hub(hcd); } } - /* * If system is subject to the Quirk, Compliance Mode Timer needs to * be re-initialized Always after a system resume. Ports are subject @@ -1292,7 +1302,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci, * we need to issue an evaluate context command and wait on it. */ static int xhci_check_maxpacket(struct xhci_hcd *xhci, unsigned int slot_id, - unsigned int ep_index, struct urb *urb) + unsigned int ep_index, struct urb *urb, gfp_t mem_flags) { struct xhci_container_ctx *out_ctx; struct xhci_input_control_ctx *ctrl_ctx; @@ -1323,7 +1333,7 @@ static int xhci_check_maxpacket(struct xhci_hcd *xhci, unsigned int slot_id, * changes max packet sizes. */ - command = xhci_alloc_command(xhci, false, true, GFP_KERNEL); + command = xhci_alloc_command(xhci, false, true, mem_flags); if (!command) return -ENOMEM; @@ -1430,7 +1440,7 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags) */ if (urb->dev->speed == USB_SPEED_FULL) { ret = xhci_check_maxpacket(xhci, slot_id, - ep_index, urb); + ep_index, urb, mem_flags); if (ret < 0) { xhci_urb_free_priv(urb_priv); urb->hcpriv = NULL; @@ -4428,19 +4438,19 @@ static u16 xhci_calculate_u1_timeout(struct xhci_hcd *xhci, { unsigned long long timeout_ns; + if (xhci->quirks & XHCI_INTEL_HOST) + timeout_ns = xhci_calculate_intel_u1_timeout(udev, desc); + else + timeout_ns = udev->u1_params.sel; + /* Prevent U1 if service interval is shorter than U1 exit latency */ if (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc)) { - if (xhci_service_interval_to_ns(desc) <= udev->u1_params.mel) { + if (xhci_service_interval_to_ns(desc) <= timeout_ns) { dev_dbg(&udev->dev, "Disable U1, ESIT shorter than exit latency\n"); return USB3_LPM_DISABLED; } } - if (xhci->quirks & XHCI_INTEL_HOST) - timeout_ns = xhci_calculate_intel_u1_timeout(udev, desc); - else - timeout_ns = udev->u1_params.sel; - /* The U1 timeout is encoded in 1us intervals. * Don't return a timeout of zero, because that's USB3_LPM_DISABLED. */ @@ -4492,19 +4502,19 @@ static u16 xhci_calculate_u2_timeout(struct xhci_hcd *xhci, { unsigned long long timeout_ns; + if (xhci->quirks & XHCI_INTEL_HOST) + timeout_ns = xhci_calculate_intel_u2_timeout(udev, desc); + else + timeout_ns = udev->u2_params.sel; + /* Prevent U2 if service interval is shorter than U2 exit latency */ if (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc)) { - if (xhci_service_interval_to_ns(desc) <= udev->u2_params.mel) { + if (xhci_service_interval_to_ns(desc) <= timeout_ns) { dev_dbg(&udev->dev, "Disable U2, ESIT shorter than exit latency\n"); return USB3_LPM_DISABLED; } } - if (xhci->quirks & XHCI_INTEL_HOST) - timeout_ns = xhci_calculate_intel_u2_timeout(udev, desc); - else - timeout_ns = udev->u2_params.sel; - /* The U2 timeout is encoded in 256us intervals */ timeout_ns = DIV_ROUND_UP_ULL(timeout_ns, 256 * 1000); /* If the necessary timeout value is bigger than what we can set in the diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c index ba5c0a4591ac..012d97f9c30c 100644 --- a/drivers/usb/misc/adutux.c +++ b/drivers/usb/misc/adutux.c @@ -210,6 +210,7 @@ static void adu_interrupt_out_callback(struct urb *urb) if (status != 0) { if ((status != -ENOENT) && + (status != -ESHUTDOWN) && (status != -ECONNRESET)) { dev_dbg(&dev->udev->dev, "%s :nonzero status received: %d\n", __func__, diff --git a/drivers/usb/misc/sisusbvga/Kconfig b/drivers/usb/misc/sisusbvga/Kconfig index 36bc28c884ad..47dabccafef4 100644 --- a/drivers/usb/misc/sisusbvga/Kconfig +++ b/drivers/usb/misc/sisusbvga/Kconfig @@ -15,7 +15,7 @@ config USB_SISUSBVGA config USB_SISUSBVGA_CON bool "Text console and mode switching support" if USB_SISUSBVGA - depends on VT + depends on VT && BROKEN select FONT_8x16 ---help--- Say Y here if you want a VGA text console via the USB dongle or diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c index 4145314a515b..bd256ede6149 100644 --- a/drivers/usb/misc/trancevibrator.c +++ b/drivers/usb/misc/trancevibrator.c @@ -74,9 +74,9 @@ static ssize_t set_speed(struct device *dev, struct device_attribute *attr, /* Set speed */ retval = usb_control_msg(tv->udev, usb_sndctrlpipe(tv->udev, 0), 0x01, /* vendor request: set speed */ - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, tv->speed, /* speed value */ - 0, NULL, 0, USB_CTRL_GET_TIMEOUT); + 0, NULL, 0, USB_CTRL_SET_TIMEOUT); if (retval) { tv->speed = old; dev_dbg(&tv->udev->dev, "retval = %d\n", retval); diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c index 3d750671b85a..9a4138da3b88 100644 --- a/drivers/usb/misc/uss720.c +++ b/drivers/usb/misc/uss720.c @@ -753,6 +753,7 @@ static int uss720_probe(struct usb_interface *intf, parport_announce_port(pp); usb_set_intfdata(intf, pp); + usb_put_dev(usbdev); return 0; probe_abort: diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index b17aeaafbb7c..e7761c00eda5 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -515,6 +515,9 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer, timeout = schedule_timeout(YUREX_WRITE_TIMEOUT); finish_wait(&dev->waitq, &wait); + /* make sure URB is idle after timeout or (spurious) CMD_ACK */ + usb_kill_urb(dev->cntl_urb); + mutex_unlock(&dev->io_mutex); if (retval < 0) { diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 79efb367e5ce..7d329c6bc65f 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -140,6 +140,8 @@ struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt) usbhsf_dma_unmap(pkt); } + usbhs_pipe_running(pipe, 0); + __usbhsf_pkt_del(pkt); } diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c index 75fb41d4e9fc..22249e389c3d 100644 --- a/drivers/usb/renesas_usbhs/pipe.c +++ b/drivers/usb/renesas_usbhs/pipe.c @@ -805,6 +805,8 @@ struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv, void usbhs_pipe_free(struct usbhs_pipe *pipe) { + usbhsp_pipe_select(pipe); + usbhsp_pipe_cfg_set(pipe, 0xFFFF, 0); usbhsp_put_pipe(pipe); } diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index 3ec59c2b4f65..2cff9c40f28a 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -70,10 +70,12 @@ static const struct usb_device_id id_table[] = { - { USB_DEVICE(0x4348, 0x5523) }, + { USB_DEVICE(0x1a86, 0x5512) }, + { USB_DEVICE(0x1a86, 0x5523) }, { USB_DEVICE(0x1a86, 0x7522) }, { USB_DEVICE(0x1a86, 0x7523) }, - { USB_DEVICE(0x1a86, 0x5523) }, + { USB_DEVICE(0x4348, 0x5523) }, + { USB_DEVICE(0x9986, 0x7523) }, { }, }; MODULE_DEVICE_TABLE(usb, id_table); diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 205f31200264..91462ff9a99d 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -57,6 +57,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */ { USB_DEVICE(0x08FD, 0x000A) }, /* Digianswer A/S , ZigBee/802.15.4 MAC Device */ { USB_DEVICE(0x0908, 0x01FF) }, /* Siemens RUGGEDCOM USB Serial Console */ + { USB_DEVICE(0x0988, 0x0578) }, /* Teraoka AD2000 */ { USB_DEVICE(0x0B00, 0x3070) }, /* Ingenico 3070 */ { USB_DEVICE(0x0BED, 0x1100) }, /* MEI (TM) Cashflow-SC Bill/Voucher Acceptor */ { USB_DEVICE(0x0BED, 0x1101) }, /* MEI series 2000 Combo Acceptor */ @@ -141,6 +142,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x8857) }, /* CEL EM357 ZigBee USB Stick */ { USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */ { USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */ + { USB_DEVICE(0x10C4, 0x88D8) }, /* Acuity Brands nLight Air Adapter */ { USB_DEVICE(0x10C4, 0x88FB) }, /* CESINEL MEDCAL STII Network Analyzer */ { USB_DEVICE(0x10C4, 0x8938) }, /* CESINEL MEDCAL S II Network Analyzer */ { USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */ @@ -197,6 +199,9 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1901, 0x0194) }, /* GE Healthcare Remote Alarm Box */ { USB_DEVICE(0x1901, 0x0195) }, /* GE B850/B650/B450 CP2104 DP UART interface */ { USB_DEVICE(0x1901, 0x0196) }, /* GE B850 CP2105 DP UART interface */ + { USB_DEVICE(0x1901, 0x0197) }, /* GE CS1000 Display serial interface */ + { USB_DEVICE(0x1901, 0x0198) }, /* GE CS1000 M.2 Key E serial interface */ + { USB_DEVICE(0x199B, 0xBA30) }, /* LORD WSDA-200-USB */ { USB_DEVICE(0x19CF, 0x3000) }, /* Parrot NMEA GPS Flight Recorder */ { USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */ { USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */ @@ -252,6 +257,8 @@ static struct usb_serial_driver cp210x_device = { .close = cp210x_close, .break_ctl = cp210x_break_ctl, .set_termios = cp210x_set_termios, + .throttle = usb_serial_generic_throttle, + .unthrottle = usb_serial_generic_unthrottle, .tiocmget = cp210x_tiocmget, .tiocmset = cp210x_tiocmset, .attach = cp210x_startup, diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index 8948f375e75d..5a29ea0d00c5 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -368,11 +368,12 @@ static void cyberjack_write_bulk_callback(struct urb *urb) struct cyberjack_private *priv = usb_get_serial_port_data(port); struct device *dev = &port->dev; int status = urb->status; + bool resubmitted = false; - set_bit(0, &port->write_urbs_free); if (status) { dev_dbg(dev, "%s - nonzero write bulk status received: %d\n", __func__, status); + set_bit(0, &port->write_urbs_free); return; } @@ -405,6 +406,8 @@ static void cyberjack_write_bulk_callback(struct urb *urb) goto exit; } + resubmitted = true; + dev_dbg(dev, "%s - priv->wrsent=%d\n", __func__, priv->wrsent); dev_dbg(dev, "%s - priv->wrfilled=%d\n", __func__, priv->wrfilled); @@ -421,6 +424,8 @@ static void cyberjack_write_bulk_callback(struct urb *urb) exit: spin_unlock(&priv->lock); + if (!resubmitted) + set_bit(0, &port->write_urbs_free); usb_serial_port_softint(port); } diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index be93b9ff2d98..b630048c4988 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -23,7 +23,6 @@ #include <linux/tty_flip.h> #include <linux/module.h> #include <linux/spinlock.h> -#include <linux/workqueue.h> #include <linux/uaccess.h> #include <linux/usb.h> #include <linux/wait.h> @@ -201,14 +200,12 @@ struct digi_port { int dp_throttle_restart; wait_queue_head_t dp_flush_wait; wait_queue_head_t dp_close_wait; /* wait queue for close */ - struct work_struct dp_wakeup_work; struct usb_serial_port *dp_port; }; /* Local Function Declarations */ -static void digi_wakeup_write_lock(struct work_struct *work); static int digi_write_oob_command(struct usb_serial_port *port, unsigned char *buf, int count, int interruptible); static int digi_write_inb_command(struct usb_serial_port *port, @@ -355,26 +352,6 @@ __releases(lock) return timeout; } - -/* - * Digi Wakeup Write - * - * Wake up port, line discipline, and tty processes sleeping - * on writes. - */ - -static void digi_wakeup_write_lock(struct work_struct *work) -{ - struct digi_port *priv = - container_of(work, struct digi_port, dp_wakeup_work); - struct usb_serial_port *port = priv->dp_port; - unsigned long flags; - - spin_lock_irqsave(&priv->dp_port_lock, flags); - tty_port_tty_wakeup(&port->port); - spin_unlock_irqrestore(&priv->dp_port_lock, flags); -} - /* * Digi Write OOB Command * @@ -986,6 +963,7 @@ static void digi_write_bulk_callback(struct urb *urb) struct digi_serial *serial_priv; int ret = 0; int status = urb->status; + bool wakeup; /* port and serial sanity check */ if (port == NULL || (priv = usb_get_serial_port_data(port)) == NULL) { @@ -1012,6 +990,7 @@ static void digi_write_bulk_callback(struct urb *urb) } /* try to send any buffered data on this port */ + wakeup = true; spin_lock(&priv->dp_port_lock); priv->dp_write_urb_in_use = 0; if (priv->dp_out_buf_len > 0) { @@ -1027,19 +1006,18 @@ static void digi_write_bulk_callback(struct urb *urb) if (ret == 0) { priv->dp_write_urb_in_use = 1; priv->dp_out_buf_len = 0; + wakeup = false; } } - /* wake up processes sleeping on writes immediately */ - tty_port_tty_wakeup(&port->port); - /* also queue up a wakeup at scheduler time, in case we */ - /* lost the race in write_chan(). */ - schedule_work(&priv->dp_wakeup_work); - spin_unlock(&priv->dp_port_lock); + if (ret && ret != -EPERM) dev_err_console(port, "%s: usb_submit_urb failed, ret=%d, port=%d\n", __func__, ret, priv->dp_port_num); + + if (wakeup) + tty_port_tty_wakeup(&port->port); } static int digi_write_room(struct tty_struct *tty) @@ -1239,7 +1217,6 @@ static int digi_port_init(struct usb_serial_port *port, unsigned port_num) init_waitqueue_head(&priv->dp_transmit_idle_wait); init_waitqueue_head(&priv->dp_flush_wait); init_waitqueue_head(&priv->dp_close_wait); - INIT_WORK(&priv->dp_wakeup_work, digi_wakeup_write_lock); priv->dp_port = port; init_waitqueue_head(&port->write_wait); @@ -1525,13 +1502,14 @@ static int digi_read_oob_callback(struct urb *urb) rts = tty->termios.c_cflag & CRTSCTS; if (tty && opcode == DIGI_CMD_READ_INPUT_SIGNALS) { + bool wakeup = false; + spin_lock(&priv->dp_port_lock); /* convert from digi flags to termiox flags */ if (val & DIGI_READ_INPUT_SIGNALS_CTS) { priv->dp_modem_signals |= TIOCM_CTS; - /* port must be open to use tty struct */ if (rts) - tty_port_tty_wakeup(&port->port); + wakeup = true; } else { priv->dp_modem_signals &= ~TIOCM_CTS; /* port must be open to use tty struct */ @@ -1550,6 +1528,9 @@ static int digi_read_oob_callback(struct urb *urb) priv->dp_modem_signals &= ~TIOCM_CD; spin_unlock(&priv->dp_port_lock); + + if (wakeup) + tty_port_tty_wakeup(&port->port); } else if (opcode == DIGI_CMD_TRANSMIT_IDLE) { spin_lock(&priv->dp_port_lock); priv->dp_transmit_idle = 1; diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 25e76d4c1505..f8b8bdc0dc6f 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -606,6 +606,7 @@ static const struct usb_device_id id_table_combined[] = { .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) }, { USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONMX_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) }, @@ -1029,9 +1030,17 @@ static const struct usb_device_id id_table_combined[] = { /* Sienna devices */ { USB_DEVICE(FTDI_VID, FTDI_SIENNA_PID) }, { USB_DEVICE(ECHELON_VID, ECHELON_U20_PID) }, + /* IDS GmbH devices */ + { USB_DEVICE(IDS_VID, IDS_SI31A_PID) }, + { USB_DEVICE(IDS_VID, IDS_CM31A_PID) }, /* U-Blox devices */ { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ZED_PID) }, { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ODIN_PID) }, + /* FreeCalypso USB adapters */ + { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_BUF_PID), + .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID), + .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index c33e06752b5f..54ded2bc9eb6 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -38,6 +38,13 @@ #define FTDI_LUMEL_PD12_PID 0x6002 +/* + * Custom USB adapters made by Falconia Partners LLC + * for FreeCalypso project, ID codes allocated to Falconia by FTDI. + */ +#define FTDI_FALCONIA_JTAG_BUF_PID 0x7150 +#define FTDI_FALCONIA_JTAG_UNBUF_PID 0x7151 + /* Sienna Serial Interface by Secyourit GmbH */ #define FTDI_SIENNA_PID 0x8348 @@ -573,6 +580,7 @@ #define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */ #define FTDI_NT_ORIONLX_PLUS_PID 0x7c91 /* OrionLX+ Substation Automation Platform */ #define FTDI_NT_ORION_IO_PID 0x7c92 /* Orion I/O */ +#define FTDI_NT_ORIONMX_PID 0x7c93 /* OrionMX */ /* * Synapse Wireless product ids (FTDI_VID) @@ -1560,6 +1568,13 @@ #define UNJO_ISODEBUG_V1_PID 0x150D /* + * IDS GmbH + */ +#define IDS_VID 0x2CAF +#define IDS_SI31A_PID 0x13A2 +#define IDS_CM31A_PID 0x13A3 + +/* * U-Blox products (http://www.u-blox.com). */ #define UBLOX_VID 0x1546 diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index b639d064e5da..14ab47f88251 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -2966,26 +2966,32 @@ static int edge_startup(struct usb_serial *serial) response = -ENODEV; } - usb_free_urb(edge_serial->interrupt_read_urb); - kfree(edge_serial->interrupt_in_buffer); - - usb_free_urb(edge_serial->read_urb); - kfree(edge_serial->bulk_in_buffer); - - kfree(edge_serial); - - return response; + goto error; } /* start interrupt read for this edgeport this interrupt will * continue as long as the edgeport is connected */ response = usb_submit_urb(edge_serial->interrupt_read_urb, GFP_KERNEL); - if (response) + if (response) { dev_err(ddev, "%s - Error %d submitting control urb\n", __func__, response); + + goto error; + } } return response; + +error: + usb_free_urb(edge_serial->interrupt_read_urb); + kfree(edge_serial->interrupt_in_buffer); + + usb_free_urb(edge_serial->read_urb); + kfree(edge_serial->bulk_in_buffer); + + kfree(edge_serial); + + return response; } diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c index 1a966f25b3ef..ef948285a142 100644 --- a/drivers/usb/serial/iuu_phoenix.c +++ b/drivers/usb/serial/iuu_phoenix.c @@ -551,23 +551,29 @@ static int iuu_uart_flush(struct usb_serial_port *port) struct device *dev = &port->dev; int i; int status; - u8 rxcmd = IUU_UART_RX; + u8 *rxcmd; struct iuu_private *priv = usb_get_serial_port_data(port); if (iuu_led(port, 0xF000, 0, 0, 0xFF) < 0) return -EIO; + rxcmd = kmalloc(1, GFP_KERNEL); + if (!rxcmd) + return -ENOMEM; + + rxcmd[0] = IUU_UART_RX; + for (i = 0; i < 2; i++) { - status = bulk_immediate(port, &rxcmd, 1); + status = bulk_immediate(port, rxcmd, 1); if (status != IUU_OPERATION_OK) { dev_dbg(dev, "%s - uart_flush_write error\n", __func__); - return status; + goto out_free; } status = read_immediate(port, &priv->len, 1); if (status != IUU_OPERATION_OK) { dev_dbg(dev, "%s - uart_flush_read error\n", __func__); - return status; + goto out_free; } if (priv->len > 0) { @@ -575,12 +581,16 @@ static int iuu_uart_flush(struct usb_serial_port *port) status = read_immediate(port, priv->buf, priv->len); if (status != IUU_OPERATION_OK) { dev_dbg(dev, "%s - uart_flush_read error\n", __func__); - return status; + goto out_free; } } } dev_dbg(dev, "%s - uart_flush_read OK!\n", __func__); iuu_led(port, 0, 0xF000, 0, 0xFF); + +out_free: + kfree(rxcmd); + return status; } diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index 8a4047de43dc..c40b64244160 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -44,11 +44,12 @@ #define DRIVER_AUTHOR "Brian Warner <warner@lothar.com>" #define DRIVER_DESC "USB Keyspan PDA Converter driver" +#define KEYSPAN_TX_THRESHOLD 16 + struct keyspan_pda_private { int tx_room; int tx_throttled; - struct work_struct wakeup_work; - struct work_struct unthrottle_work; + struct work_struct unthrottle_work; struct usb_serial *serial; struct usb_serial_port *port; }; @@ -101,15 +102,6 @@ static const struct usb_device_id id_table_fake_xircom[] = { }; #endif -static void keyspan_pda_wakeup_write(struct work_struct *work) -{ - struct keyspan_pda_private *priv = - container_of(work, struct keyspan_pda_private, wakeup_work); - struct usb_serial_port *port = priv->port; - - tty_port_tty_wakeup(&port->port); -} - static void keyspan_pda_request_unthrottle(struct work_struct *work) { struct keyspan_pda_private *priv = @@ -124,7 +116,7 @@ static void keyspan_pda_request_unthrottle(struct work_struct *work) 7, /* request_unthrottle */ USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT, - 16, /* value: threshold */ + KEYSPAN_TX_THRESHOLD, 0, /* index */ NULL, 0, @@ -143,6 +135,8 @@ static void keyspan_pda_rx_interrupt(struct urb *urb) int retval; int status = urb->status; struct keyspan_pda_private *priv; + unsigned long flags; + priv = usb_get_serial_port_data(port); switch (status) { @@ -176,18 +170,21 @@ static void keyspan_pda_rx_interrupt(struct urb *urb) break; case 1: /* status interrupt */ - if (len < 3) { + if (len < 2) { dev_warn(&port->dev, "short interrupt message received\n"); break; } - dev_dbg(&port->dev, "rx int, d1=%d, d2=%d\n", data[1], data[2]); + dev_dbg(&port->dev, "rx int, d1=%d\n", data[1]); switch (data[1]) { case 1: /* modemline change */ break; case 2: /* tx unthrottle interrupt */ + spin_lock_irqsave(&port->lock, flags); priv->tx_throttled = 0; + priv->tx_room = max(priv->tx_room, KEYSPAN_TX_THRESHOLD); + spin_unlock_irqrestore(&port->lock, flags); /* queue up a wakeup at scheduler time */ - schedule_work(&priv->wakeup_work); + usb_serial_port_softint(port); break; default: break; @@ -447,6 +444,7 @@ static int keyspan_pda_write(struct tty_struct *tty, int request_unthrottle = 0; int rc = 0; struct keyspan_pda_private *priv; + unsigned long flags; priv = usb_get_serial_port_data(port); /* guess how much room is left in the device's ring buffer, and if we @@ -466,13 +464,13 @@ static int keyspan_pda_write(struct tty_struct *tty, the TX urb is in-flight (wait until it completes) the device is full (wait until it says there is room) */ - spin_lock_bh(&port->lock); + spin_lock_irqsave(&port->lock, flags); if (!test_bit(0, &port->write_urbs_free) || priv->tx_throttled) { - spin_unlock_bh(&port->lock); + spin_unlock_irqrestore(&port->lock, flags); return 0; } clear_bit(0, &port->write_urbs_free); - spin_unlock_bh(&port->lock); + spin_unlock_irqrestore(&port->lock, flags); /* At this point the URB is in our control, nobody else can submit it again (the only sudden transition was the one from EINPROGRESS to @@ -518,7 +516,8 @@ static int keyspan_pda_write(struct tty_struct *tty, goto exit; } } - if (count > priv->tx_room) { + + if (count >= priv->tx_room) { /* we're about to completely fill the Tx buffer, so we'll be throttled afterwards. */ count = priv->tx_room; @@ -551,7 +550,7 @@ static int keyspan_pda_write(struct tty_struct *tty, rc = count; exit: - if (rc < 0) + if (rc <= 0) set_bit(0, &port->write_urbs_free); return rc; } @@ -560,27 +559,28 @@ exit: static void keyspan_pda_write_bulk_callback(struct urb *urb) { struct usb_serial_port *port = urb->context; - struct keyspan_pda_private *priv; set_bit(0, &port->write_urbs_free); - priv = usb_get_serial_port_data(port); /* queue up a wakeup at scheduler time */ - schedule_work(&priv->wakeup_work); + usb_serial_port_softint(port); } static int keyspan_pda_write_room(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - struct keyspan_pda_private *priv; - priv = usb_get_serial_port_data(port); - /* used by n_tty.c for processing of tabs and such. Giving it our - conservative guess is probably good enough, but needs testing by - running a console through the device. */ - return priv->tx_room; -} + struct keyspan_pda_private *priv = usb_get_serial_port_data(port); + unsigned long flags; + int room = 0; + spin_lock_irqsave(&port->lock, flags); + if (test_bit(0, &port->write_urbs_free) && !priv->tx_throttled) + room = priv->tx_room; + spin_unlock_irqrestore(&port->lock, flags); + + return room; +} static int keyspan_pda_chars_in_buffer(struct tty_struct *tty) { @@ -660,8 +660,12 @@ error: } static void keyspan_pda_close(struct usb_serial_port *port) { + struct keyspan_pda_private *priv = usb_get_serial_port_data(port); + usb_kill_urb(port->write_urb); usb_kill_urb(port->interrupt_in_urb); + + cancel_work_sync(&priv->unthrottle_work); } @@ -732,7 +736,6 @@ static int keyspan_pda_port_probe(struct usb_serial_port *port) if (!priv) return -ENOMEM; - INIT_WORK(&priv->wakeup_work, keyspan_pda_wakeup_write); INIT_WORK(&priv->unthrottle_work, keyspan_pda_request_unthrottle); priv->serial = port->serial; priv->port = port; diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index 83c823d32ff9..7b006fd4de0e 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -293,12 +293,12 @@ static int klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port) priv->cfg.unknown2 = cfg->unknown2; spin_unlock_irqrestore(&priv->lock, flags); + kfree(cfg); + /* READ_ON and urb submission */ rc = usb_serial_generic_open(tty, port); - if (rc) { - retval = rc; - goto err_free_cfg; - } + if (rc) + return rc; rc = usb_control_msg(port->serial->dev, usb_sndctrlpipe(port->serial->dev, 0), @@ -341,8 +341,6 @@ err_disable_read: KLSI_TIMEOUT); err_generic_close: usb_serial_generic_close(port); -err_free_cfg: - kfree(cfg); return retval; } diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 1927f41ccafc..7f3af3ed347d 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -640,6 +640,8 @@ static void parport_mos7715_restore_state(struct parport *pp, spin_unlock(&release_lock); return; } + mos_parport->shadowDCR = s->u.pc.ctr; + mos_parport->shadowECR = s->u.pc.ecr; write_parport_reg_nonblock(mos_parport, MOS7720_DCR, mos_parport->shadowDCR); write_parport_reg_nonblock(mos_parport, MOS7720_ECR, @@ -1237,8 +1239,10 @@ static int mos7720_write(struct tty_struct *tty, struct usb_serial_port *port, if (urb->transfer_buffer == NULL) { urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_ATOMIC); - if (!urb->transfer_buffer) + if (!urb->transfer_buffer) { + bytes_sent = -ENOMEM; goto exit; + } } transfer_size = min(count, URB_TRANSFER_BUFFER_SIZE); diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 4add6bc38d64..7a9b9542882f 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -1362,8 +1362,10 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port, if (urb->transfer_buffer == NULL) { urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_ATOMIC); - if (!urb->transfer_buffer) + if (!urb->transfer_buffer) { + bytes_sent = -ENOMEM; goto exit; + } } transfer_size = min(count, URB_TRANSFER_BUFFER_SIZE); diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index 76564b3bebb9..cc0bf59bd08d 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -27,6 +27,7 @@ #define ZYXEL_VENDOR_ID 0x0586 #define ZYXEL_OMNINET_ID 0x1000 +#define ZYXEL_OMNI_56K_PLUS_ID 0x1500 /* This one seems to be a re-branded ZyXEL device */ #define BT_IGNITIONPRO_ID 0x2000 @@ -44,6 +45,7 @@ static int omninet_port_remove(struct usb_serial_port *port); static const struct usb_device_id id_table[] = { { USB_DEVICE(ZYXEL_VENDOR_ID, ZYXEL_OMNINET_ID) }, + { USB_DEVICE(ZYXEL_VENDOR_ID, ZYXEL_OMNI_56K_PLUS_ID) }, { USB_DEVICE(ZYXEL_VENDOR_ID, BT_IGNITIONPRO_ID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 8cff50ef4fd1..6faa9ac53887 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -419,11 +419,14 @@ static void option_instat_callback(struct urb *urb); #define CINTERION_PRODUCT_PH8 0x0053 #define CINTERION_PRODUCT_AHXX 0x0055 #define CINTERION_PRODUCT_PLXX 0x0060 +#define CINTERION_PRODUCT_EXS82 0x006c #define CINTERION_PRODUCT_PH8_2RMNET 0x0082 #define CINTERION_PRODUCT_PH8_AUDIO 0x0083 #define CINTERION_PRODUCT_AHXX_2RMNET 0x0084 #define CINTERION_PRODUCT_AHXX_AUDIO 0x0085 #define CINTERION_PRODUCT_CLS8 0x00b0 +#define CINTERION_PRODUCT_MV31_MBIM 0x00b3 +#define CINTERION_PRODUCT_MV31_RMNET 0x00b7 /* Olivetti products */ #define OLIVETTI_VENDOR_ID 0x0b3c @@ -529,6 +532,7 @@ static void option_instat_callback(struct urb *urb); /* Cellient products */ #define CELLIENT_VENDOR_ID 0x2692 #define CELLIENT_PRODUCT_MEN200 0x9005 +#define CELLIENT_PRODUCT_MPL200 0x9025 /* Hyundai Petatel Inc. products */ #define PETATEL_VENDOR_ID 0x1ff4 @@ -561,6 +565,9 @@ static void option_instat_callback(struct urb *urb); /* Device flags */ +/* Highest interface number which can be used with NCTRL() and RSVD() */ +#define FLAG_IFNUM_MAX 7 + /* Interface does not support modem-control requests */ #define NCTRL(ifnum) ((BIT(ifnum) & 0xff) << 8) @@ -1171,6 +1178,10 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(2) | RSVD(3) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1053, 0xff), /* Telit FN980 (ECM) */ .driver_info = NCTRL(0) | RSVD(1) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1054, 0xff), /* Telit FT980-KS */ + .driver_info = NCTRL(2) | RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1055, 0xff), /* Telit FN980 (PCIe) */ + .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910), .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM), @@ -1183,6 +1194,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(0) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1203, 0xff), /* Telit LE910Cx (RNDIS) */ + .driver_info = NCTRL(2) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920), @@ -1197,6 +1210,10 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1213, 0xff) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1214), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1230, 0xff), /* Telit LE910Cx (rmnet) */ + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1231, 0xff), /* Telit LE910Cx (RNDIS) */ + .driver_info = NCTRL(2) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, 0x1260), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, { USB_DEVICE(TELIT_VENDOR_ID, 0x1261), @@ -1205,6 +1222,10 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1901, 0xff), /* Telit LN940 (MBIM) */ .driver_info = NCTRL(0) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x7010, 0xff), /* Telit LE910-S1 (RNDIS) */ + .driver_info = NCTRL(2) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x7011, 0xff), /* Telit LE910-S1 (ECM) */ + .driver_info = NCTRL(2) }, { USB_DEVICE(TELIT_VENDOR_ID, 0x9010), /* Telit SBL FN980 flashing device */ .driver_info = NCTRL(0) | ZLP }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */ @@ -1534,7 +1555,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1272, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1273, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1274, 0xff, 0xff, 0xff) }, - { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1275, 0xff, 0xff, 0xff) }, + { USB_DEVICE(ZTE_VENDOR_ID, 0x1275), /* ZTE P685M */ + .driver_info = RSVD(3) | RSVD(4) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1276, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1277, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1278, 0xff, 0xff, 0xff) }, @@ -1874,12 +1896,17 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_AUDIO, 0xff) }, { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_CLS8, 0xff), .driver_info = RSVD(0) | RSVD(4) }, + { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EXS82, 0xff) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) }, { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) }, { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) }, { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, /* HC28 enumerates with Siemens or Cinterion VID depending on FW revision */ { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) }, + { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_MV31_MBIM, 0xff), + .driver_info = RSVD(3)}, + { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_MV31_RMNET, 0xff), + .driver_info = RSVD(0)}, { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100), .driver_info = RSVD(4) }, { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD120), @@ -1967,6 +1994,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x02, 0x01) }, { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x00, 0x00) }, { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) }, + { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MPL200), + .driver_info = RSVD(1) | RSVD(4) }, { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T_600A) }, { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T_600E) }, { USB_DEVICE_AND_INTERFACE_INFO(TPLINK_VENDOR_ID, TPLINK_PRODUCT_LTE, 0xff, 0x00, 0x00) }, /* TP-Link LTE Module */ @@ -2018,12 +2047,14 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(0) | RSVD(1) | RSVD(6) }, { USB_DEVICE(0x0489, 0xe0b5), /* Foxconn T77W968 ESIM */ .driver_info = RSVD(0) | RSVD(1) | RSVD(6) }, - { USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 */ + { USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 (IOT version) */ .driver_info = RSVD(4) | RSVD(5) | RSVD(6) }, { USB_DEVICE(0x2cb7, 0x0104), /* Fibocom NL678 series */ .driver_info = RSVD(4) | RSVD(5) }, { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0105, 0xff), /* Fibocom NL678 series */ .driver_info = RSVD(6) }, + { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) }, /* Fibocom NL668-AM/NL652-EU (laptop MBIM) */ + { USB_DEVICE_INTERFACE_CLASS(0x2df3, 0x9d03, 0xff) }, /* LongSung M5710 */ { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) }, /* GosunCn GM500 RNDIS */ { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) }, /* GosunCn GM500 MBIM */ { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1406, 0xff) }, /* GosunCn GM500 ECM/NCM */ @@ -2070,6 +2101,14 @@ static struct usb_serial_driver * const serial_drivers[] = { module_usb_serial_driver(serial_drivers, option_ids); +static bool iface_is_reserved(unsigned long device_flags, u8 ifnum) +{ + if (ifnum > FLAG_IFNUM_MAX) + return false; + + return device_flags & RSVD(ifnum); +} + static int option_probe(struct usb_serial *serial, const struct usb_device_id *id) { @@ -2087,7 +2126,7 @@ static int option_probe(struct usb_serial *serial, * the same class/subclass/protocol as the serial interfaces. Look at * the Windows driver .INF files for reserved interface numbers. */ - if (device_flags & RSVD(iface_desc->bInterfaceNumber)) + if (iface_is_reserved(device_flags, iface_desc->bInterfaceNumber)) return -ENODEV; /* * Don't bind network interface on Samsung GT-B3730, it is handled by @@ -2104,6 +2143,14 @@ static int option_probe(struct usb_serial *serial, return 0; } +static bool iface_no_modem_control(unsigned long device_flags, u8 ifnum) +{ + if (ifnum > FLAG_IFNUM_MAX) + return false; + + return device_flags & NCTRL(ifnum); +} + static int option_attach(struct usb_serial *serial) { struct usb_interface_descriptor *iface_desc; @@ -2119,7 +2166,7 @@ static int option_attach(struct usb_serial *serial) iface_desc = &serial->interface->cur_altsetting->desc; - if (!(device_flags & NCTRL(iface_desc->bInterfaceNumber))) + if (!iface_no_modem_control(device_flags, iface_desc->bInterfaceNumber)) data->use_send_setup = 1; if (device_flags & ZLP) diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 4fcded2971d1..3dd0bbb36dd2 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -89,6 +89,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) }, { USB_DEVICE(HP_VENDOR_ID, HP_LD220TA_PRODUCT_ID) }, { USB_DEVICE(HP_VENDOR_ID, HP_LD381_PRODUCT_ID) }, + { USB_DEVICE(HP_VENDOR_ID, HP_LD381GC_PRODUCT_ID) }, { USB_DEVICE(HP_VENDOR_ID, HP_LD960_PRODUCT_ID) }, { USB_DEVICE(HP_VENDOR_ID, HP_LD960TA_PRODUCT_ID) }, { USB_DEVICE(HP_VENDOR_ID, HP_LCM220_PRODUCT_ID) }, @@ -101,6 +102,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) }, { USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) }, { USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) }, + { USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530GC_PRODUCT_ID) }, { USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) }, { USB_DEVICE(AT_VENDOR_ID, AT_VTKIT3_PRODUCT_ID) }, { } /* Terminating entry */ diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 54d2fb974a41..62b8cd673aa1 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -125,6 +125,7 @@ /* Hewlett-Packard POS Pole Displays */ #define HP_VENDOR_ID 0x03f0 +#define HP_LD381GC_PRODUCT_ID 0x0183 #define HP_LM920_PRODUCT_ID 0x026b #define HP_TD620_PRODUCT_ID 0x0956 #define HP_LD960_PRODUCT_ID 0x0b39 @@ -155,6 +156,7 @@ /* ADLINK ND-6530 RS232,RS485 and RS422 adapter */ #define ADLINK_VENDOR_ID 0x0b63 #define ADLINK_ND6530_PRODUCT_ID 0x6530 +#define ADLINK_ND6530GC_PRODUCT_ID 0x653a /* SMART USB Serial Adapter */ #define SMART_VENDOR_ID 0x0b8c diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index 82f28192694f..e548a6094d22 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -419,7 +419,7 @@ static void qt2_close(struct usb_serial_port *port) /* flush the port transmit buffer */ i = usb_control_msg(serial->dev, - usb_rcvctrlpipe(serial->dev, 0), + usb_sndctrlpipe(serial->dev, 0), QT2_FLUSH_DEVICE, 0x40, 1, port_priv->device_port, NULL, 0, QT2_USB_TIMEOUT); @@ -429,7 +429,7 @@ static void qt2_close(struct usb_serial_port *port) /* flush the port receive buffer */ i = usb_control_msg(serial->dev, - usb_rcvctrlpipe(serial->dev, 0), + usb_sndctrlpipe(serial->dev, 0), QT2_FLUSH_DEVICE, 0x40, 0, port_priv->device_port, NULL, 0, QT2_USB_TIMEOUT); @@ -701,7 +701,7 @@ static int qt2_attach(struct usb_serial *serial) int status; /* power on unit */ - status = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), + status = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 0xc2, 0x40, 0x8000, 0, NULL, 0, QT2_USB_TIMEOUT); if (status < 0) { diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index b7171c19fca2..7f4245b01bae 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -163,6 +163,13 @@ UNUSUAL_DEV(0x152d, 0x0578, 0x0000, 0x9999, US_FL_BROKEN_FUA), /* Reported-by: Thinh Nguyen <thinhn@synopsys.com> */ +UNUSUAL_DEV(0x154b, 0xf00b, 0x0000, 0x9999, + "PNY", + "Pro Elite SSD", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_ATA_1X), + +/* Reported-by: Thinh Nguyen <thinhn@synopsys.com> */ UNUSUAL_DEV(0x154b, 0xf00d, 0x0000, 0x9999, "PNY", "Pro Elite SSD", diff --git a/drivers/usb/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c index 4aad99a59958..5501eb89f395 100644 --- a/drivers/usb/usbip/stub_dev.c +++ b/drivers/usb/usbip/stub_dev.c @@ -60,6 +60,8 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr, int sockfd = 0; struct socket *socket; int rv; + struct task_struct *tcp_rx = NULL; + struct task_struct *tcp_tx = NULL; if (!sdev) { dev_err(dev, "sdev is null\n"); @@ -83,23 +85,47 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr, } socket = sockfd_lookup(sockfd, &err); - if (!socket) + if (!socket) { + dev_err(dev, "failed to lookup sock"); goto err; + } - sdev->ud.tcp_socket = socket; - sdev->ud.sockfd = sockfd; + if (socket->type != SOCK_STREAM) { + dev_err(dev, "Expecting SOCK_STREAM - found %d", + socket->type); + goto sock_err; + } + /* unlock and create threads and get tasks */ spin_unlock_irq(&sdev->ud.lock); + tcp_rx = kthread_create(stub_rx_loop, &sdev->ud, "stub_rx"); + if (IS_ERR(tcp_rx)) { + sockfd_put(socket); + return -EINVAL; + } + tcp_tx = kthread_create(stub_tx_loop, &sdev->ud, "stub_tx"); + if (IS_ERR(tcp_tx)) { + kthread_stop(tcp_rx); + sockfd_put(socket); + return -EINVAL; + } - sdev->ud.tcp_rx = kthread_get_run(stub_rx_loop, &sdev->ud, - "stub_rx"); - sdev->ud.tcp_tx = kthread_get_run(stub_tx_loop, &sdev->ud, - "stub_tx"); + /* get task structs now */ + get_task_struct(tcp_rx); + get_task_struct(tcp_tx); + /* lock and update sdev->ud state */ spin_lock_irq(&sdev->ud.lock); + sdev->ud.tcp_socket = socket; + sdev->ud.sockfd = sockfd; + sdev->ud.tcp_rx = tcp_rx; + sdev->ud.tcp_tx = tcp_tx; sdev->ud.status = SDEV_ST_USED; spin_unlock_irq(&sdev->ud.lock); + wake_up_process(sdev->ud.tcp_rx); + wake_up_process(sdev->ud.tcp_tx); + } else { dev_info(dev, "stub down\n"); @@ -114,6 +140,8 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr, return count; +sock_err: + sockfd_put(socket); err: spin_unlock_irq(&sdev->ud.lock); return -EINVAL; diff --git a/drivers/usb/usbip/vhci_sysfs.c b/drivers/usb/usbip/vhci_sysfs.c index b9432fdec775..1d681990b398 100644 --- a/drivers/usb/usbip/vhci_sysfs.c +++ b/drivers/usb/usbip/vhci_sysfs.c @@ -202,8 +202,16 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr, /* Extract socket from fd. */ socket = sockfd_lookup(sockfd, &err); - if (!socket) + if (!socket) { + dev_err(dev, "failed to lookup sock"); return -EINVAL; + } + if (socket->type != SOCK_STREAM) { + dev_err(dev, "Expecting SOCK_STREAM - found %d", + socket->type); + sockfd_put(socket); + return -EINVAL; + } /* now need lock until setting vdev status as used */ diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c index 666b234acca0..9891001244ea 100644 --- a/drivers/vfio/pci/vfio_pci_config.c +++ b/drivers/vfio/pci/vfio_pci_config.c @@ -1488,7 +1488,7 @@ static int vfio_ecap_init(struct vfio_pci_device *vdev) if (len == 0xFF) { len = vfio_ext_cap_len(vdev, ecap, epos); if (len < 0) - return ret; + return len; } } diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c index f7d48661aa94..af4f7ebb45a7 100644 --- a/drivers/vfio/pci/vfio_pci_intrs.c +++ b/drivers/vfio/pci/vfio_pci_intrs.c @@ -364,11 +364,13 @@ static int vfio_msi_set_vector_signal(struct vfio_pci_device *vdev, vdev->ctx[vector].producer.token = trigger; vdev->ctx[vector].producer.irq = irq; ret = irq_bypass_register_producer(&vdev->ctx[vector].producer); - if (unlikely(ret)) + if (unlikely(ret)) { dev_info(&pdev->dev, "irq bypass producer (token %p) registration fails: %d\n", vdev->ctx[vector].producer.token, ret); + vdev->ctx[vector].producer.token = NULL; + } vdev->ctx[vector].trigger = trigger; return 0; diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c index e65b142d3422..9b170ce16011 100644 --- a/drivers/vfio/platform/vfio_platform_common.c +++ b/drivers/vfio/platform/vfio_platform_common.c @@ -192,7 +192,7 @@ err_irq: vfio_platform_regions_cleanup(vdev); err_reg: mutex_unlock(&driver_lock); - module_put(THIS_MODULE); + module_put(vdev->parent_module); return ret; } diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 5efac33c29dc..3c6ca66cb819 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -313,6 +313,7 @@ static void handle_tx(struct vhost_net *net) size_t hdr_size; struct socket *sock; struct vhost_net_ubuf_ref *uninitialized_var(ubufs); + struct ubuf_info *ubuf; bool zcopy, zcopy_used; int sent_pkts = 0; @@ -378,9 +379,7 @@ static void handle_tx(struct vhost_net *net) /* use msg_control to pass vhost zerocopy ubuf info to skb */ if (zcopy_used) { - struct ubuf_info *ubuf; ubuf = nvq->ubuf_info + nvq->upend_idx; - vq->heads[nvq->upend_idx].id = cpu_to_vhost32(vq, head); vq->heads[nvq->upend_idx].len = VHOST_DMA_IN_PROGRESS; ubuf->callback = vhost_zerocopy_callback; @@ -399,7 +398,8 @@ static void handle_tx(struct vhost_net *net) err = sock->ops->sendmsg(sock, &msg, len); if (unlikely(err < 0)) { if (zcopy_used) { - vhost_net_ubuf_put(ubufs); + if (vq->heads[ubuf->desc].len == VHOST_DMA_IN_PROGRESS) + vhost_net_ubuf_put(ubufs); nvq->upend_idx = ((unsigned)nvq->upend_idx - 1) % UIO_MAXIOV; } diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c index 3bb02c60a2f5..d56736655dec 100644 --- a/drivers/vhost/vringh.c +++ b/drivers/vhost/vringh.c @@ -272,13 +272,14 @@ __vringh_iov(struct vringh *vrh, u16 i, desc_max = vrh->vring.num; up_next = -1; + /* You must want something! */ + if (WARN_ON(!riov && !wiov)) + return -EINVAL; + if (riov) riov->i = riov->used = 0; - else if (wiov) + if (wiov) wiov->i = wiov->used = 0; - else - /* You must want something! */ - BUG(); for (;;) { void *addr; diff --git a/drivers/video/backlight/sky81452-backlight.c b/drivers/video/backlight/sky81452-backlight.c index d414c7a3acf5..a2f77625b717 100644 --- a/drivers/video/backlight/sky81452-backlight.c +++ b/drivers/video/backlight/sky81452-backlight.c @@ -207,6 +207,7 @@ static struct sky81452_bl_platform_data *sky81452_bl_parse_dt( num_entry); if (ret < 0) { dev_err(dev, "led-sources node is invalid.\n"); + of_node_put(np); return ERR_PTR(-EINVAL); } diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index e57fa26bcff1..ceae076dc96b 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -1986,7 +1986,7 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width, return -EINVAL; DPRINTK("resize now %ix%i\n", var.xres, var.yres); - if (CON_IS_VISIBLE(vc)) { + if (CON_IS_VISIBLE(vc) && vc->vc_mode == KD_TEXT) { var.activate = FB_ACTIVATE_NOW | FB_ACTIVATE_FORCE; fb_set_var(info, &var); @@ -2234,6 +2234,9 @@ static int fbcon_get_font(struct vc_data *vc, struct console_font *font) if (font->width <= 8) { j = vc->vc_font.height; + if (font->charcount * j > FNTSIZE(fontdata)) + return -EINVAL; + for (i = 0; i < font->charcount; i++) { memcpy(data, fontdata, j); memset(data + j, 0, 32 - j); @@ -2242,6 +2245,9 @@ static int fbcon_get_font(struct vc_data *vc, struct console_font *font) } } else if (font->width <= 16) { j = vc->vc_font.height * 2; + if (font->charcount * j > FNTSIZE(fontdata)) + return -EINVAL; + for (i = 0; i < font->charcount; i++) { memcpy(data, fontdata, j); memset(data + j, 0, 64 - j); @@ -2249,6 +2255,9 @@ static int fbcon_get_font(struct vc_data *vc, struct console_font *font) fontdata += j; } } else if (font->width <= 24) { + if (font->charcount * (vc->vc_font.height * sizeof(u32)) > FNTSIZE(fontdata)) + return -EINVAL; + for (i = 0; i < font->charcount; i++) { for (j = 0; j < vc->vc_font.height; j++) { *data++ = fontdata[0]; @@ -2261,6 +2270,9 @@ static int fbcon_get_font(struct vc_data *vc, struct console_font *font) } } else { j = vc->vc_font.height * 4; + if (font->charcount * j > FNTSIZE(fontdata)) + return -EINVAL; + for (i = 0; i < font->charcount; i++) { memcpy(data, fontdata, j); memset(data + j, 0, 128 - j); diff --git a/drivers/video/console/fbcon.h b/drivers/video/console/fbcon.h index 5ebdccd070eb..701eecab3317 100644 --- a/drivers/video/console/fbcon.h +++ b/drivers/video/console/fbcon.h @@ -151,13 +151,6 @@ static inline int attr_col_ec(int shift, struct vc_data *vc, #define attr_bgcol_ec(bgshift, vc, info) attr_col_ec(bgshift, vc, info, 0) #define attr_fgcol_ec(fgshift, vc, info) attr_col_ec(fgshift, vc, info, 1) -/* Font */ -#define REFCOUNT(fd) (((int *)(fd))[-1]) -#define FNTSIZE(fd) (((int *)(fd))[-2]) -#define FNTCHARCNT(fd) (((int *)(fd))[-3]) -#define FNTSUM(fd) (((int *)(fd))[-4]) -#define FONT_EXTRA_WORDS 4 - /* * Scroll Method */ diff --git a/drivers/video/console/fbcon_rotate.c b/drivers/video/console/fbcon_rotate.c index db6528f2d3f2..0e3321081945 100644 --- a/drivers/video/console/fbcon_rotate.c +++ b/drivers/video/console/fbcon_rotate.c @@ -14,6 +14,7 @@ #include <linux/fb.h> #include <linux/vt_kern.h> #include <linux/console.h> +#include <linux/font.h> #include <asm/types.h> #include "fbcon.h" #include "fbcon_rotate.h" diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c index bd0c6e53bec1..740284a4554c 100644 --- a/drivers/video/console/newport_con.c +++ b/drivers/video/console/newport_con.c @@ -35,12 +35,6 @@ #define FONT_DATA ((unsigned char *)font_vga_8x16.data) -/* borrowed from fbcon.c */ -#define REFCOUNT(fd) (((int *)(fd))[-1]) -#define FNTSIZE(fd) (((int *)(fd))[-2]) -#define FNTCHARCNT(fd) (((int *)(fd))[-3]) -#define FONT_EXTRA_WORDS 3 - static unsigned char *font_data[MAX_NR_CONSOLES]; static struct newport_regs *npregs; @@ -522,6 +516,7 @@ static int newport_set_font(int unit, struct console_font *op) FNTSIZE(new_data) = size; FNTCHARCNT(new_data) = op->charcount; REFCOUNT(new_data) = 0; /* usage counter */ + FNTSUM(new_data) = 0; p = new_data; for (i = 0; i < op->charcount; i++) { diff --git a/drivers/video/console/tileblit.c b/drivers/video/console/tileblit.c index 3c0b242dba5f..691717276c3e 100644 --- a/drivers/video/console/tileblit.c +++ b/drivers/video/console/tileblit.c @@ -13,6 +13,7 @@ #include <linux/fb.h> #include <linux/vt_kern.h> #include <linux/console.h> +#include <linux/font.h> #include <asm/types.h> #include "fbcon.h" diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index c35ae8c732f6..850fe1789382 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -436,7 +436,7 @@ static void vgacon_init(struct vc_data *c, int init) vc_resize(c, vga_video_num_columns, vga_video_num_lines); c->vc_scan_lines = vga_scan_lines; - c->vc_font.height = vga_video_font_height; + c->vc_font.height = c->vc_cell_height = vga_video_font_height; c->vc_complement_mask = 0x7700; if (vga_512_chars) c->vc_hi_font_mask = 0x0800; @@ -574,32 +574,32 @@ static void vgacon_cursor(struct vc_data *c, int mode) switch (c->vc_cursor_type & 0x0f) { case CUR_UNDERLINE: vgacon_set_cursor_size(c->vc_x, - c->vc_font.height - - (c->vc_font.height < + c->vc_cell_height - + (c->vc_cell_height < 10 ? 2 : 3), - c->vc_font.height - - (c->vc_font.height < + c->vc_cell_height - + (c->vc_cell_height < 10 ? 1 : 2)); break; case CUR_TWO_THIRDS: vgacon_set_cursor_size(c->vc_x, - c->vc_font.height / 3, - c->vc_font.height - - (c->vc_font.height < + c->vc_cell_height / 3, + c->vc_cell_height - + (c->vc_cell_height < 10 ? 1 : 2)); break; case CUR_LOWER_THIRD: vgacon_set_cursor_size(c->vc_x, - (c->vc_font.height * 2) / 3, - c->vc_font.height - - (c->vc_font.height < + (c->vc_cell_height * 2) / 3, + c->vc_cell_height - + (c->vc_cell_height < 10 ? 1 : 2)); break; case CUR_LOWER_HALF: vgacon_set_cursor_size(c->vc_x, - c->vc_font.height / 2, - c->vc_font.height - - (c->vc_font.height < + c->vc_cell_height / 2, + c->vc_cell_height - + (c->vc_cell_height < 10 ? 1 : 2)); break; case CUR_NONE: @@ -610,7 +610,7 @@ static void vgacon_cursor(struct vc_data *c, int mode) break; default: vgacon_set_cursor_size(c->vc_x, 1, - c->vc_font.height); + c->vc_cell_height); break; } break; @@ -621,13 +621,13 @@ static int vgacon_doresize(struct vc_data *c, unsigned int width, unsigned int height) { unsigned long flags; - unsigned int scanlines = height * c->vc_font.height; + unsigned int scanlines = height * c->vc_cell_height; u8 scanlines_lo = 0, r7 = 0, vsync_end = 0, mode, max_scan; raw_spin_lock_irqsave(&vga_lock, flags); vgacon_xres = width * VGA_FONTWIDTH; - vgacon_yres = height * c->vc_font.height; + vgacon_yres = height * c->vc_cell_height; if (vga_video_type >= VIDEO_TYPE_VGAC) { outb_p(VGA_CRTC_MAX_SCAN, vga_video_port_reg); max_scan = inb_p(vga_video_port_val); @@ -682,9 +682,9 @@ static int vgacon_doresize(struct vc_data *c, static int vgacon_switch(struct vc_data *c) { int x = c->vc_cols * VGA_FONTWIDTH; - int y = c->vc_rows * c->vc_font.height; + int y = c->vc_rows * c->vc_cell_height; int rows = screen_info.orig_video_lines * vga_default_font_height/ - c->vc_font.height; + c->vc_cell_height; /* * We need to save screen size here as it's the only way * we can spot the screen has been resized and we need to @@ -1125,7 +1125,7 @@ static int vgacon_adjust_height(struct vc_data *vc, unsigned fontheight) cursor_size_lastto = 0; c->vc_sw->con_cursor(c, CM_DRAW); } - c->vc_font.height = fontheight; + c->vc_font.height = c->vc_cell_height = fontheight; vc_resize(c, 0, rows); /* Adjust console size */ } } @@ -1179,12 +1179,20 @@ static int vgacon_resize(struct vc_data *c, unsigned int width, if ((width << 1) * height > vga_vram_size) return -EINVAL; + if (user) { + /* + * Ho ho! Someone (svgatextmode, eh?) may have reprogrammed + * the video mode! Set the new defaults then and go away. + */ + screen_info.orig_video_cols = width; + screen_info.orig_video_lines = height; + vga_default_font_height = c->vc_cell_height; + return 0; + } if (width % 2 || width > screen_info.orig_video_cols || height > (screen_info.orig_video_lines * vga_default_font_height)/ - c->vc_font.height) - /* let svgatextmode tinker with video timings and - return success */ - return (user) ? 0 : -EINVAL; + c->vc_cell_height) + return -EINVAL; if (CON_IS_VISIBLE(c) && !vga_is_gfx) /* who knows */ vgacon_doresize(c, width, height); diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index 6873be034448..e24e77e31529 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -1397,6 +1397,7 @@ config FB_ATY select FB_CFB_IMAGEBLIT select FB_BACKLIGHT if FB_ATY_BACKLIGHT select FB_MACMODES if PPC + select FB_ATY_CT if SPARC64 && PCI help This driver supports graphics boards with the ATI Mach64 chips. Say Y if you have such a graphics board. @@ -1407,7 +1408,6 @@ config FB_ATY config FB_ATY_CT bool "Mach64 CT/VT/GT/LT (incl. 3D RAGE) support" depends on PCI && FB_ATY - default y if SPARC64 && PCI help Say Y here to support use of ATI's 64-bit Rage boards (or other boards based on the Mach64 CT, VT, GT, and LT chipsets) as a diff --git a/drivers/video/fbdev/core/fbcmap.c b/drivers/video/fbdev/core/fbcmap.c index 2811c4afde01..e8ea76848104 100644 --- a/drivers/video/fbdev/core/fbcmap.c +++ b/drivers/video/fbdev/core/fbcmap.c @@ -101,17 +101,17 @@ int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags) if (!len) return 0; - cmap->red = kmalloc(size, flags); + cmap->red = kzalloc(size, flags); if (!cmap->red) goto fail; - cmap->green = kmalloc(size, flags); + cmap->green = kzalloc(size, flags); if (!cmap->green) goto fail; - cmap->blue = kmalloc(size, flags); + cmap->blue = kzalloc(size, flags); if (!cmap->blue) goto fail; if (transp) { - cmap->transp = kmalloc(size, flags); + cmap->transp = kzalloc(size, flags); if (!cmap->transp) goto fail; } else { diff --git a/drivers/video/fbdev/hgafb.c b/drivers/video/fbdev/hgafb.c index 4a397c7c1b56..46ac8bbb376d 100644 --- a/drivers/video/fbdev/hgafb.c +++ b/drivers/video/fbdev/hgafb.c @@ -286,7 +286,7 @@ static int hga_card_detect(void) hga_vram = ioremap(0xb0000, hga_vram_len); if (!hga_vram) - goto error; + return -ENOMEM; if (request_region(0x3b0, 12, "hgafb")) release_io_ports = 1; @@ -346,13 +346,18 @@ static int hga_card_detect(void) hga_type_name = "Hercules"; break; } - return 1; + return 0; error: if (release_io_ports) release_region(0x3b0, 12); if (release_io_port) release_region(0x3bf, 1); - return 0; + + iounmap(hga_vram); + + pr_err("hgafb: HGA card not detected.\n"); + + return -EINVAL; } /** @@ -550,13 +555,11 @@ static struct fb_ops hgafb_ops = { static int hgafb_probe(struct platform_device *pdev) { struct fb_info *info; + int ret; - if (! hga_card_detect()) { - printk(KERN_INFO "hgafb: HGA card not detected.\n"); - if (hga_vram) - iounmap(hga_vram); - return -EINVAL; - } + ret = hga_card_detect(); + if (ret) + return ret; printk(KERN_INFO "hgafb: %s with %ldK of memory detected.\n", hga_type_name, hga_vram_len/1024); diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c index e2451bdb4525..883c06381e7c 100644 --- a/drivers/video/fbdev/hyperv_fb.c +++ b/drivers/video/fbdev/hyperv_fb.c @@ -712,7 +712,10 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info) goto err1; } - fb_virt = ioremap(par->mem->start, screen_fb_size); + /* + * Map the VRAM cacheable for performance. + */ + fb_virt = ioremap_wc(par->mem->start, screen_fb_size); if (!fb_virt) goto err2; diff --git a/drivers/video/fbdev/imsttfb.c b/drivers/video/fbdev/imsttfb.c index 4994a540f680..9b167f7ef6c6 100644 --- a/drivers/video/fbdev/imsttfb.c +++ b/drivers/video/fbdev/imsttfb.c @@ -1517,11 +1517,6 @@ static int imsttfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) info->fix.smem_start = addr; info->screen_base = (__u8 *)ioremap(addr, par->ramdac == IBM ? 0x400000 : 0x800000); - if (!info->screen_base) { - release_mem_region(addr, size); - framebuffer_release(info); - return -ENOMEM; - } info->fix.mmio_start = addr + 0x800000; par->dc_regs = ioremap(addr + 0x800000, 0x1000); par->cmap_regs_phys = addr + 0x840000; diff --git a/drivers/video/fbdev/pvr2fb.c b/drivers/video/fbdev/pvr2fb.c index 750a384bf191..1a015a6b682e 100644 --- a/drivers/video/fbdev/pvr2fb.c +++ b/drivers/video/fbdev/pvr2fb.c @@ -1029,6 +1029,8 @@ static int __init pvr2fb_setup(char *options) if (!options || !*options) return 0; + cable_arg[0] = output_arg[0] = 0; + while ((this_opt = strsep(&options, ","))) { if (!*this_opt) continue; diff --git a/drivers/video/fbdev/sis/init.c b/drivers/video/fbdev/sis/init.c index dfe3eb769638..fde27feae5d0 100644 --- a/drivers/video/fbdev/sis/init.c +++ b/drivers/video/fbdev/sis/init.c @@ -2428,6 +2428,11 @@ SiS_SetCRT1FIFO_630(struct SiS_Private *SiS_Pr, unsigned short ModeNo, i = 0; + if (SiS_Pr->ChipType == SIS_730) + queuedata = &FQBQData730[0]; + else + queuedata = &FQBQData[0]; + if(ModeNo > 0x13) { /* Get VCLK */ @@ -2445,12 +2450,6 @@ SiS_SetCRT1FIFO_630(struct SiS_Private *SiS_Pr, unsigned short ModeNo, /* Get half colordepth */ colorth = colortharray[(SiS_Pr->SiS_ModeType - ModeEGA)]; - if(SiS_Pr->ChipType == SIS_730) { - queuedata = &FQBQData730[0]; - } else { - queuedata = &FQBQData[0]; - } - do { templ = SiS_CalcDelay2(SiS_Pr, queuedata[i]) * VCLK * colorth; diff --git a/drivers/video/fbdev/vga16fb.c b/drivers/video/fbdev/vga16fb.c index 1acdb41a8a7c..06cee2a40a9b 100644 --- a/drivers/video/fbdev/vga16fb.c +++ b/drivers/video/fbdev/vga16fb.c @@ -243,7 +243,7 @@ static void vga16fb_update_fix(struct fb_info *info) } static void vga16fb_clock_chip(struct vga16fb_par *par, - unsigned int pixclock, + unsigned int *pixclock, const struct fb_info *info, int mul, int div) { @@ -259,14 +259,14 @@ static void vga16fb_clock_chip(struct vga16fb_par *par, { 0 /* bad */, 0x00, 0x00}}; int err; - pixclock = (pixclock * mul) / div; + *pixclock = (*pixclock * mul) / div; best = vgaclocks; - err = pixclock - best->pixclock; + err = *pixclock - best->pixclock; if (err < 0) err = -err; for (ptr = vgaclocks + 1; ptr->pixclock; ptr++) { int tmp; - tmp = pixclock - ptr->pixclock; + tmp = *pixclock - ptr->pixclock; if (tmp < 0) tmp = -tmp; if (tmp < err) { err = tmp; @@ -275,7 +275,7 @@ static void vga16fb_clock_chip(struct vga16fb_par *par, } par->misc |= best->misc; par->clkdiv = best->seq_clock_mode; - pixclock = (best->pixclock * div) / mul; + *pixclock = (best->pixclock * div) / mul; } #define FAIL(X) return -EINVAL @@ -497,10 +497,10 @@ static int vga16fb_check_var(struct fb_var_screeninfo *var, if (mode & MODE_8BPP) /* pixel clock == vga clock / 2 */ - vga16fb_clock_chip(par, var->pixclock, info, 1, 2); + vga16fb_clock_chip(par, &var->pixclock, info, 1, 2); else /* pixel clock == vga clock */ - vga16fb_clock_chip(par, var->pixclock, info, 1, 1); + vga16fb_clock_chip(par, &var->pixclock, info, 1, 1); var->red.offset = var->green.offset = var->blue.offset = var->transp.offset = 0; diff --git a/drivers/virt/fsl_hypervisor.c b/drivers/virt/fsl_hypervisor.c index 9f96c7e61387..0d11b5043db5 100644 --- a/drivers/virt/fsl_hypervisor.c +++ b/drivers/virt/fsl_hypervisor.c @@ -157,7 +157,7 @@ static long ioctl_memcpy(struct fsl_hv_ioctl_memcpy __user *p) unsigned int i; long ret = 0; - int num_pinned; /* return value from get_user_pages() */ + int num_pinned = 0; /* return value from get_user_pages_fast() */ phys_addr_t remote_paddr; /* The next address in the remote buffer */ uint32_t count; /* The number of bytes left to copy */ @@ -174,7 +174,7 @@ static long ioctl_memcpy(struct fsl_hv_ioctl_memcpy __user *p) return -EINVAL; /* - * The array of pages returned by get_user_pages() covers only + * The array of pages returned by get_user_pages_fast() covers only * page-aligned memory. Since the user buffer is probably not * page-aligned, we need to handle the discrepancy. * @@ -224,7 +224,7 @@ static long ioctl_memcpy(struct fsl_hv_ioctl_memcpy __user *p) /* * 'pages' is an array of struct page pointers that's initialized by - * get_user_pages(). + * get_user_pages_fast(). */ pages = kzalloc(num_pages * sizeof(struct page *), GFP_KERNEL); if (!pages) { @@ -241,7 +241,7 @@ static long ioctl_memcpy(struct fsl_hv_ioctl_memcpy __user *p) if (!sg_list_unaligned) { pr_debug("fsl-hv: could not allocate S/G list\n"); ret = -ENOMEM; - goto exit; + goto free_pages; } sg_list = PTR_ALIGN(sg_list_unaligned, sizeof(struct fh_sg_list)); @@ -254,7 +254,6 @@ static long ioctl_memcpy(struct fsl_hv_ioctl_memcpy __user *p) up_read(¤t->mm->mmap_sem); if (num_pinned != num_pages) { - /* get_user_pages() failed */ pr_debug("fsl-hv: could not lock source buffer\n"); ret = (num_pinned < 0) ? num_pinned : -EFAULT; goto exit; @@ -296,13 +295,13 @@ static long ioctl_memcpy(struct fsl_hv_ioctl_memcpy __user *p) virt_to_phys(sg_list), num_pages); exit: - if (pages) { - for (i = 0; i < num_pages; i++) - if (pages[i]) - put_page(pages[i]); + if (pages && (num_pinned > 0)) { + for (i = 0; i < num_pinned; i++) + put_page(pages[i]); } kfree(sg_list_unaligned); +free_pages: kfree(pages); if (!ret) diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c index dacb5919970c..d2e9d2f6a784 100644 --- a/drivers/w1/masters/mxc_w1.c +++ b/drivers/w1/masters/mxc_w1.c @@ -15,7 +15,7 @@ #include <linux/clk.h> #include <linux/delay.h> #include <linux/io.h> -#include <linux/jiffies.h> +#include <linux/ktime.h> #include <linux/module.h> #include <linux/platform_device.h> @@ -48,12 +48,12 @@ struct mxc_w1_device { static u8 mxc_w1_ds2_reset_bus(void *data) { struct mxc_w1_device *dev = data; - unsigned long timeout; + ktime_t timeout; writeb(MXC_W1_CONTROL_RPP, dev->regs + MXC_W1_CONTROL); /* Wait for reset sequence 511+512us, use 1500us for sure */ - timeout = jiffies + usecs_to_jiffies(1500); + timeout = ktime_add_us(ktime_get(), 1500); udelay(511 + 512); @@ -63,7 +63,7 @@ static u8 mxc_w1_ds2_reset_bus(void *data) /* PST bit is valid after the RPP bit is self-cleared */ if (!(ctrl & MXC_W1_CONTROL_RPP)) return !(ctrl & MXC_W1_CONTROL_PST); - } while (time_is_after_jiffies(timeout)); + } while (ktime_before(ktime_get(), timeout)); return 1; } @@ -76,12 +76,12 @@ static u8 mxc_w1_ds2_reset_bus(void *data) static u8 mxc_w1_ds2_touch_bit(void *data, u8 bit) { struct mxc_w1_device *dev = data; - unsigned long timeout; + ktime_t timeout; writeb(MXC_W1_CONTROL_WR(bit), dev->regs + MXC_W1_CONTROL); /* Wait for read/write bit (60us, Max 120us), use 200us for sure */ - timeout = jiffies + usecs_to_jiffies(200); + timeout = ktime_add_us(ktime_get(), 200); udelay(60); @@ -91,7 +91,7 @@ static u8 mxc_w1_ds2_touch_bit(void *data, u8 bit) /* RDST bit is valid after the WR1/RD bit is self-cleared */ if (!(ctrl & MXC_W1_CONTROL_WR(bit))) return !!(ctrl & MXC_W1_CONTROL_RDST); - } while (time_is_after_jiffies(timeout)); + } while (ktime_before(ktime_get(), timeout)); return 0; } diff --git a/drivers/watchdog/rdc321x_wdt.c b/drivers/watchdog/rdc321x_wdt.c index 47a8f1b1087d..4568af9a165b 100644 --- a/drivers/watchdog/rdc321x_wdt.c +++ b/drivers/watchdog/rdc321x_wdt.c @@ -244,6 +244,8 @@ static int rdc321x_wdt_probe(struct platform_device *pdev) rdc321x_wdt_device.sb_pdev = pdata->sb_pdev; rdc321x_wdt_device.base_reg = r->start; + rdc321x_wdt_device.queue = 0; + rdc321x_wdt_device.default_ticks = ticks; err = misc_register(&rdc321x_wdt_misc); if (err < 0) { @@ -258,14 +260,11 @@ static int rdc321x_wdt_probe(struct platform_device *pdev) rdc321x_wdt_device.base_reg, RDC_WDT_RST); init_completion(&rdc321x_wdt_device.stop); - rdc321x_wdt_device.queue = 0; clear_bit(0, &rdc321x_wdt_device.inuse); setup_timer(&rdc321x_wdt_device.timer, rdc321x_wdt_trigger, 0); - rdc321x_wdt_device.default_ticks = ticks; - dev_info(&pdev->dev, "watchdog init success\n"); return 0; diff --git a/drivers/xen/events/events_2l.c b/drivers/xen/events/events_2l.c index 7dd46312c180..ca729f19061d 100644 --- a/drivers/xen/events/events_2l.c +++ b/drivers/xen/events/events_2l.c @@ -46,6 +46,11 @@ static unsigned evtchn_2l_max_channels(void) return EVTCHN_2L_NR_CHANNELS; } +static void evtchn_2l_remove(evtchn_port_t evtchn, unsigned int cpu) +{ + clear_bit(evtchn, BM(per_cpu(cpu_evtchn_mask, cpu))); +} + static void evtchn_2l_bind_to_cpu(struct irq_info *info, unsigned cpu) { clear_bit(info->evtchn, BM(per_cpu(cpu_evtchn_mask, info->cpu))); @@ -70,12 +75,6 @@ static bool evtchn_2l_is_pending(unsigned port) return sync_test_bit(port, BM(&s->evtchn_pending[0])); } -static bool evtchn_2l_test_and_set_mask(unsigned port) -{ - struct shared_info *s = HYPERVISOR_shared_info; - return sync_test_and_set_bit(port, BM(&s->evtchn_mask[0])); -} - static void evtchn_2l_mask(unsigned port) { struct shared_info *s = HYPERVISOR_shared_info; @@ -90,6 +89,8 @@ static void evtchn_2l_unmask(unsigned port) BUG_ON(!irqs_disabled()); + smp_wmb(); /* All writes before unmask must be visible. */ + if (unlikely((cpu != cpu_from_evtchn(port)))) do_hypercall = 1; else { @@ -158,7 +159,7 @@ static inline xen_ulong_t active_evtchns(unsigned int cpu, * a bitset of words which contain pending event bits. The second * level is a bitset of pending events themselves. */ -static void evtchn_2l_handle_events(unsigned cpu) +static void evtchn_2l_handle_events(unsigned cpu, struct evtchn_loop_ctrl *ctrl) { int irq; xen_ulong_t pending_words; @@ -239,10 +240,7 @@ static void evtchn_2l_handle_events(unsigned cpu) /* Process port. */ port = (word_idx * BITS_PER_EVTCHN_WORD) + bit_idx; - irq = get_evtchn_to_irq(port); - - if (irq != -1) - generic_handle_irq(irq); + handle_irq_for_port(port, ctrl); bit_idx = (bit_idx + 1) % BITS_PER_EVTCHN_WORD; @@ -354,18 +352,27 @@ static void evtchn_2l_resume(void) EVTCHN_2L_NR_CHANNELS/BITS_PER_EVTCHN_WORD); } +static int evtchn_2l_percpu_deinit(unsigned int cpu) +{ + memset(per_cpu(cpu_evtchn_mask, cpu), 0, sizeof(xen_ulong_t) * + EVTCHN_2L_NR_CHANNELS/BITS_PER_EVTCHN_WORD); + + return 0; +} + static const struct evtchn_ops evtchn_ops_2l = { .max_channels = evtchn_2l_max_channels, .nr_channels = evtchn_2l_max_channels, + .remove = evtchn_2l_remove, .bind_to_cpu = evtchn_2l_bind_to_cpu, .clear_pending = evtchn_2l_clear_pending, .set_pending = evtchn_2l_set_pending, .is_pending = evtchn_2l_is_pending, - .test_and_set_mask = evtchn_2l_test_and_set_mask, .mask = evtchn_2l_mask, .unmask = evtchn_2l_unmask, .handle_events = evtchn_2l_handle_events, .resume = evtchn_2l_resume, + .percpu_deinit = evtchn_2l_percpu_deinit, }; void __init xen_evtchn_2l_init(void) diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index e4dd991e2888..56bf952de411 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -32,6 +32,10 @@ #include <linux/slab.h> #include <linux/irqnr.h> #include <linux/pci.h> +#include <linux/spinlock.h> +#include <linux/cpu.h> +#include <linux/atomic.h> +#include <linux/ktime.h> #ifdef CONFIG_X86 #include <asm/desc.h> @@ -62,6 +66,15 @@ #include "events_internal.h" +#undef MODULE_PARAM_PREFIX +#define MODULE_PARAM_PREFIX "xen." + +static uint __read_mostly event_loop_timeout = 2; +module_param(event_loop_timeout, uint, 0644); + +static uint __read_mostly event_eoi_delay = 10; +module_param(event_eoi_delay, uint, 0644); + const struct evtchn_ops *evtchn_ops; /* @@ -70,6 +83,25 @@ const struct evtchn_ops *evtchn_ops; */ static DEFINE_MUTEX(irq_mapping_update_lock); +/* + * Lock protecting event handling loop against removing event channels. + * Adding of event channels is no issue as the associated IRQ becomes active + * only after everything is setup (before request_[threaded_]irq() the handler + * can't be entered for an event, as the event channel will be unmasked only + * then). + */ +static DEFINE_RWLOCK(evtchn_rwlock); + +/* + * Lock hierarchy: + * + * irq_mapping_update_lock + * evtchn_rwlock + * IRQ-desc lock + * percpu eoi_list_lock + * irq_info->lock + */ + static LIST_HEAD(xen_irq_list_head); /* IRQ <-> VIRQ mapping. */ @@ -91,18 +123,23 @@ static bool (*pirq_needs_eoi)(unsigned irq); /* Xen will never allocate port zero for any purpose. */ #define VALID_EVTCHN(chn) ((chn) != 0) +static struct irq_info *legacy_info_ptrs[NR_IRQS_LEGACY]; + static struct irq_chip xen_dynamic_chip; +static struct irq_chip xen_lateeoi_chip; static struct irq_chip xen_percpu_chip; static struct irq_chip xen_pirq_chip; static void enable_dynirq(struct irq_data *data); static void disable_dynirq(struct irq_data *data); +static DEFINE_PER_CPU(unsigned int, irq_epoch); + static void clear_evtchn_to_irq_row(unsigned row) { unsigned col; for (col = 0; col < EVTCHN_PER_ROW; col++) - evtchn_to_irq[row][col] = -1; + WRITE_ONCE(evtchn_to_irq[row][col], -1); } static void clear_evtchn_to_irq_all(void) @@ -139,7 +176,7 @@ static int set_evtchn_to_irq(unsigned evtchn, unsigned irq) clear_evtchn_to_irq_row(row); } - evtchn_to_irq[row][col] = irq; + WRITE_ONCE(evtchn_to_irq[row][col], irq); return 0; } @@ -149,13 +186,24 @@ int get_evtchn_to_irq(unsigned evtchn) return -1; if (evtchn_to_irq[EVTCHN_ROW(evtchn)] == NULL) return -1; - return evtchn_to_irq[EVTCHN_ROW(evtchn)][EVTCHN_COL(evtchn)]; + return READ_ONCE(evtchn_to_irq[EVTCHN_ROW(evtchn)][EVTCHN_COL(evtchn)]); } /* Get info for IRQ */ struct irq_info *info_for_irq(unsigned irq) { - return irq_get_chip_data(irq); + if (irq < nr_legacy_irqs()) + return legacy_info_ptrs[irq]; + else + return irq_get_chip_data(irq); +} + +static void set_info_for_irq(unsigned int irq, struct irq_info *info) +{ + if (irq < nr_legacy_irqs()) + legacy_info_ptrs[irq] = info; + else + irq_set_chip_data(irq, info); } /* Constructors for packed IRQ information. */ @@ -173,6 +221,8 @@ static int xen_irq_info_common_setup(struct irq_info *info, info->irq = irq; info->evtchn = evtchn; info->cpu = cpu; + info->mask_reason = EVT_MASK_REASON_EXPLICIT; + raw_spin_lock_init(&info->lock); ret = set_evtchn_to_irq(evtchn, irq); if (ret < 0) @@ -239,6 +289,7 @@ static int xen_irq_info_pirq_setup(unsigned irq, static void xen_irq_info_cleanup(struct irq_info *info) { set_evtchn_to_irq(info->evtchn, -1); + xen_evtchn_port_remove(info->evtchn, info->cpu); info->evtchn = 0; } @@ -247,10 +298,14 @@ static void xen_irq_info_cleanup(struct irq_info *info) */ unsigned int evtchn_from_irq(unsigned irq) { - if (unlikely(WARN(irq >= nr_irqs, "Invalid irq %d!\n", irq))) + const struct irq_info *info = NULL; + + if (likely(irq < nr_irqs)) + info = info_for_irq(irq); + if (!info) return 0; - return info_for_irq(irq)->evtchn; + return info->evtchn; } unsigned irq_from_evtchn(unsigned int evtchn) @@ -315,6 +370,34 @@ unsigned int cpu_from_evtchn(unsigned int evtchn) return ret; } +static void do_mask(struct irq_info *info, u8 reason) +{ + unsigned long flags; + + raw_spin_lock_irqsave(&info->lock, flags); + + if (!info->mask_reason) + mask_evtchn(info->evtchn); + + info->mask_reason |= reason; + + raw_spin_unlock_irqrestore(&info->lock, flags); +} + +static void do_unmask(struct irq_info *info, u8 reason) +{ + unsigned long flags; + + raw_spin_lock_irqsave(&info->lock, flags); + + info->mask_reason &= ~reason; + + if (!info->mask_reason) + unmask_evtchn(info->evtchn); + + raw_spin_unlock_irqrestore(&info->lock, flags); +} + #ifdef CONFIG_X86 static bool pirq_check_eoi_map(unsigned irq) { @@ -369,9 +452,157 @@ void notify_remote_via_irq(int irq) } EXPORT_SYMBOL_GPL(notify_remote_via_irq); +struct lateeoi_work { + struct delayed_work delayed; + spinlock_t eoi_list_lock; + struct list_head eoi_list; +}; + +static DEFINE_PER_CPU(struct lateeoi_work, lateeoi); + +static void lateeoi_list_del(struct irq_info *info) +{ + struct lateeoi_work *eoi = &per_cpu(lateeoi, info->eoi_cpu); + unsigned long flags; + + spin_lock_irqsave(&eoi->eoi_list_lock, flags); + list_del_init(&info->eoi_list); + spin_unlock_irqrestore(&eoi->eoi_list_lock, flags); +} + +static void lateeoi_list_add(struct irq_info *info) +{ + struct lateeoi_work *eoi = &per_cpu(lateeoi, info->eoi_cpu); + struct irq_info *elem; + u64 now = get_jiffies_64(); + unsigned long delay; + unsigned long flags; + + if (now < info->eoi_time) + delay = info->eoi_time - now; + else + delay = 1; + + spin_lock_irqsave(&eoi->eoi_list_lock, flags); + + if (list_empty(&eoi->eoi_list)) { + list_add(&info->eoi_list, &eoi->eoi_list); + mod_delayed_work_on(info->eoi_cpu, system_wq, + &eoi->delayed, delay); + } else { + list_for_each_entry_reverse(elem, &eoi->eoi_list, eoi_list) { + if (elem->eoi_time <= info->eoi_time) + break; + } + list_add(&info->eoi_list, &elem->eoi_list); + } + + spin_unlock_irqrestore(&eoi->eoi_list_lock, flags); +} + +static void xen_irq_lateeoi_locked(struct irq_info *info, bool spurious) +{ + evtchn_port_t evtchn; + unsigned int cpu; + unsigned int delay = 0; + + evtchn = info->evtchn; + if (!VALID_EVTCHN(evtchn) || !list_empty(&info->eoi_list)) + return; + + if (spurious) { + if ((1 << info->spurious_cnt) < (HZ << 2)) + info->spurious_cnt++; + if (info->spurious_cnt > 1) { + delay = 1 << (info->spurious_cnt - 2); + if (delay > HZ) + delay = HZ; + if (!info->eoi_time) + info->eoi_cpu = smp_processor_id(); + info->eoi_time = get_jiffies_64() + delay; + } + } else { + info->spurious_cnt = 0; + } + + cpu = info->eoi_cpu; + if (info->eoi_time && + (info->irq_epoch == per_cpu(irq_epoch, cpu) || delay)) { + lateeoi_list_add(info); + return; + } + + info->eoi_time = 0; + do_unmask(info, EVT_MASK_REASON_EOI_PENDING); +} + +static void xen_irq_lateeoi_worker(struct work_struct *work) +{ + struct lateeoi_work *eoi; + struct irq_info *info; + u64 now = get_jiffies_64(); + unsigned long flags; + + eoi = container_of(to_delayed_work(work), struct lateeoi_work, delayed); + + read_lock_irqsave(&evtchn_rwlock, flags); + + while (true) { + spin_lock(&eoi->eoi_list_lock); + + info = list_first_entry_or_null(&eoi->eoi_list, struct irq_info, + eoi_list); + + if (info == NULL || now < info->eoi_time) { + spin_unlock(&eoi->eoi_list_lock); + break; + } + + list_del_init(&info->eoi_list); + + spin_unlock(&eoi->eoi_list_lock); + + info->eoi_time = 0; + + xen_irq_lateeoi_locked(info, false); + } + + if (info) + mod_delayed_work_on(info->eoi_cpu, system_wq, + &eoi->delayed, info->eoi_time - now); + + read_unlock_irqrestore(&evtchn_rwlock, flags); +} + +static void xen_cpu_init_eoi(unsigned int cpu) +{ + struct lateeoi_work *eoi = &per_cpu(lateeoi, cpu); + + INIT_DELAYED_WORK(&eoi->delayed, xen_irq_lateeoi_worker); + spin_lock_init(&eoi->eoi_list_lock); + INIT_LIST_HEAD(&eoi->eoi_list); +} + +void xen_irq_lateeoi(unsigned int irq, unsigned int eoi_flags) +{ + struct irq_info *info; + unsigned long flags; + + read_lock_irqsave(&evtchn_rwlock, flags); + + info = info_for_irq(irq); + + if (info) + xen_irq_lateeoi_locked(info, eoi_flags & XEN_EOI_FLAG_SPURIOUS); + + read_unlock_irqrestore(&evtchn_rwlock, flags); +} +EXPORT_SYMBOL_GPL(xen_irq_lateeoi); + static void xen_irq_init(unsigned irq) { struct irq_info *info; + #ifdef CONFIG_SMP /* By default all event channels notify CPU#0. */ cpumask_copy(irq_get_affinity_mask(irq), cpumask_of(0)); @@ -384,8 +615,9 @@ static void xen_irq_init(unsigned irq) info->type = IRQT_UNBOUND; info->refcnt = -1; - irq_set_chip_data(irq, info); + set_info_for_irq(irq, info); + INIT_LIST_HEAD(&info->eoi_list); list_add_tail(&info->list, &xen_irq_list_head); } @@ -433,17 +665,25 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi) static void xen_free_irq(unsigned irq) { - struct irq_info *info = irq_get_chip_data(irq); + struct irq_info *info = info_for_irq(irq); + unsigned long flags; if (WARN_ON(!info)) return; + write_lock_irqsave(&evtchn_rwlock, flags); + + if (!list_empty(&info->eoi_list)) + lateeoi_list_del(info); + list_del(&info->list); - irq_set_chip_data(irq, NULL); + set_info_for_irq(irq, NULL); WARN_ON(info->refcnt > 0); + write_unlock_irqrestore(&evtchn_rwlock, flags); + kfree(info); /* Legacy IRQ descriptors are managed by the arch. */ @@ -462,6 +702,12 @@ static void xen_evtchn_close(unsigned int port) BUG(); } +static void event_handler_exit(struct irq_info *info) +{ + smp_store_release(&info->is_active, 0); + clear_evtchn(info->evtchn); +} + static void pirq_query_unmask(int irq) { struct physdev_irq_status_query irq_status; @@ -480,7 +726,8 @@ static void pirq_query_unmask(int irq) static void eoi_pirq(struct irq_data *data) { - int evtchn = evtchn_from_irq(data->irq); + struct irq_info *info = info_for_irq(data->irq); + int evtchn = info ? info->evtchn : 0; struct physdev_eoi eoi = { .irq = pirq_from_irq(data->irq) }; int rc = 0; @@ -489,16 +736,15 @@ static void eoi_pirq(struct irq_data *data) if (unlikely(irqd_is_setaffinity_pending(data)) && likely(!irqd_irq_disabled(data))) { - int masked = test_and_set_mask(evtchn); + do_mask(info, EVT_MASK_REASON_TEMPORARY); - clear_evtchn(evtchn); + event_handler_exit(info); irq_move_masked_irq(data); - if (!masked) - unmask_evtchn(evtchn); + do_unmask(info, EVT_MASK_REASON_TEMPORARY); } else - clear_evtchn(evtchn); + event_handler_exit(info); if (pirq_needs_eoi(data->irq)) { rc = HYPERVISOR_physdev_op(PHYSDEVOP_eoi, &eoi); @@ -549,7 +795,8 @@ static unsigned int __startup_pirq(unsigned int irq) goto err; out: - unmask_evtchn(evtchn); + do_unmask(info, EVT_MASK_REASON_EXPLICIT); + eoi_pirq(irq_get_irq_data(irq)); return 0; @@ -576,7 +823,7 @@ static void shutdown_pirq(struct irq_data *data) if (!VALID_EVTCHN(evtchn)) return; - mask_evtchn(evtchn); + do_mask(info, EVT_MASK_REASON_EXPLICIT); xen_evtchn_close(evtchn); xen_irq_info_cleanup(info); } @@ -610,7 +857,7 @@ EXPORT_SYMBOL_GPL(xen_irq_from_gsi); static void __unbind_from_irq(unsigned int irq) { int evtchn = evtchn_from_irq(irq); - struct irq_info *info = irq_get_chip_data(irq); + struct irq_info *info = info_for_irq(irq); if (info->refcnt > 0) { info->refcnt--; @@ -835,7 +1082,7 @@ int xen_pirq_from_irq(unsigned irq) } EXPORT_SYMBOL_GPL(xen_pirq_from_irq); -int bind_evtchn_to_irq(unsigned int evtchn) +static int bind_evtchn_to_irq_chip(evtchn_port_t evtchn, struct irq_chip *chip) { int irq; int ret; @@ -852,7 +1099,7 @@ int bind_evtchn_to_irq(unsigned int evtchn) if (irq < 0) goto out; - irq_set_chip_and_handler_name(irq, &xen_dynamic_chip, + irq_set_chip_and_handler_name(irq, chip, handle_edge_irq, "event"); ret = xen_irq_info_evtchn_setup(irq, evtchn); @@ -873,8 +1120,19 @@ out: return irq; } + +int bind_evtchn_to_irq(evtchn_port_t evtchn) +{ + return bind_evtchn_to_irq_chip(evtchn, &xen_dynamic_chip); +} EXPORT_SYMBOL_GPL(bind_evtchn_to_irq); +int bind_evtchn_to_irq_lateeoi(evtchn_port_t evtchn) +{ + return bind_evtchn_to_irq_chip(evtchn, &xen_lateeoi_chip); +} +EXPORT_SYMBOL_GPL(bind_evtchn_to_irq_lateeoi); + static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu) { struct evtchn_bind_ipi bind_ipi; @@ -916,8 +1174,9 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu) return irq; } -int bind_interdomain_evtchn_to_irq(unsigned int remote_domain, - unsigned int remote_port) +static int bind_interdomain_evtchn_to_irq_chip(unsigned int remote_domain, + evtchn_port_t remote_port, + struct irq_chip *chip) { struct evtchn_bind_interdomain bind_interdomain; int err; @@ -928,10 +1187,26 @@ int bind_interdomain_evtchn_to_irq(unsigned int remote_domain, err = HYPERVISOR_event_channel_op(EVTCHNOP_bind_interdomain, &bind_interdomain); - return err ? : bind_evtchn_to_irq(bind_interdomain.local_port); + return err ? : bind_evtchn_to_irq_chip(bind_interdomain.local_port, + chip); +} + +int bind_interdomain_evtchn_to_irq(unsigned int remote_domain, + evtchn_port_t remote_port) +{ + return bind_interdomain_evtchn_to_irq_chip(remote_domain, remote_port, + &xen_dynamic_chip); } EXPORT_SYMBOL_GPL(bind_interdomain_evtchn_to_irq); +int bind_interdomain_evtchn_to_irq_lateeoi(unsigned int remote_domain, + evtchn_port_t remote_port) +{ + return bind_interdomain_evtchn_to_irq_chip(remote_domain, remote_port, + &xen_lateeoi_chip); +} +EXPORT_SYMBOL_GPL(bind_interdomain_evtchn_to_irq_lateeoi); + static int find_virq(unsigned int virq, unsigned int cpu) { struct evtchn_status status; @@ -1027,14 +1302,15 @@ static void unbind_from_irq(unsigned int irq) mutex_unlock(&irq_mapping_update_lock); } -int bind_evtchn_to_irqhandler(unsigned int evtchn, - irq_handler_t handler, - unsigned long irqflags, - const char *devname, void *dev_id) +static int bind_evtchn_to_irqhandler_chip(evtchn_port_t evtchn, + irq_handler_t handler, + unsigned long irqflags, + const char *devname, void *dev_id, + struct irq_chip *chip) { int irq, retval; - irq = bind_evtchn_to_irq(evtchn); + irq = bind_evtchn_to_irq_chip(evtchn, chip); if (irq < 0) return irq; retval = request_irq(irq, handler, irqflags, devname, dev_id); @@ -1045,18 +1321,38 @@ int bind_evtchn_to_irqhandler(unsigned int evtchn, return irq; } + +int bind_evtchn_to_irqhandler(evtchn_port_t evtchn, + irq_handler_t handler, + unsigned long irqflags, + const char *devname, void *dev_id) +{ + return bind_evtchn_to_irqhandler_chip(evtchn, handler, irqflags, + devname, dev_id, + &xen_dynamic_chip); +} EXPORT_SYMBOL_GPL(bind_evtchn_to_irqhandler); -int bind_interdomain_evtchn_to_irqhandler(unsigned int remote_domain, - unsigned int remote_port, - irq_handler_t handler, - unsigned long irqflags, - const char *devname, - void *dev_id) +int bind_evtchn_to_irqhandler_lateeoi(evtchn_port_t evtchn, + irq_handler_t handler, + unsigned long irqflags, + const char *devname, void *dev_id) +{ + return bind_evtchn_to_irqhandler_chip(evtchn, handler, irqflags, + devname, dev_id, + &xen_lateeoi_chip); +} +EXPORT_SYMBOL_GPL(bind_evtchn_to_irqhandler_lateeoi); + +static int bind_interdomain_evtchn_to_irqhandler_chip( + unsigned int remote_domain, evtchn_port_t remote_port, + irq_handler_t handler, unsigned long irqflags, + const char *devname, void *dev_id, struct irq_chip *chip) { int irq, retval; - irq = bind_interdomain_evtchn_to_irq(remote_domain, remote_port); + irq = bind_interdomain_evtchn_to_irq_chip(remote_domain, remote_port, + chip); if (irq < 0) return irq; @@ -1068,8 +1364,33 @@ int bind_interdomain_evtchn_to_irqhandler(unsigned int remote_domain, return irq; } + +int bind_interdomain_evtchn_to_irqhandler(unsigned int remote_domain, + evtchn_port_t remote_port, + irq_handler_t handler, + unsigned long irqflags, + const char *devname, + void *dev_id) +{ + return bind_interdomain_evtchn_to_irqhandler_chip(remote_domain, + remote_port, handler, irqflags, devname, + dev_id, &xen_dynamic_chip); +} EXPORT_SYMBOL_GPL(bind_interdomain_evtchn_to_irqhandler); +int bind_interdomain_evtchn_to_irqhandler_lateeoi(unsigned int remote_domain, + evtchn_port_t remote_port, + irq_handler_t handler, + unsigned long irqflags, + const char *devname, + void *dev_id) +{ + return bind_interdomain_evtchn_to_irqhandler_chip(remote_domain, + remote_port, handler, irqflags, devname, + dev_id, &xen_lateeoi_chip); +} +EXPORT_SYMBOL_GPL(bind_interdomain_evtchn_to_irqhandler_lateeoi); + int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu, irq_handler_t handler, unsigned long irqflags, const char *devname, void *dev_id) @@ -1114,7 +1435,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi, void unbind_from_irqhandler(unsigned int irq, void *dev_id) { - struct irq_info *info = irq_get_chip_data(irq); + struct irq_info *info = info_for_irq(irq); if (WARN_ON(!info)) return; @@ -1148,7 +1469,7 @@ int evtchn_make_refcounted(unsigned int evtchn) if (irq == -1) return -ENOENT; - info = irq_get_chip_data(irq); + info = info_for_irq(irq); if (!info) return -ENOENT; @@ -1176,13 +1497,13 @@ int evtchn_get(unsigned int evtchn) if (irq == -1) goto done; - info = irq_get_chip_data(irq); + info = info_for_irq(irq); if (!info) goto done; err = -EINVAL; - if (info->refcnt <= 0) + if (info->refcnt <= 0 || info->refcnt == SHRT_MAX) goto done; info->refcnt++; @@ -1220,6 +1541,56 @@ void xen_send_IPI_one(unsigned int cpu, enum ipi_vector vector) notify_remote_via_irq(irq); } +struct evtchn_loop_ctrl { + ktime_t timeout; + unsigned count; + bool defer_eoi; +}; + +void handle_irq_for_port(evtchn_port_t port, struct evtchn_loop_ctrl *ctrl) +{ + int irq; + struct irq_info *info; + + irq = get_evtchn_to_irq(port); + if (irq == -1) + return; + + /* + * Check for timeout every 256 events. + * We are setting the timeout value only after the first 256 + * events in order to not hurt the common case of few loop + * iterations. The 256 is basically an arbitrary value. + * + * In case we are hitting the timeout we need to defer all further + * EOIs in order to ensure to leave the event handling loop rather + * sooner than later. + */ + if (!ctrl->defer_eoi && !(++ctrl->count & 0xff)) { + ktime_t kt = ktime_get(); + + if (!ctrl->timeout.tv64) { + kt = ktime_add_ms(kt, + jiffies_to_msecs(event_loop_timeout)); + ctrl->timeout = kt; + } else if (kt.tv64 > ctrl->timeout.tv64) { + ctrl->defer_eoi = true; + } + } + + info = info_for_irq(irq); + if (xchg_acquire(&info->is_active, 1)) + return; + + if (ctrl->defer_eoi) { + info->eoi_cpu = smp_processor_id(); + info->irq_epoch = __this_cpu_read(irq_epoch); + info->eoi_time = get_jiffies_64() + event_eoi_delay; + } + + generic_handle_irq(irq); +} + static DEFINE_PER_CPU(unsigned, xed_nesting_count); static void __xen_evtchn_do_upcall(void) @@ -1227,6 +1598,9 @@ static void __xen_evtchn_do_upcall(void) struct vcpu_info *vcpu_info = __this_cpu_read(xen_vcpu); int cpu = get_cpu(); unsigned count; + struct evtchn_loop_ctrl ctrl = { 0 }; + + read_lock(&evtchn_rwlock); do { vcpu_info->evtchn_upcall_pending = 0; @@ -1234,7 +1608,7 @@ static void __xen_evtchn_do_upcall(void) if (__this_cpu_inc_return(xed_nesting_count) - 1) goto out; - xen_evtchn_handle_events(cpu); + xen_evtchn_handle_events(cpu, &ctrl); BUG_ON(!irqs_disabled()); @@ -1243,6 +1617,14 @@ static void __xen_evtchn_do_upcall(void) } while (count != 1 || vcpu_info->evtchn_upcall_pending); out: + read_unlock(&evtchn_rwlock); + + /* + * Increment irq_epoch only now to defer EOIs only for + * xen_irq_lateeoi() invocations occurring from inside the loop + * above. + */ + __this_cpu_inc(irq_epoch); put_cpu(); } @@ -1305,8 +1687,8 @@ void rebind_evtchn_irq(int evtchn, int irq) static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu) { struct evtchn_bind_vcpu bind_vcpu; - int evtchn = evtchn_from_irq(irq); - int masked; + struct irq_info *info = info_for_irq(irq); + int evtchn = info ? info->evtchn : 0; if (!VALID_EVTCHN(evtchn)) return -1; @@ -1322,7 +1704,7 @@ static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu) * Mask the event while changing the VCPU binding to prevent * it being delivered on an unexpected VCPU. */ - masked = test_and_set_mask(evtchn); + do_mask(info, EVT_MASK_REASON_TEMPORARY); /* * If this fails, it usually just indicates that we're dealing with a @@ -1332,8 +1714,7 @@ static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu) if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_vcpu, &bind_vcpu) >= 0) bind_evtchn_to_cpu(evtchn, tcpu); - if (!masked) - unmask_evtchn(evtchn); + do_unmask(info, EVT_MASK_REASON_TEMPORARY); return 0; } @@ -1348,39 +1729,41 @@ static int set_affinity_irq(struct irq_data *data, const struct cpumask *dest, static void enable_dynirq(struct irq_data *data) { - int evtchn = evtchn_from_irq(data->irq); + struct irq_info *info = info_for_irq(data->irq); + evtchn_port_t evtchn = info ? info->evtchn : 0; if (VALID_EVTCHN(evtchn)) - unmask_evtchn(evtchn); + do_unmask(info, EVT_MASK_REASON_EXPLICIT); } static void disable_dynirq(struct irq_data *data) { - int evtchn = evtchn_from_irq(data->irq); + struct irq_info *info = info_for_irq(data->irq); + evtchn_port_t evtchn = info ? info->evtchn : 0; if (VALID_EVTCHN(evtchn)) - mask_evtchn(evtchn); + do_mask(info, EVT_MASK_REASON_EXPLICIT); } static void ack_dynirq(struct irq_data *data) { - int evtchn = evtchn_from_irq(data->irq); + struct irq_info *info = info_for_irq(data->irq); + evtchn_port_t evtchn = info ? info->evtchn : 0; if (!VALID_EVTCHN(evtchn)) return; if (unlikely(irqd_is_setaffinity_pending(data)) && likely(!irqd_irq_disabled(data))) { - int masked = test_and_set_mask(evtchn); + do_mask(info, EVT_MASK_REASON_TEMPORARY); - clear_evtchn(evtchn); + event_handler_exit(info); irq_move_masked_irq(data); - if (!masked) - unmask_evtchn(evtchn); + do_unmask(info, EVT_MASK_REASON_TEMPORARY); } else - clear_evtchn(evtchn); + event_handler_exit(info); } static void mask_ack_dynirq(struct irq_data *data) @@ -1389,18 +1772,39 @@ static void mask_ack_dynirq(struct irq_data *data) ack_dynirq(data); } +static void lateeoi_ack_dynirq(struct irq_data *data) +{ + struct irq_info *info = info_for_irq(data->irq); + evtchn_port_t evtchn = info ? info->evtchn : 0; + + if (VALID_EVTCHN(evtchn)) { + do_mask(info, EVT_MASK_REASON_EOI_PENDING); + ack_dynirq(data); + } +} + +static void lateeoi_mask_ack_dynirq(struct irq_data *data) +{ + struct irq_info *info = info_for_irq(data->irq); + evtchn_port_t evtchn = info ? info->evtchn : 0; + + if (VALID_EVTCHN(evtchn)) { + do_mask(info, EVT_MASK_REASON_EXPLICIT); + ack_dynirq(data); + } +} + static int retrigger_dynirq(struct irq_data *data) { - unsigned int evtchn = evtchn_from_irq(data->irq); - int masked; + struct irq_info *info = info_for_irq(data->irq); + evtchn_port_t evtchn = info ? info->evtchn : 0; if (!VALID_EVTCHN(evtchn)) return 0; - masked = test_and_set_mask(evtchn); + do_mask(info, EVT_MASK_REASON_TEMPORARY); set_evtchn(evtchn); - if (!masked) - unmask_evtchn(evtchn); + do_unmask(info, EVT_MASK_REASON_TEMPORARY); return 1; } @@ -1495,10 +1899,11 @@ static void restore_cpu_ipis(unsigned int cpu) /* Clear an irq's pending state, in preparation for polling on it */ void xen_clear_irq_pending(int irq) { - int evtchn = evtchn_from_irq(irq); + struct irq_info *info = info_for_irq(irq); + evtchn_port_t evtchn = info ? info->evtchn : 0; if (VALID_EVTCHN(evtchn)) - clear_evtchn(evtchn); + event_handler_exit(info); } EXPORT_SYMBOL(xen_clear_irq_pending); void xen_set_irq_pending(int irq) @@ -1599,6 +2004,21 @@ static struct irq_chip xen_dynamic_chip __read_mostly = { .irq_retrigger = retrigger_dynirq, }; +static struct irq_chip xen_lateeoi_chip __read_mostly = { + /* The chip name needs to contain "xen-dyn" for irqbalance to work. */ + .name = "xen-dyn-lateeoi", + + .irq_disable = disable_dynirq, + .irq_mask = disable_dynirq, + .irq_unmask = enable_dynirq, + + .irq_ack = lateeoi_ack_dynirq, + .irq_mask_ack = lateeoi_mask_ack_dynirq, + + .irq_set_affinity = set_affinity_irq, + .irq_retrigger = retrigger_dynirq, +}; + static struct irq_chip xen_pirq_chip __read_mostly = { .name = "xen-pirq", @@ -1666,12 +2086,55 @@ void xen_callback_vector(void) void xen_callback_vector(void) {} #endif -#undef MODULE_PARAM_PREFIX -#define MODULE_PARAM_PREFIX "xen." - static bool fifo_events = true; module_param(fifo_events, bool, 0); +static int xen_evtchn_cpu_prepare(unsigned int cpu) +{ + int ret = 0; + + xen_cpu_init_eoi(cpu); + + if (evtchn_ops->percpu_init) + ret = evtchn_ops->percpu_init(cpu); + + return ret; +} + +static int xen_evtchn_cpu_dead(unsigned int cpu) +{ + int ret = 0; + + if (evtchn_ops->percpu_deinit) + ret = evtchn_ops->percpu_deinit(cpu); + + return ret; +} + +static int evtchn_cpu_notification(struct notifier_block *self, + unsigned long action, void *hcpu) +{ + int cpu = (long)hcpu; + int ret = 0; + + switch (action) { + case CPU_UP_PREPARE: + ret = xen_evtchn_cpu_prepare(cpu); + break; + case CPU_DEAD: + ret = xen_evtchn_cpu_dead(cpu); + break; + default: + break; + } + + return ret < 0 ? NOTIFY_BAD : NOTIFY_OK; +} + +static struct notifier_block evtchn_cpu_notifier = { + .notifier_call = evtchn_cpu_notification, +}; + void __init xen_init_IRQ(void) { int ret = -EINVAL; @@ -1681,6 +2144,10 @@ void __init xen_init_IRQ(void) if (ret < 0) xen_evtchn_2l_init(); + xen_cpu_init_eoi(smp_processor_id()); + + register_cpu_notifier(&evtchn_cpu_notifier); + evtchn_to_irq = kcalloc(EVTCHN_ROW(xen_evtchn_max_channels()), sizeof(*evtchn_to_irq), GFP_KERNEL); BUG_ON(!evtchn_to_irq); diff --git a/drivers/xen/events/events_fifo.c b/drivers/xen/events/events_fifo.c index 96a1b8da5371..5e6ff2120132 100644 --- a/drivers/xen/events/events_fifo.c +++ b/drivers/xen/events/events_fifo.c @@ -209,12 +209,6 @@ static bool evtchn_fifo_is_pending(unsigned port) return sync_test_bit(EVTCHN_FIFO_BIT(PENDING, word), BM(word)); } -static bool evtchn_fifo_test_and_set_mask(unsigned port) -{ - event_word_t *word = event_word_from_port(port); - return sync_test_and_set_bit(EVTCHN_FIFO_BIT(MASKED, word), BM(word)); -} - static void evtchn_fifo_mask(unsigned port) { event_word_t *word = event_word_from_port(port); @@ -227,19 +221,25 @@ static bool evtchn_fifo_is_masked(unsigned port) return sync_test_bit(EVTCHN_FIFO_BIT(MASKED, word), BM(word)); } /* - * Clear MASKED, spinning if BUSY is set. + * Clear MASKED if not PENDING, spinning if BUSY is set. + * Return true if mask was cleared. */ -static void clear_masked(volatile event_word_t *word) +static bool clear_masked_cond(volatile event_word_t *word) { event_word_t new, old, w; w = *word; do { + if (w & (1 << EVTCHN_FIFO_PENDING)) + return false; + old = w & ~(1 << EVTCHN_FIFO_BUSY); new = old & ~(1 << EVTCHN_FIFO_MASKED); w = sync_cmpxchg(word, old, new); } while (w != old); + + return true; } static void evtchn_fifo_unmask(unsigned port) @@ -248,8 +248,7 @@ static void evtchn_fifo_unmask(unsigned port) BUG_ON(!irqs_disabled()); - clear_masked(word); - if (evtchn_fifo_is_pending(port)) { + if (!clear_masked_cond(word)) { struct evtchn_unmask unmask = { .port = port }; (void)HYPERVISOR_event_channel_op(EVTCHNOP_unmask, &unmask); } @@ -270,19 +269,9 @@ static uint32_t clear_linked(volatile event_word_t *word) return w & EVTCHN_FIFO_LINK_MASK; } -static void handle_irq_for_port(unsigned port) -{ - int irq; - - irq = get_evtchn_to_irq(port); - if (irq != -1) - generic_handle_irq(irq); -} - -static void consume_one_event(unsigned cpu, +static void consume_one_event(unsigned cpu, struct evtchn_loop_ctrl *ctrl, struct evtchn_fifo_control_block *control_block, - unsigned priority, unsigned long *ready, - bool drop) + unsigned priority, unsigned long *ready) { struct evtchn_fifo_queue *q = &per_cpu(cpu_queue, cpu); uint32_t head; @@ -315,16 +304,17 @@ static void consume_one_event(unsigned cpu, clear_bit(priority, ready); if (evtchn_fifo_is_pending(port) && !evtchn_fifo_is_masked(port)) { - if (unlikely(drop)) + if (unlikely(!ctrl)) pr_warn("Dropping pending event for port %u\n", port); else - handle_irq_for_port(port); + handle_irq_for_port(port, ctrl); } q->head[priority] = head; } -static void __evtchn_fifo_handle_events(unsigned cpu, bool drop) +static void __evtchn_fifo_handle_events(unsigned cpu, + struct evtchn_loop_ctrl *ctrl) { struct evtchn_fifo_control_block *control_block; unsigned long ready; @@ -336,14 +326,15 @@ static void __evtchn_fifo_handle_events(unsigned cpu, bool drop) while (ready) { q = find_first_bit(&ready, EVTCHN_FIFO_MAX_QUEUES); - consume_one_event(cpu, control_block, q, &ready, drop); + consume_one_event(cpu, ctrl, control_block, q, &ready); ready |= xchg(&control_block->ready, 0); } } -static void evtchn_fifo_handle_events(unsigned cpu) +static void evtchn_fifo_handle_events(unsigned cpu, + struct evtchn_loop_ctrl *ctrl) { - __evtchn_fifo_handle_events(cpu, false); + __evtchn_fifo_handle_events(cpu, ctrl); } static void evtchn_fifo_resume(void) @@ -381,21 +372,6 @@ static void evtchn_fifo_resume(void) event_array_pages = 0; } -static const struct evtchn_ops evtchn_ops_fifo = { - .max_channels = evtchn_fifo_max_channels, - .nr_channels = evtchn_fifo_nr_channels, - .setup = evtchn_fifo_setup, - .bind_to_cpu = evtchn_fifo_bind_to_cpu, - .clear_pending = evtchn_fifo_clear_pending, - .set_pending = evtchn_fifo_set_pending, - .is_pending = evtchn_fifo_is_pending, - .test_and_set_mask = evtchn_fifo_test_and_set_mask, - .mask = evtchn_fifo_mask, - .unmask = evtchn_fifo_unmask, - .handle_events = evtchn_fifo_handle_events, - .resume = evtchn_fifo_resume, -}; - static int evtchn_fifo_alloc_control_block(unsigned cpu) { void *control_block = NULL; @@ -418,29 +394,33 @@ static int evtchn_fifo_alloc_control_block(unsigned cpu) return ret; } -static int evtchn_fifo_cpu_notification(struct notifier_block *self, - unsigned long action, - void *hcpu) +static int evtchn_fifo_percpu_init(unsigned int cpu) { - int cpu = (long)hcpu; - int ret = 0; - - switch (action) { - case CPU_UP_PREPARE: - if (!per_cpu(cpu_control_block, cpu)) - ret = evtchn_fifo_alloc_control_block(cpu); - break; - case CPU_DEAD: - __evtchn_fifo_handle_events(cpu, true); - break; - default: - break; - } - return ret < 0 ? NOTIFY_BAD : NOTIFY_OK; + if (!per_cpu(cpu_control_block, cpu)) + return evtchn_fifo_alloc_control_block(cpu); + return 0; } -static struct notifier_block evtchn_fifo_cpu_notifier = { - .notifier_call = evtchn_fifo_cpu_notification, +static int evtchn_fifo_percpu_deinit(unsigned int cpu) +{ + __evtchn_fifo_handle_events(cpu, NULL); + return 0; +} + +static const struct evtchn_ops evtchn_ops_fifo = { + .max_channels = evtchn_fifo_max_channels, + .nr_channels = evtchn_fifo_nr_channels, + .setup = evtchn_fifo_setup, + .bind_to_cpu = evtchn_fifo_bind_to_cpu, + .clear_pending = evtchn_fifo_clear_pending, + .set_pending = evtchn_fifo_set_pending, + .is_pending = evtchn_fifo_is_pending, + .mask = evtchn_fifo_mask, + .unmask = evtchn_fifo_unmask, + .handle_events = evtchn_fifo_handle_events, + .resume = evtchn_fifo_resume, + .percpu_init = evtchn_fifo_percpu_init, + .percpu_deinit = evtchn_fifo_percpu_deinit, }; int __init xen_evtchn_fifo_init(void) @@ -456,7 +436,6 @@ int __init xen_evtchn_fifo_init(void) evtchn_ops = &evtchn_ops_fifo; - register_cpu_notifier(&evtchn_fifo_cpu_notifier); out: put_cpu(); return ret; diff --git a/drivers/xen/events/events_internal.h b/drivers/xen/events/events_internal.h index 50c2050a1e32..cc37b711491c 100644 --- a/drivers/xen/events/events_internal.h +++ b/drivers/xen/events/events_internal.h @@ -32,11 +32,22 @@ enum xen_irq_type { */ struct irq_info { struct list_head list; - int refcnt; - enum xen_irq_type type; /* type */ + struct list_head eoi_list; + short refcnt; + short spurious_cnt; + short type; /* type */ + u8 mask_reason; /* Why is event channel masked */ +#define EVT_MASK_REASON_EXPLICIT 0x01 +#define EVT_MASK_REASON_TEMPORARY 0x02 +#define EVT_MASK_REASON_EOI_PENDING 0x04 + u8 is_active; /* Is event just being handled? */ unsigned irq; unsigned int evtchn; /* event channel */ unsigned short cpu; /* cpu bound */ + unsigned short eoi_cpu; /* EOI must happen on this cpu */ + unsigned int irq_epoch; /* If eoi_cpu valid: irq_epoch of event */ + u64 eoi_time; /* Time in jiffies when to EOI. */ + raw_spinlock_t lock; union { unsigned short virq; @@ -55,28 +66,34 @@ struct irq_info { #define PIRQ_SHAREABLE (1 << 1) #define PIRQ_MSI_GROUP (1 << 2) +struct evtchn_loop_ctrl; + struct evtchn_ops { unsigned (*max_channels)(void); unsigned (*nr_channels)(void); int (*setup)(struct irq_info *info); + void (*remove)(evtchn_port_t port, unsigned int cpu); void (*bind_to_cpu)(struct irq_info *info, unsigned cpu); void (*clear_pending)(unsigned port); void (*set_pending)(unsigned port); bool (*is_pending)(unsigned port); - bool (*test_and_set_mask)(unsigned port); void (*mask)(unsigned port); void (*unmask)(unsigned port); - void (*handle_events)(unsigned cpu); + void (*handle_events)(unsigned cpu, struct evtchn_loop_ctrl *ctrl); void (*resume)(void); + + int (*percpu_init)(unsigned int cpu); + int (*percpu_deinit)(unsigned int cpu); }; extern const struct evtchn_ops *evtchn_ops; extern int **evtchn_to_irq; int get_evtchn_to_irq(unsigned int evtchn); +void handle_irq_for_port(evtchn_port_t port, struct evtchn_loop_ctrl *ctrl); struct irq_info *info_for_irq(unsigned irq); unsigned cpu_from_irq(unsigned irq); @@ -98,6 +115,13 @@ static inline int xen_evtchn_port_setup(struct irq_info *info) return 0; } +static inline void xen_evtchn_port_remove(evtchn_port_t evtchn, + unsigned int cpu) +{ + if (evtchn_ops->remove) + evtchn_ops->remove(evtchn, cpu); +} + static inline void xen_evtchn_port_bind_to_cpu(struct irq_info *info, unsigned cpu) { @@ -119,11 +143,6 @@ static inline bool test_evtchn(unsigned port) return evtchn_ops->is_pending(port); } -static inline bool test_and_set_mask(unsigned port) -{ - return evtchn_ops->test_and_set_mask(port); -} - static inline void mask_evtchn(unsigned port) { return evtchn_ops->mask(port); @@ -134,9 +153,10 @@ static inline void unmask_evtchn(unsigned port) return evtchn_ops->unmask(port); } -static inline void xen_evtchn_handle_events(unsigned cpu) +static inline void xen_evtchn_handle_events(unsigned cpu, + struct evtchn_loop_ctrl *ctrl) { - return evtchn_ops->handle_events(cpu); + return evtchn_ops->handle_events(cpu, ctrl); } static inline void xen_evtchn_resume(void) diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c index f4edd6df3df2..96c3007576b6 100644 --- a/drivers/xen/evtchn.c +++ b/drivers/xen/evtchn.c @@ -173,7 +173,6 @@ static irqreturn_t evtchn_interrupt(int irq, void *data) "Interrupt for port %d, but apparently not enabled; per-user %p\n", evtchn->port, u); - disable_irq_nosync(irq); evtchn->enabled = false; spin_lock(&u->ring_prod_lock); @@ -299,7 +298,7 @@ static ssize_t evtchn_write(struct file *file, const char __user *buf, evtchn = find_evtchn(u, port); if (evtchn && !evtchn->enabled) { evtchn->enabled = true; - enable_irq(irq_from_evtchn(port)); + xen_irq_lateeoi(irq_from_evtchn(port), 0); } } @@ -399,8 +398,8 @@ static int evtchn_bind_to_user(struct per_user_data *u, int port) if (rc < 0) goto err; - rc = bind_evtchn_to_irqhandler(port, evtchn_interrupt, 0, - u->name, evtchn); + rc = bind_evtchn_to_irqhandler_lateeoi(port, evtchn_interrupt, 0, + u->name, evtchn); if (rc < 0) goto err; diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 1865bcfa869b..6f077ae0cf31 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -293,36 +293,47 @@ static int map_grant_pages(struct grant_map *map) * to the kernel linear addresses of the struct pages. * These ptes are completely different from the user ptes dealt * with find_grant_ptes. + * Note that GNTMAP_device_map isn't needed here: The + * dev_bus_addr output field gets consumed only from ->map_ops, + * and by not requesting it when mapping we also avoid needing + * to mirror dev_bus_addr into ->unmap_ops (and holding an extra + * reference to the page in the hypervisor). */ + unsigned int flags = (map->flags & ~GNTMAP_device_map) | + GNTMAP_host_map; + for (i = 0; i < map->count; i++) { unsigned long address = (unsigned long) pfn_to_kaddr(page_to_pfn(map->pages[i])); BUG_ON(PageHighMem(map->pages[i])); - gnttab_set_map_op(&map->kmap_ops[i], address, - map->flags | GNTMAP_host_map, + gnttab_set_map_op(&map->kmap_ops[i], address, flags, map->grants[i].ref, map->grants[i].domid); gnttab_set_unmap_op(&map->kunmap_ops[i], address, - map->flags | GNTMAP_host_map, -1); + flags, -1); } } pr_debug("map %d+%d\n", map->index, map->count); err = gnttab_map_refs(map->map_ops, use_ptemod ? map->kmap_ops : NULL, map->pages, map->count); - if (err) - return err; for (i = 0; i < map->count; i++) { - if (map->map_ops[i].status) { + if (map->map_ops[i].status == GNTST_okay) + map->unmap_ops[i].handle = map->map_ops[i].handle; + else if (!err) err = -EINVAL; - continue; - } - map->unmap_ops[i].handle = map->map_ops[i].handle; - if (use_ptemod) - map->kunmap_ops[i].handle = map->kmap_ops[i].handle; + if (map->flags & GNTMAP_device_map) + map->unmap_ops[i].dev_bus_addr = map->map_ops[i].dev_bus_addr; + + if (use_ptemod) { + if (map->kmap_ops[i].status == GNTST_okay) + map->kunmap_ops[i].handle = map->kmap_ops[i].handle; + else if (!err) + err = -EINVAL; + } } return err; } diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c index 47c6df53cabf..e21b82921c33 100644 --- a/drivers/xen/xen-pciback/pci_stub.c +++ b/drivers/xen/xen-pciback/pci_stub.c @@ -681,10 +681,17 @@ static pci_ers_result_t common_process(struct pcistub_device *psdev, wmb(); notify_remote_via_irq(pdev->evtchn_irq); + /* Enable IRQ to signal "request done". */ + xen_pcibk_lateeoi(pdev, 0); + ret = wait_event_timeout(xen_pcibk_aer_wait_queue, !(test_bit(_XEN_PCIB_active, (unsigned long *) &sh_info->flags)), 300*HZ); + /* Enable IRQ for pcifront request if not already active. */ + if (!test_bit(_PDEVF_op_active, &pdev->flags)) + xen_pcibk_lateeoi(pdev, 0); + if (!ret) { if (test_bit(_XEN_PCIB_active, (unsigned long *)&sh_info->flags)) { @@ -698,13 +705,6 @@ static pci_ers_result_t common_process(struct pcistub_device *psdev, } clear_bit(_PCIB_op_pending, (unsigned long *)&pdev->flags); - if (test_bit(_XEN_PCIF_active, - (unsigned long *)&sh_info->flags)) { - dev_dbg(&psdev->dev->dev, - "schedule pci_conf service in " DRV_NAME "\n"); - xen_pcibk_test_and_schedule_op(psdev->pdev); - } - res = (pci_ers_result_t)aer_op->err; return res; } diff --git a/drivers/xen/xen-pciback/pciback.h b/drivers/xen/xen-pciback/pciback.h index 4d529f3e40df..f44a425d1a5a 100644 --- a/drivers/xen/xen-pciback/pciback.h +++ b/drivers/xen/xen-pciback/pciback.h @@ -13,6 +13,7 @@ #include <linux/spinlock.h> #include <linux/workqueue.h> #include <linux/atomic.h> +#include <xen/events.h> #include <xen/interface/io/pciif.h> #define DRV_NAME "xen-pciback" @@ -26,6 +27,8 @@ struct pci_dev_entry { #define PDEVF_op_active (1<<(_PDEVF_op_active)) #define _PCIB_op_pending (1) #define PCIB_op_pending (1<<(_PCIB_op_pending)) +#define _EOI_pending (2) +#define EOI_pending (1<<(_EOI_pending)) struct xen_pcibk_device { void *pci_dev_data; @@ -182,12 +185,17 @@ static inline void xen_pcibk_release_devices(struct xen_pcibk_device *pdev) irqreturn_t xen_pcibk_handle_event(int irq, void *dev_id); void xen_pcibk_do_op(struct work_struct *data); +static inline void xen_pcibk_lateeoi(struct xen_pcibk_device *pdev, + unsigned int eoi_flag) +{ + if (test_and_clear_bit(_EOI_pending, &pdev->flags)) + xen_irq_lateeoi(pdev->evtchn_irq, eoi_flag); +} + int xen_pcibk_xenbus_register(void); void xen_pcibk_xenbus_unregister(void); extern int verbose_request; - -void xen_pcibk_test_and_schedule_op(struct xen_pcibk_device *pdev); #endif /* Handles shared IRQs that can to device domain and control domain. */ diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c index 49c5f0e9600a..232db7fcc523 100644 --- a/drivers/xen/xen-pciback/pciback_ops.c +++ b/drivers/xen/xen-pciback/pciback_ops.c @@ -296,26 +296,41 @@ int xen_pcibk_disable_msix(struct xen_pcibk_device *pdev, return 0; } #endif + +static inline bool xen_pcibk_test_op_pending(struct xen_pcibk_device *pdev) +{ + return test_bit(_XEN_PCIF_active, + (unsigned long *)&pdev->sh_info->flags) && + !test_and_set_bit(_PDEVF_op_active, &pdev->flags); +} + /* * Now the same evtchn is used for both pcifront conf_read_write request * as well as pcie aer front end ack. We use a new work_queue to schedule * xen_pcibk conf_read_write service for avoiding confict with aer_core * do_recovery job which also use the system default work_queue */ -void xen_pcibk_test_and_schedule_op(struct xen_pcibk_device *pdev) +static void xen_pcibk_test_and_schedule_op(struct xen_pcibk_device *pdev) { + bool eoi = true; + /* Check that frontend is requesting an operation and that we are not * already processing a request */ - if (test_bit(_XEN_PCIF_active, (unsigned long *)&pdev->sh_info->flags) - && !test_and_set_bit(_PDEVF_op_active, &pdev->flags)) { + if (xen_pcibk_test_op_pending(pdev)) { queue_work(xen_pcibk_wq, &pdev->op_work); + eoi = false; } /*_XEN_PCIB_active should have been cleared by pcifront. And also make sure xen_pcibk is waiting for ack by checking _PCIB_op_pending*/ if (!test_bit(_XEN_PCIB_active, (unsigned long *)&pdev->sh_info->flags) && test_bit(_PCIB_op_pending, &pdev->flags)) { wake_up(&xen_pcibk_aer_wait_queue); + eoi = false; } + + /* EOI if there was nothing to do. */ + if (eoi) + xen_pcibk_lateeoi(pdev, XEN_EOI_FLAG_SPURIOUS); } /* Performing the configuration space reads/writes must not be done in atomic @@ -323,10 +338,8 @@ void xen_pcibk_test_and_schedule_op(struct xen_pcibk_device *pdev) * use of semaphores). This function is intended to be called from a work * queue in process context taking a struct xen_pcibk_device as a parameter */ -void xen_pcibk_do_op(struct work_struct *data) +static void xen_pcibk_do_one_op(struct xen_pcibk_device *pdev) { - struct xen_pcibk_device *pdev = - container_of(data, struct xen_pcibk_device, op_work); struct pci_dev *dev; struct xen_pcibk_dev_data *dev_data = NULL; struct xen_pci_op *op = &pdev->op; @@ -399,16 +412,31 @@ void xen_pcibk_do_op(struct work_struct *data) smp_mb__before_atomic(); /* /after/ clearing PCIF_active */ clear_bit(_PDEVF_op_active, &pdev->flags); smp_mb__after_atomic(); /* /before/ final check for work */ +} - /* Check to see if the driver domain tried to start another request in - * between clearing _XEN_PCIF_active and clearing _PDEVF_op_active. - */ - xen_pcibk_test_and_schedule_op(pdev); +void xen_pcibk_do_op(struct work_struct *data) +{ + struct xen_pcibk_device *pdev = + container_of(data, struct xen_pcibk_device, op_work); + + do { + xen_pcibk_do_one_op(pdev); + } while (xen_pcibk_test_op_pending(pdev)); + + xen_pcibk_lateeoi(pdev, 0); } irqreturn_t xen_pcibk_handle_event(int irq, void *dev_id) { struct xen_pcibk_device *pdev = dev_id; + bool eoi; + + /* IRQs might come in before pdev->evtchn_irq is written. */ + if (unlikely(pdev->evtchn_irq != irq)) + pdev->evtchn_irq = irq; + + eoi = test_and_set_bit(_EOI_pending, &pdev->flags); + WARN(eoi, "IRQ while EOI pending\n"); xen_pcibk_test_and_schedule_op(pdev); diff --git a/drivers/xen/xen-pciback/vpci.c b/drivers/xen/xen-pciback/vpci.c index c99f8bb1c56c..e6c7509a3d87 100644 --- a/drivers/xen/xen-pciback/vpci.c +++ b/drivers/xen/xen-pciback/vpci.c @@ -68,7 +68,7 @@ static int __xen_pcibk_add_pci_dev(struct xen_pcibk_device *pdev, struct pci_dev *dev, int devid, publish_pci_dev_cb publish_cb) { - int err = 0, slot, func = -1; + int err = 0, slot, func = PCI_FUNC(dev->devfn); struct pci_dev_entry *t, *dev_entry; struct vpci_dev_data *vpci_dev = pdev->pci_dev_data; @@ -93,23 +93,26 @@ static int __xen_pcibk_add_pci_dev(struct xen_pcibk_device *pdev, /* * Keep multi-function devices together on the virtual PCI bus, except - * virtual functions. + * that we want to keep virtual functions at func 0 on their own. They + * aren't multi-function devices and hence their presence at func 0 + * may cause guests to not scan the other functions. */ - if (!dev->is_virtfn) { + if (!dev->is_virtfn || func) { for (slot = 0; slot < PCI_SLOT_MAX; slot++) { if (list_empty(&vpci_dev->dev_list[slot])) continue; t = list_entry(list_first(&vpci_dev->dev_list[slot]), struct pci_dev_entry, list); + if (t->dev->is_virtfn && !PCI_FUNC(t->dev->devfn)) + continue; if (match_slot(dev, t->dev)) { pr_info("vpci: %s: assign to virtual slot %d func %d\n", pci_name(dev), slot, - PCI_FUNC(dev->devfn)); + func); list_add_tail(&dev_entry->list, &vpci_dev->dev_list[slot]); - func = PCI_FUNC(dev->devfn); goto unlock; } } @@ -122,7 +125,6 @@ static int __xen_pcibk_add_pci_dev(struct xen_pcibk_device *pdev, pci_name(dev), slot); list_add_tail(&dev_entry->list, &vpci_dev->dev_list[slot]); - func = dev->is_virtfn ? 0 : PCI_FUNC(dev->devfn); goto unlock; } } diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c index 4843741e703a..c784a01aa8cb 100644 --- a/drivers/xen/xen-pciback/xenbus.c +++ b/drivers/xen/xen-pciback/xenbus.c @@ -124,7 +124,7 @@ static int xen_pcibk_do_attach(struct xen_pcibk_device *pdev, int gnt_ref, pdev->sh_info = vaddr; - err = bind_interdomain_evtchn_to_irqhandler( + err = bind_interdomain_evtchn_to_irqhandler_lateeoi( pdev->xdev->otherend_id, remote_evtchn, xen_pcibk_handle_event, 0, DRV_NAME, pdev); if (err < 0) { @@ -359,7 +359,8 @@ out: return err; } -static int xen_pcibk_reconfigure(struct xen_pcibk_device *pdev) +static int xen_pcibk_reconfigure(struct xen_pcibk_device *pdev, + enum xenbus_state state) { int err = 0; int num_devs; @@ -373,9 +374,7 @@ static int xen_pcibk_reconfigure(struct xen_pcibk_device *pdev) dev_dbg(&pdev->xdev->dev, "Reconfiguring device ...\n"); mutex_lock(&pdev->dev_lock); - /* Make sure we only reconfigure once */ - if (xenbus_read_driver_state(pdev->xdev->nodename) != - XenbusStateReconfiguring) + if (xenbus_read_driver_state(pdev->xdev->nodename) != state) goto out; err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename, "num_devs", "%d", @@ -502,6 +501,10 @@ static int xen_pcibk_reconfigure(struct xen_pcibk_device *pdev) } } + if (state != XenbusStateReconfiguring) + /* Make sure we only reconfigure once. */ + goto out; + err = xenbus_switch_state(pdev->xdev, XenbusStateReconfigured); if (err) { xenbus_dev_fatal(pdev->xdev, err, @@ -527,7 +530,7 @@ static void xen_pcibk_frontend_changed(struct xenbus_device *xdev, break; case XenbusStateReconfiguring: - xen_pcibk_reconfigure(pdev); + xen_pcibk_reconfigure(pdev, XenbusStateReconfiguring); break; case XenbusStateConnected: @@ -666,6 +669,15 @@ static void xen_pcibk_be_watch(struct xenbus_watch *watch, xen_pcibk_setup_backend(pdev); break; + case XenbusStateInitialised: + /* + * We typically move to Initialised when the first device was + * added. Hence subsequent devices getting added may need + * reconfiguring. + */ + xen_pcibk_reconfigure(pdev, XenbusStateInitialised); + break; + default: break; } @@ -691,7 +703,7 @@ static int xen_pcibk_xenbus_probe(struct xenbus_device *dev, /* watch the backend node for backend configuration information */ err = xenbus_watch_path(dev, dev->nodename, &pdev->be_watch, - xen_pcibk_be_watch); + NULL, xen_pcibk_be_watch); if (err) goto out; diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c index 51387d75c7bf..7fb5a2e7fa81 100644 --- a/drivers/xen/xen-scsiback.c +++ b/drivers/xen/xen-scsiback.c @@ -91,7 +91,6 @@ struct vscsibk_info { unsigned int irq; struct vscsiif_back_ring ring; - int ring_error; spinlock_t ring_lock; atomic_t nr_unreplied_reqs; @@ -416,12 +415,12 @@ static int scsiback_gnttab_data_map_batch(struct gnttab_map_grant_ref *map, return 0; err = gnttab_map_refs(map, NULL, pg, cnt); - BUG_ON(err); for (i = 0; i < cnt; i++) { if (unlikely(map[i].status != GNTST_okay)) { pr_err("invalid buffer -- could not remap it\n"); map[i].handle = SCSIBACK_INVALID_HANDLE; - err = -ENOMEM; + if (!err) + err = -ENOMEM; } else { get_page(pg[i]); } @@ -698,7 +697,8 @@ static int prepare_pending_reqs(struct vscsibk_info *info, return 0; } -static int scsiback_do_cmd_fn(struct vscsibk_info *info) +static int scsiback_do_cmd_fn(struct vscsibk_info *info, + unsigned int *eoi_flags) { struct vscsiif_back_ring *ring = &info->ring; struct vscsiif_request ring_req; @@ -715,11 +715,12 @@ static int scsiback_do_cmd_fn(struct vscsibk_info *info) rc = ring->rsp_prod_pvt; pr_warn("Dom%d provided bogus ring requests (%#x - %#x = %u). Halting ring processing\n", info->domid, rp, rc, rp - rc); - info->ring_error = 1; - return 0; + return -EINVAL; } while ((rc != rp)) { + *eoi_flags &= ~XEN_EOI_FLAG_SPURIOUS; + if (RING_REQUEST_CONS_OVERFLOW(ring, rc)) break; pending_req = kmem_cache_alloc(scsiback_cachep, GFP_KERNEL); @@ -782,13 +783,16 @@ static int scsiback_do_cmd_fn(struct vscsibk_info *info) static irqreturn_t scsiback_irq_fn(int irq, void *dev_id) { struct vscsibk_info *info = dev_id; + int rc; + unsigned int eoi_flags = XEN_EOI_FLAG_SPURIOUS; - if (info->ring_error) - return IRQ_HANDLED; - - while (scsiback_do_cmd_fn(info)) + while ((rc = scsiback_do_cmd_fn(info, &eoi_flags)) > 0) cond_resched(); + /* In case of a ring error we keep the event channel masked. */ + if (!rc) + xen_irq_lateeoi(irq, eoi_flags); + return IRQ_HANDLED; } @@ -809,7 +813,7 @@ static int scsiback_init_sring(struct vscsibk_info *info, grant_ref_t ring_ref, sring = (struct vscsiif_sring *)area; BACK_RING_INIT(&info->ring, sring, PAGE_SIZE); - err = bind_interdomain_evtchn_to_irq(info->domid, evtchn); + err = bind_interdomain_evtchn_to_irq_lateeoi(info->domid, evtchn); if (err < 0) goto unmap_page; @@ -1210,7 +1214,6 @@ static int scsiback_probe(struct xenbus_device *dev, info->domid = dev->otherend_id; spin_lock_init(&info->ring_lock); - info->ring_error = 0; atomic_set(&info->nr_unreplied_reqs, 0); init_waitqueue_head(&info->waiting_to_free); info->dev = dev; diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index 266f446ba331..8bbd887ca422 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -114,18 +114,22 @@ EXPORT_SYMBOL_GPL(xenbus_strstate); */ int xenbus_watch_path(struct xenbus_device *dev, const char *path, struct xenbus_watch *watch, + bool (*will_handle)(struct xenbus_watch *, + const char **, unsigned int), void (*callback)(struct xenbus_watch *, const char **, unsigned int)) { int err; watch->node = path; + watch->will_handle = will_handle; watch->callback = callback; err = register_xenbus_watch(watch); if (err) { watch->node = NULL; + watch->will_handle = NULL; watch->callback = NULL; xenbus_dev_fatal(dev, err, "adding watch on %s", path); } @@ -152,6 +156,8 @@ EXPORT_SYMBOL_GPL(xenbus_watch_path); */ int xenbus_watch_pathfmt(struct xenbus_device *dev, struct xenbus_watch *watch, + bool (*will_handle)(struct xenbus_watch *, + const char **, unsigned int), void (*callback)(struct xenbus_watch *, const char **, unsigned int), const char *pathfmt, ...) @@ -168,7 +174,7 @@ int xenbus_watch_pathfmt(struct xenbus_device *dev, xenbus_dev_fatal(dev, -ENOMEM, "allocating path for watch"); return -ENOMEM; } - err = xenbus_watch_path(dev, path, watch, callback); + err = xenbus_watch_path(dev, path, watch, will_handle, callback); if (err) kfree(path); diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c index c2d447687e33..ba7590d75985 100644 --- a/drivers/xen/xenbus/xenbus_probe.c +++ b/drivers/xen/xenbus/xenbus_probe.c @@ -137,6 +137,7 @@ static int watch_otherend(struct xenbus_device *dev) container_of(dev->dev.bus, struct xen_bus_type, bus); return xenbus_watch_pathfmt(dev, &dev->otherend_watch, + bus->otherend_will_handle, bus->otherend_changed, "%s/%s", dev->otherend, "state"); } diff --git a/drivers/xen/xenbus/xenbus_probe.h b/drivers/xen/xenbus/xenbus_probe.h index c9ec7ca1f7ab..2c394c6ba605 100644 --- a/drivers/xen/xenbus/xenbus_probe.h +++ b/drivers/xen/xenbus/xenbus_probe.h @@ -42,6 +42,8 @@ struct xen_bus_type { int (*get_bus_id)(char bus_id[XEN_BUS_ID_SIZE], const char *nodename); int (*probe)(struct xen_bus_type *bus, const char *type, const char *dir); + bool (*otherend_will_handle)(struct xenbus_watch *watch, + const char **vec, unsigned int len); void (*otherend_changed)(struct xenbus_watch *watch, const char **vec, unsigned int len); struct bus_type bus; diff --git a/drivers/xen/xenbus/xenbus_probe_backend.c b/drivers/xen/xenbus/xenbus_probe_backend.c index 04f7f85a5edf..597c0b038454 100644 --- a/drivers/xen/xenbus/xenbus_probe_backend.c +++ b/drivers/xen/xenbus/xenbus_probe_backend.c @@ -181,6 +181,12 @@ static int xenbus_probe_backend(struct xen_bus_type *bus, const char *type, return err; } +static bool frontend_will_handle(struct xenbus_watch *watch, + const char **vec, unsigned int len) +{ + return watch->nr_pending == 0; +} + static void frontend_changed(struct xenbus_watch *watch, const char **vec, unsigned int len) { @@ -192,6 +198,7 @@ static struct xen_bus_type xenbus_backend = { .levels = 3, /* backend/type/<frontend>/<id> */ .get_bus_id = backend_bus_id, .probe = xenbus_probe_backend, + .otherend_will_handle = frontend_will_handle, .otherend_changed = frontend_changed, .bus = { .name = "xen-backend", diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c index ce65591b4168..d98d88fae58a 100644 --- a/drivers/xen/xenbus/xenbus_xs.c +++ b/drivers/xen/xenbus/xenbus_xs.c @@ -701,6 +701,8 @@ int register_xenbus_watch(struct xenbus_watch *watch) sprintf(token, "%lX", (long)watch); + watch->nr_pending = 0; + down_read(&xs_state.watch_mutex); spin_lock(&watches_lock); @@ -750,12 +752,15 @@ void unregister_xenbus_watch(struct xenbus_watch *watch) /* Cancel pending watch events. */ spin_lock(&watch_events_lock); - list_for_each_entry_safe(msg, tmp, &watch_events, list) { - if (msg->u.watch.handle != watch) - continue; - list_del(&msg->list); - kfree(msg->u.watch.vec); - kfree(msg); + if (watch->nr_pending) { + list_for_each_entry_safe(msg, tmp, &watch_events, list) { + if (msg->u.watch.handle != watch) + continue; + list_del(&msg->list); + kfree(msg->u.watch.vec); + kfree(msg); + } + watch->nr_pending = 0; } spin_unlock(&watch_events_lock); @@ -802,7 +807,6 @@ void xs_suspend_cancel(void) static int xenwatch_thread(void *unused) { - struct list_head *ent; struct xs_stored_msg *msg; for (;;) { @@ -815,13 +819,15 @@ static int xenwatch_thread(void *unused) mutex_lock(&xenwatch_mutex); spin_lock(&watch_events_lock); - ent = watch_events.next; - if (ent != &watch_events) - list_del(ent); + msg = list_first_entry_or_null(&watch_events, + struct xs_stored_msg, list); + if (msg) { + list_del(&msg->list); + msg->u.watch.handle->nr_pending--; + } spin_unlock(&watch_events_lock); - if (ent != &watch_events) { - msg = list_entry(ent, struct xs_stored_msg, list); + if (msg) { msg->u.watch.handle->callback( msg->u.watch.handle, (const char **)msg->u.watch.vec, @@ -903,9 +909,15 @@ static int process_msg(void) spin_lock(&watches_lock); msg->u.watch.handle = find_watch( msg->u.watch.vec[XS_WATCH_TOKEN]); - if (msg->u.watch.handle != NULL) { + if (msg->u.watch.handle != NULL && + (!msg->u.watch.handle->will_handle || + msg->u.watch.handle->will_handle( + msg->u.watch.handle, + (const char **)msg->u.watch.vec, + msg->u.watch.vec_size))) { spin_lock(&watch_events_lock); list_add_tail(&msg->list, &watch_events); + msg->u.watch.handle->nr_pending++; wake_up(&watch_events_waitq); spin_unlock(&watch_events_lock); } else { |