diff options
Diffstat (limited to 'drivers/media')
28 files changed, 106 insertions, 41 deletions
diff --git a/drivers/media/dvb-frontends/ascot2e.c b/drivers/media/dvb-frontends/ascot2e.c index f770f6a2c987..3ea9edc8cdbe 100644 --- a/drivers/media/dvb-frontends/ascot2e.c +++ b/drivers/media/dvb-frontends/ascot2e.c @@ -155,7 +155,9 @@ static int ascot2e_write_regs(struct ascot2e_priv *priv, static int ascot2e_write_reg(struct ascot2e_priv *priv, u8 reg, u8 val) { - return ascot2e_write_regs(priv, reg, &val, 1); + u8 tmp = val; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */ + + return ascot2e_write_regs(priv, reg, &tmp, 1); } static int ascot2e_read_regs(struct ascot2e_priv *priv, diff --git a/drivers/media/dvb-frontends/cxd2841er.c b/drivers/media/dvb-frontends/cxd2841er.c index 107853b0fddd..bde77671a37c 100644 --- a/drivers/media/dvb-frontends/cxd2841er.c +++ b/drivers/media/dvb-frontends/cxd2841er.c @@ -241,7 +241,9 @@ static int cxd2841er_write_regs(struct cxd2841er_priv *priv, static int cxd2841er_write_reg(struct cxd2841er_priv *priv, u8 addr, u8 reg, u8 val) { - return cxd2841er_write_regs(priv, addr, reg, &val, 1); + u8 tmp = val; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */ + + return cxd2841er_write_regs(priv, addr, reg, &tmp, 1); } static int cxd2841er_read_regs(struct cxd2841er_priv *priv, diff --git a/drivers/media/dvb-frontends/horus3a.c b/drivers/media/dvb-frontends/horus3a.c index 000606af70f7..f770ab72a8e3 100644 --- a/drivers/media/dvb-frontends/horus3a.c +++ b/drivers/media/dvb-frontends/horus3a.c @@ -89,7 +89,9 @@ static int horus3a_write_regs(struct horus3a_priv *priv, static int horus3a_write_reg(struct horus3a_priv *priv, u8 reg, u8 val) { - return horus3a_write_regs(priv, reg, &val, 1); + u8 tmp = val; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */ + + return horus3a_write_regs(priv, reg, &tmp, 1); } static int horus3a_enter_power_save(struct horus3a_priv *priv) diff --git a/drivers/media/dvb-frontends/itd1000.c b/drivers/media/dvb-frontends/itd1000.c index cadcae4cff89..ac9d2591bb6f 100644 --- a/drivers/media/dvb-frontends/itd1000.c +++ b/drivers/media/dvb-frontends/itd1000.c @@ -99,8 +99,9 @@ static int itd1000_read_reg(struct itd1000_state *state, u8 reg) static inline int itd1000_write_reg(struct itd1000_state *state, u8 r, u8 v) { - int ret = itd1000_write_regs(state, r, &v, 1); - state->shadow[r] = v; + u8 tmp = v; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */ + int ret = itd1000_write_regs(state, r, &tmp, 1); + state->shadow[r] = tmp; return ret; } diff --git a/drivers/media/dvb-frontends/mt312.c b/drivers/media/dvb-frontends/mt312.c index c36e6764eead..c44188271028 100644 --- a/drivers/media/dvb-frontends/mt312.c +++ b/drivers/media/dvb-frontends/mt312.c @@ -142,7 +142,10 @@ static inline int mt312_readreg(struct mt312_state *state, static inline int mt312_writereg(struct mt312_state *state, const enum mt312_reg_addr reg, const u8 val) { - return mt312_write(state, reg, &val, 1); + u8 tmp = val; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */ + + + return mt312_write(state, reg, &tmp, 1); } static inline u32 mt312_div(u32 a, u32 b) diff --git a/drivers/media/dvb-frontends/stb0899_drv.c b/drivers/media/dvb-frontends/stb0899_drv.c index 756650f154ab..ad9b7d4f8d95 100644 --- a/drivers/media/dvb-frontends/stb0899_drv.c +++ b/drivers/media/dvb-frontends/stb0899_drv.c @@ -552,7 +552,8 @@ int stb0899_write_regs(struct stb0899_state *state, unsigned int reg, u8 *data, int stb0899_write_reg(struct stb0899_state *state, unsigned int reg, u8 data) { - return stb0899_write_regs(state, reg, &data, 1); + u8 tmp = data; + return stb0899_write_regs(state, reg, &tmp, 1); } /* diff --git a/drivers/media/dvb-frontends/stb6100.c b/drivers/media/dvb-frontends/stb6100.c index 4ef8a5c7003e..44fac2570034 100644 --- a/drivers/media/dvb-frontends/stb6100.c +++ b/drivers/media/dvb-frontends/stb6100.c @@ -226,12 +226,14 @@ static int stb6100_write_reg_range(struct stb6100_state *state, u8 buf[], int st static int stb6100_write_reg(struct stb6100_state *state, u8 reg, u8 data) { + u8 tmp = data; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */ + if (unlikely(reg >= STB6100_NUMREGS)) { dprintk(verbose, FE_ERROR, 1, "Invalid register offset 0x%x", reg); return -EREMOTEIO; } - data = (data & stb6100_template[reg].mask) | stb6100_template[reg].set; - return stb6100_write_reg_range(state, &data, reg, 1); + tmp = (tmp & stb6100_template[reg].mask) | stb6100_template[reg].set; + return stb6100_write_reg_range(state, &tmp, reg, 1); } diff --git a/drivers/media/dvb-frontends/stv0367.c b/drivers/media/dvb-frontends/stv0367.c index 44cb73f68af6..ddd0d778ad6e 100644 --- a/drivers/media/dvb-frontends/stv0367.c +++ b/drivers/media/dvb-frontends/stv0367.c @@ -804,7 +804,9 @@ int stv0367_writeregs(struct stv0367_state *state, u16 reg, u8 *data, int len) static int stv0367_writereg(struct stv0367_state *state, u16 reg, u8 data) { - return stv0367_writeregs(state, reg, &data, 1); + u8 tmp = data; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */ + + return stv0367_writeregs(state, reg, &tmp, 1); } static u8 stv0367_readreg(struct stv0367_state *state, u16 reg) diff --git a/drivers/media/dvb-frontends/stv090x.c b/drivers/media/dvb-frontends/stv090x.c index 25bdf6e0f963..f0377e2b341b 100644 --- a/drivers/media/dvb-frontends/stv090x.c +++ b/drivers/media/dvb-frontends/stv090x.c @@ -761,7 +761,9 @@ static int stv090x_write_regs(struct stv090x_state *state, unsigned int reg, u8 static int stv090x_write_reg(struct stv090x_state *state, unsigned int reg, u8 data) { - return stv090x_write_regs(state, reg, &data, 1); + u8 tmp = data; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */ + + return stv090x_write_regs(state, reg, &tmp, 1); } static int stv090x_i2c_gate_ctrl(struct stv090x_state *state, int enable) diff --git a/drivers/media/dvb-frontends/stv6110x.c b/drivers/media/dvb-frontends/stv6110x.c index e66154e5c1d7..45d14869e7b8 100644 --- a/drivers/media/dvb-frontends/stv6110x.c +++ b/drivers/media/dvb-frontends/stv6110x.c @@ -97,7 +97,9 @@ static int stv6110x_write_regs(struct stv6110x_state *stv6110x, int start, u8 da static int stv6110x_write_reg(struct stv6110x_state *stv6110x, u8 reg, u8 data) { - return stv6110x_write_regs(stv6110x, reg, &data, 1); + u8 tmp = data; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */ + + return stv6110x_write_regs(stv6110x, reg, &tmp, 1); } static int stv6110x_init(struct dvb_frontend *fe) diff --git a/drivers/media/dvb-frontends/zl10039.c b/drivers/media/dvb-frontends/zl10039.c index ee09ec26c553..b273e4fd8024 100644 --- a/drivers/media/dvb-frontends/zl10039.c +++ b/drivers/media/dvb-frontends/zl10039.c @@ -138,7 +138,9 @@ static inline int zl10039_writereg(struct zl10039_state *state, const enum zl10039_reg_addr reg, const u8 val) { - return zl10039_write(state, reg, &val, 1); + const u8 tmp = val; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */ + + return zl10039_write(state, reg, &tmp, 1); } static int zl10039_init(struct dvb_frontend *fe) diff --git a/drivers/media/firewire/firedtv-avc.c b/drivers/media/firewire/firedtv-avc.c index 251a556112a9..280b5ffea592 100644 --- a/drivers/media/firewire/firedtv-avc.c +++ b/drivers/media/firewire/firedtv-avc.c @@ -968,7 +968,8 @@ static int get_ca_object_length(struct avc_response_frame *r) return r->operand[7]; } -int avc_ca_app_info(struct firedtv *fdtv, char *app_info, unsigned int *len) +int avc_ca_app_info(struct firedtv *fdtv, unsigned char *app_info, + unsigned int *len) { struct avc_command_frame *c = (void *)fdtv->avc_data; struct avc_response_frame *r = (void *)fdtv->avc_data; @@ -1009,7 +1010,8 @@ out: return ret; } -int avc_ca_info(struct firedtv *fdtv, char *app_info, unsigned int *len) +int avc_ca_info(struct firedtv *fdtv, unsigned char *app_info, + unsigned int *len) { struct avc_command_frame *c = (void *)fdtv->avc_data; struct avc_response_frame *r = (void *)fdtv->avc_data; diff --git a/drivers/media/firewire/firedtv.h b/drivers/media/firewire/firedtv.h index 345d1eda8c05..5b18a08c6285 100644 --- a/drivers/media/firewire/firedtv.h +++ b/drivers/media/firewire/firedtv.h @@ -124,8 +124,10 @@ int avc_lnb_control(struct firedtv *fdtv, char voltage, char burst, struct dvb_diseqc_master_cmd *diseqcmd); void avc_remote_ctrl_work(struct work_struct *work); int avc_register_remote_control(struct firedtv *fdtv); -int avc_ca_app_info(struct firedtv *fdtv, char *app_info, unsigned int *len); -int avc_ca_info(struct firedtv *fdtv, char *app_info, unsigned int *len); +int avc_ca_app_info(struct firedtv *fdtv, unsigned char *app_info, + unsigned int *len); +int avc_ca_info(struct firedtv *fdtv, unsigned char *app_info, + unsigned int *len); int avc_ca_reset(struct firedtv *fdtv); int avc_ca_pmt(struct firedtv *fdtv, char *app_info, int length); int avc_ca_get_time_date(struct firedtv *fdtv, int *interval); diff --git a/drivers/media/pci/ivtv/ivtv-udma.c b/drivers/media/pci/ivtv/ivtv-udma.c index 24152accc66c..8729fdebef8f 100644 --- a/drivers/media/pci/ivtv/ivtv-udma.c +++ b/drivers/media/pci/ivtv/ivtv-udma.c @@ -125,7 +125,8 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_dest_addr, /* Get user pages for DMA Xfer */ err = get_user_pages_unlocked(current, current->mm, - user_dma.uaddr, user_dma.page_count, 0, 1, dma->map); + user_dma.uaddr, user_dma.page_count, dma->map, + FOLL_FORCE); if (user_dma.page_count != err) { IVTV_DEBUG_WARN("failed to map user pages, returned %d instead of %d\n", diff --git a/drivers/media/pci/ivtv/ivtv-yuv.c b/drivers/media/pci/ivtv/ivtv-yuv.c index 2b8e7b2f2b86..9cd995f418e0 100644 --- a/drivers/media/pci/ivtv/ivtv-yuv.c +++ b/drivers/media/pci/ivtv/ivtv-yuv.c @@ -76,13 +76,13 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma, /* Get user pages for DMA Xfer */ y_pages = get_user_pages_unlocked(current, current->mm, - y_dma.uaddr, y_dma.page_count, 0, 1, - &dma->map[0]); + y_dma.uaddr, y_dma.page_count, + &dma->map[0], FOLL_FORCE); uv_pages = 0; /* silence gcc. value is set and consumed only if: */ if (y_pages == y_dma.page_count) { uv_pages = get_user_pages_unlocked(current, current->mm, - uv_dma.uaddr, uv_dma.page_count, 0, 1, - &dma->map[y_pages]); + uv_dma.uaddr, uv_dma.page_count, + &dma->map[y_pages], FOLL_FORCE); } if (y_pages != y_dma.page_count || uv_pages != uv_dma.page_count) { diff --git a/drivers/media/platform/davinci/vpbe.c b/drivers/media/platform/davinci/vpbe.c index 9a6c2cc38acb..abce9c4a1a8e 100644 --- a/drivers/media/platform/davinci/vpbe.c +++ b/drivers/media/platform/davinci/vpbe.c @@ -753,7 +753,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev) if (ret) { v4l2_err(&vpbe_dev->v4l2_dev, "Failed to set default output %s", def_output); - return ret; + goto fail_kfree_amp; } printk(KERN_NOTICE "Setting default mode to %s\n", def_mode); @@ -761,12 +761,15 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev) if (ret) { v4l2_err(&vpbe_dev->v4l2_dev, "Failed to set default mode %s", def_mode); - return ret; + goto fail_kfree_amp; } vpbe_dev->initialized = 1; /* TBD handling of bootargs for default output and mode */ return 0; +fail_kfree_amp: + mutex_lock(&vpbe_dev->lock); + kfree(vpbe_dev->amp); fail_kfree_encoders: kfree(vpbe_dev->encoders); fail_dev_unregister: diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c index 70c28d19ea04..596359576109 100644 --- a/drivers/media/platform/omap/omap_vout.c +++ b/drivers/media/platform/omap/omap_vout.c @@ -214,7 +214,7 @@ static int omap_vout_get_userptr(struct videobuf_buffer *vb, u32 virtp, if (!vec) return -ENOMEM; - ret = get_vaddr_frames(virtp, 1, true, false, vec); + ret = get_vaddr_frames(virtp, 1, FOLL_WRITE, vec); if (ret != 1) { frame_vector_destroy(vec); return -EINVAL; diff --git a/drivers/media/platform/vivid/vivid-kthread-cap.c b/drivers/media/platform/vivid/vivid-kthread-cap.c index 83cc6d3b4784..81ba454a6d95 100644 --- a/drivers/media/platform/vivid/vivid-kthread-cap.c +++ b/drivers/media/platform/vivid/vivid-kthread-cap.c @@ -863,8 +863,11 @@ int vivid_start_generating_vid_cap(struct vivid_dev *dev, bool *pstreaming) "%s-vid-cap", dev->v4l2_dev.name); if (IS_ERR(dev->kthread_vid_cap)) { + int err = PTR_ERR(dev->kthread_vid_cap); + + dev->kthread_vid_cap = NULL; v4l2_err(&dev->v4l2_dev, "kernel_thread() failed\n"); - return PTR_ERR(dev->kthread_vid_cap); + return err; } *pstreaming = true; vivid_grab_controls(dev, true); diff --git a/drivers/media/platform/vivid/vivid-kthread-out.c b/drivers/media/platform/vivid/vivid-kthread-out.c index c2c46dcdbe95..2c5dbdcb576a 100644 --- a/drivers/media/platform/vivid/vivid-kthread-out.c +++ b/drivers/media/platform/vivid/vivid-kthread-out.c @@ -248,8 +248,11 @@ int vivid_start_generating_vid_out(struct vivid_dev *dev, bool *pstreaming) "%s-vid-out", dev->v4l2_dev.name); if (IS_ERR(dev->kthread_vid_out)) { + int err = PTR_ERR(dev->kthread_vid_out); + + dev->kthread_vid_out = NULL; v4l2_err(&dev->v4l2_dev, "kernel_thread() failed\n"); - return PTR_ERR(dev->kthread_vid_out); + return err; } *pstreaming = true; vivid_grab_controls(dev, true); diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c b/drivers/media/platform/vivid/vivid-vid-cap.c index ef5412311b2f..a84954f1be34 100644 --- a/drivers/media/platform/vivid/vivid-vid-cap.c +++ b/drivers/media/platform/vivid/vivid-vid-cap.c @@ -461,6 +461,8 @@ void vivid_update_format_cap(struct vivid_dev *dev, bool keep_controls) tpg_s_rgb_range(&dev->tpg, v4l2_ctrl_g_ctrl(dev->rgb_range_cap)); break; } + vfree(dev->bitmap_cap); + dev->bitmap_cap = NULL; vivid_update_quality(dev); tpg_reset_source(&dev->tpg, dev->src_rect.width, dev->src_rect.height, dev->field_cap); dev->crop_cap = dev->src_rect; diff --git a/drivers/media/platform/vivid/vivid-vid-common.c b/drivers/media/platform/vivid/vivid-vid-common.c index 1678b730dba2..2e82f520a869 100644 --- a/drivers/media/platform/vivid/vivid-vid-common.c +++ b/drivers/media/platform/vivid/vivid-vid-common.c @@ -33,7 +33,7 @@ const struct v4l2_dv_timings_cap vivid_dv_timings_cap = { .type = V4L2_DV_BT_656_1120, /* keep this initialization for compatibility with GCC < 4.4.6 */ .reserved = { 0 }, - V4L2_INIT_BT_TIMINGS(0, MAX_WIDTH, 0, MAX_HEIGHT, 14000000, 775000000, + V4L2_INIT_BT_TIMINGS(16, MAX_WIDTH, 16, MAX_HEIGHT, 14000000, 775000000, V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | V4L2_DV_BT_STD_CVT | V4L2_DV_BT_STD_GTF, V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_INTERLACED) diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index 6cfcdcea27e0..873948e429e8 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -930,6 +930,8 @@ int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count) em28xx_videodbg("%s\n", __func__); + dev->v4l2->field_count = 0; + /* Make sure streaming is not already in progress for this type of filehandle (e.g. video, vbi) */ rc = res_get(dev, vq->type); @@ -1149,8 +1151,6 @@ static void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv) { struct em28xx *dev = priv; - dev->v4l2->field_count = 0; - /* * In the case of non-AC97 volume controls, we still need * to do some setups at em28xx, in order to mute/unmute diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 885f689ac870..f2e3fdf385cc 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -1019,11 +1019,19 @@ static int uvc_parse_standard_control(struct uvc_device *dev, return -EINVAL; } - /* Make sure the terminal type MSB is not null, otherwise it - * could be confused with a unit. + /* + * Reject invalid terminal types that would cause issues: + * + * - The high byte must be non-zero, otherwise it would be + * confused with a unit. + * + * - Bit 15 must be 0, as we use it internally as a terminal + * direction flag. + * + * Other unknown types are accepted. */ type = get_unaligned_le16(&buffer[4]); - if ((type & 0xff00) == 0) { + if ((type & 0x7f00) == 0 || (type & 0x8000) != 0) { uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol " "interface %d INPUT_TERMINAL %d has invalid " "type 0x%04x, skipping\n", udev->devnum, diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index a4048a04d236..a550dbe36dc5 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -638,6 +638,14 @@ void uvc_video_clock_update(struct uvc_streaming *stream, if (!uvc_hw_timestamps_param) return; + /* + * We will get called from __vb2_queue_cancel() if there are buffers + * done but not dequeued by the user, but the sample array has already + * been released at that time. Just bail out in that case. + */ + if (!clock->samples) + return; + spin_lock_irqsave(&clock->lock, flags); if (clock->count < clock->size) diff --git a/drivers/media/v4l2-core/videobuf-dma-sg.c b/drivers/media/v4l2-core/videobuf-dma-sg.c index f669cedca8bd..f74a74d91b9e 100644 --- a/drivers/media/v4l2-core/videobuf-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf-dma-sg.c @@ -156,6 +156,7 @@ static int videobuf_dma_init_user_locked(struct videobuf_dmabuf *dma, { unsigned long first, last; int err, rw = 0; + unsigned int flags = FOLL_FORCE; dma->direction = direction; switch (dma->direction) { @@ -178,13 +179,15 @@ static int videobuf_dma_init_user_locked(struct videobuf_dmabuf *dma, if (NULL == dma->pages) return -ENOMEM; + if (rw == READ) + flags |= FOLL_WRITE; + dprintk(1, "init user [0x%lx+0x%lx => %d pages]\n", data, size, dma->nr_pages); err = get_user_pages(current, current->mm, data & PAGE_MASK, dma->nr_pages, - rw == READ, 1, /* force */ - dma->pages, NULL); + flags, dma->pages, NULL); if (err != dma->nr_pages) { dma->nr_pages = (err >= 0) ? err : 0; diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 8ce9c63dfc59..e0041fcfa783 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -1976,9 +1976,13 @@ int vb2_mmap(struct vb2_queue *q, struct vm_area_struct *vma) return -EINVAL; } } + + mutex_lock(&q->mmap_lock); + if (vb2_fileio_is_active(q)) { dprintk(1, "mmap: file io in progress\n"); - return -EBUSY; + ret = -EBUSY; + goto unlock; } /* @@ -1986,7 +1990,7 @@ int vb2_mmap(struct vb2_queue *q, struct vm_area_struct *vma) */ ret = __find_plane_by_offset(q, off, &buffer, &plane); if (ret) - return ret; + goto unlock; vb = q->bufs[buffer]; @@ -1999,11 +2003,13 @@ int vb2_mmap(struct vb2_queue *q, struct vm_area_struct *vma) if (length < (vma->vm_end - vma->vm_start)) { dprintk(1, "MMAP invalid, as it would overflow buffer length\n"); - return -EINVAL; + ret = -EINVAL; + goto unlock; } - mutex_lock(&q->mmap_lock); ret = call_memop(vb, mmap, vb->planes[plane].mem_priv, vma); + +unlock: mutex_unlock(&q->mmap_lock); if (ret) return ret; diff --git a/drivers/media/v4l2-core/videobuf2-memops.c b/drivers/media/v4l2-core/videobuf2-memops.c index 3c3b517f1d1c..1cd322e939c7 100644 --- a/drivers/media/v4l2-core/videobuf2-memops.c +++ b/drivers/media/v4l2-core/videobuf2-memops.c @@ -42,6 +42,10 @@ struct frame_vector *vb2_create_framevec(unsigned long start, unsigned long first, last; unsigned long nr; struct frame_vector *vec; + unsigned int flags = FOLL_FORCE; + + if (write) + flags |= FOLL_WRITE; first = start >> PAGE_SHIFT; last = (start + length - 1) >> PAGE_SHIFT; @@ -49,7 +53,7 @@ struct frame_vector *vb2_create_framevec(unsigned long start, vec = frame_vector_create(nr); if (!vec) return ERR_PTR(-ENOMEM); - ret = get_vaddr_frames(start & PAGE_MASK, nr, write, true, vec); + ret = get_vaddr_frames(start & PAGE_MASK, nr, flags, vec); if (ret < 0) goto out_destroy; /* We accept only complete set of PFNs */ diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c index bf23234d957e..412a6a74d0a8 100644 --- a/drivers/media/v4l2-core/videobuf2-v4l2.c +++ b/drivers/media/v4l2-core/videobuf2-v4l2.c @@ -141,7 +141,6 @@ static void vb2_warn_zero_bytesused(struct vb2_buffer *vb) return; check_once = true; - WARN_ON(1); pr_warn("use of bytesused == 0 is deprecated and will be removed in the future,\n"); if (vb->vb2_queue->allow_zero_bytesused) |