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-rw-r--r--drivers/net/usb/asix_devices.c9
-rw-r--r--drivers/net/usb/ch9200.c9
-rw-r--r--drivers/net/usb/hso.c18
-rw-r--r--drivers/net/usb/kaweth.c18
-rw-r--r--drivers/net/usb/lan78xx.c4
-rw-r--r--drivers/net/usb/qmi_wwan.c6
-rw-r--r--drivers/net/usb/smsc95xx.c12
7 files changed, 44 insertions, 32 deletions
diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
index 5be6b67492d5..393fd3ed6b94 100644
--- a/drivers/net/usb/asix_devices.c
+++ b/drivers/net/usb/asix_devices.c
@@ -729,8 +729,13 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1, &chipcode, 0);
chipcode &= AX_CHIPCODE_MASK;
- (chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) :
- ax88772a_hw_reset(dev, 0);
+ ret = (chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) :
+ ax88772a_hw_reset(dev, 0);
+
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret);
+ return ret;
+ }
/* Read PHYID register *AFTER* the PHY was reset properly */
phyid = asix_get_phyid(dev);
diff --git a/drivers/net/usb/ch9200.c b/drivers/net/usb/ch9200.c
index 8a40202c0a17..c4f1c363e24b 100644
--- a/drivers/net/usb/ch9200.c
+++ b/drivers/net/usb/ch9200.c
@@ -254,14 +254,9 @@ static struct sk_buff *ch9200_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
tx_overhead = 0x40;
len = skb->len;
- if (skb_headroom(skb) < tx_overhead) {
- struct sk_buff *skb2;
-
- skb2 = skb_copy_expand(skb, tx_overhead, 0, flags);
+ if (skb_cow_head(skb, tx_overhead)) {
dev_kfree_skb_any(skb);
- skb = skb2;
- if (!skb)
- return NULL;
+ return NULL;
}
__skb_push(skb, tx_overhead);
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index e7b516342678..66ae647b712e 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2808,6 +2808,12 @@ static int hso_get_config_data(struct usb_interface *interface)
return -EIO;
}
+ /* check if we have a valid interface */
+ if (if_num > 16) {
+ kfree(config_data);
+ return -EINVAL;
+ }
+
switch (config_data[if_num]) {
case 0x0:
result = 0;
@@ -2878,10 +2884,18 @@ static int hso_probe(struct usb_interface *interface,
/* Get the interface/port specification from either driver_info or from
* the device itself */
- if (id->driver_info)
+ if (id->driver_info) {
+ /* if_num is controlled by the device, driver_info is a 0 terminated
+ * array. Make sure, the access is in bounds! */
+ for (i = 0; i <= if_num; ++i)
+ if (((u32 *)(id->driver_info))[i] == 0)
+ goto exit;
port_spec = ((u32 *)(id->driver_info))[if_num];
- else
+ } else {
port_spec = hso_get_config_data(interface);
+ if (port_spec < 0)
+ goto exit;
+ }
/* Check if we need to switch to alt interfaces prior to port
* configuration */
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 66b34ddbe216..72d9e7954b0a 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -803,18 +803,12 @@ static netdev_tx_t kaweth_start_xmit(struct sk_buff *skb,
}
/* We now decide whether we can put our special header into the sk_buff */
- if (skb_cloned(skb) || skb_headroom(skb) < 2) {
- /* no such luck - we make our own */
- struct sk_buff *copied_skb;
- copied_skb = skb_copy_expand(skb, 2, 0, GFP_ATOMIC);
- dev_kfree_skb_irq(skb);
- skb = copied_skb;
- if (!copied_skb) {
- kaweth->stats.tx_errors++;
- netif_start_queue(net);
- spin_unlock_irq(&kaweth->device_lock);
- return NETDEV_TX_OK;
- }
+ if (skb_cow_head(skb, 2)) {
+ kaweth->stats.tx_errors++;
+ netif_start_queue(net);
+ spin_unlock_irq(&kaweth->device_lock);
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
}
private_header = (__le16 *)__skb_push(skb, 2);
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 6b4e38105b72..e143a7fe9320 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -2014,6 +2014,10 @@ static int lan78xx_set_mac_addr(struct net_device *netdev, void *p)
ret = lan78xx_write_reg(dev, RX_ADDRL, addr_lo);
ret = lan78xx_write_reg(dev, RX_ADDRH, addr_hi);
+ /* Added to support MAC address changes */
+ ret = lan78xx_write_reg(dev, MAF_LO(0), addr_lo);
+ ret = lan78xx_write_reg(dev, MAF_HI(0), addr_hi | MAF_HI_VALID_);
+
return 0;
}
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 2b728cc52e3a..16e5c8cd104d 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -895,8 +895,8 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */
{QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */
{QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */
- {QMI_FIXED_INTF(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354 */
- {QMI_FIXED_INTF(0x1199, 0x68c0, 10)}, /* Sierra Wireless MC7304/MC7354 */
+ {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354, WP76xx */
+ {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 10)},/* Sierra Wireless MC7304/MC7354 */
{QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */
{QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */
{QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */
@@ -951,7 +951,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
{QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */
{QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */
- {QMI_FIXED_INTF(0x1e0e, 0x9001, 5)}, /* SIMCom 7230E */
+ {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */
{QMI_QUIRK_SET_DTR(0x2c7c, 0x0125, 4)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */
{QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */
{QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index e29f4c0767eb..e719ecd69d01 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -2011,13 +2011,13 @@ static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev,
/* We do not advertise SG, so skbs should be already linearized */
BUG_ON(skb_shinfo(skb)->nr_frags);
- if (skb_headroom(skb) < overhead) {
- struct sk_buff *skb2 = skb_copy_expand(skb,
- overhead, 0, flags);
+ /* Make writable and expand header space by overhead if required */
+ if (skb_cow_head(skb, overhead)) {
+ /* Must deallocate here as returning NULL to indicate error
+ * means the skb won't be deallocated in the caller.
+ */
dev_kfree_skb_any(skb);
- skb = skb2;
- if (!skb)
- return NULL;
+ return NULL;
}
if (csum) {
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-11 15:47:30 +0000