| [PATCH v2] usbnet: fix oops in usbnet_start_xmit [message #43995] |
Mon, 07 November 2011 14:55  |
Konstantin Khlebnikov
Messages: 2
Registered: November 2011
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Junior Member |
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This patch fixes the bug added in commit v3.1-rc7-1055-gf9b491e
SKB can be NULL at this point, at least for cdc-ncm.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
---
drivers/net/usb/usbnet.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 7d60821..fae0fbd 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1057,7 +1057,8 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
unsigned long flags;
int retval;
- skb_tx_timestamp(skb);
+ if (skb)
+ skb_tx_timestamp(skb);
// some devices want funky USB-level framing, for
// win32 driver (usually) and/or hardware quirks
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