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authorKonstantin Khlebnikov <khlebnikov@openvz.org>2011-11-07 09:54:58 +0400
committerDavid S. Miller <davem@davemloft.net>2011-11-07 22:25:41 +0400
commit23ba07991dad5a96a024c1b45cb602eef5f83df8 (patch)
tree1404d618c42757a234dfb1f0efe946411ecf1b0e /drivers/net
parent012641082b34433dac3cbb452e0a6ceccfd4643f (diff)
downloadlinux-23ba07991dad5a96a024c1b45cb602eef5f83df8.tar.xz
usbnet: fix oops in usbnet_start_xmit
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> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/usb/usbnet.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 7d6082160bcc..fae0fbd8bc88 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