From 23ba07991dad5a96a024c1b45cb602eef5f83df8 Mon Sep 17 00:00:00 2001 From: Konstantin Khlebnikov Date: Mon, 7 Nov 2011 05:54:58 +0000 Subject: [PATCH] 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 Acked-by: Richard Cochran Signed-off-by: David S. Miller --- drivers/net/usb/usbnet.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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