staging: vt6655: device_rx_srv check sk_buff is NULL
authorMalcolm Priestley <tvboxspy@gmail.com>
Sun, 31 May 2015 09:35:28 +0000 (10:35 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 12 Aug 2015 14:33:13 +0000 (16:33 +0200)
commit35ee488df7402c0549f8329dc20690cf7fe22492
tree2b3f2960fc819d0109eaede0269bfb0f10f331b9
parent23a910129bb1fa840ffd86f3e8a0de2dcf1440e0
staging: vt6655: device_rx_srv check sk_buff is NULL

commit b5eeed8cb6097c8ea660b6598d36fdbb94065a22 upstream.

There is a small chance that pRD->pRDInfo->skb could go NULL
while the interrupt is processing.

Put NULL check on loop to break out.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[bwh: Backported to 3.2: adjust context, indentation]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/staging/vt6655/device_main.c