From: Figo.zhang <figo1802@gmail.com>
Date: Wed, 3 Jun 2009 02:01:04 +0000 (-0300)
Subject: V4L/DVB (11991): buf-core.c: add pointer check
X-Git-Tag: v2.6.31-rc1~297^2~65
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=96ceea2734d922d07000e98606231f3d675e09f8;p=pandora-kernel.git

V4L/DVB (11991): buf-core.c: add pointer check

add poiter check for videobuf_queue_core_init().

any guys who write a v4l driver, pass a NULL pointer or a non-inintial
pointer to the first parameter such as videobuf_queue_sg_init() , it
would be crashed.

Signed-off-by: Figo.zhang <figo1802@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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