Commit 96ceea27 authored Jun 02, 2009 by Figo.zhang Committed by Mauro Carvalho Chehab Jun 16, 2009

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>

parent d5709a0e

drivers/media/video/videobuf-core.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -118,6 +118,7 @@ void videobuf_queue_core_init(struct videobuf_queue *q,
		void *priv,
		struct videobuf_qtype_ops *int_ops)
		{
		BUG_ON(!q);
		memset(q, 0, sizeof(*q));
		q->irqlock = irqlock;
		q->dev = dev;