From 96ceea2734d922d07000e98606231f3d675e09f8 Mon Sep 17 00:00:00 2001 From: "Figo.zhang" Date: Tue, 2 Jun 2009 23:01:04 -0300 Subject: [PATCH] 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/videobuf-core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/video/videobuf-core.c b/drivers/media/video/videobuf-core.c index 48c3ebdb415f..f1ccf98c0a6f 100644 --- a/drivers/media/video/videobuf-core.c +++ b/drivers/media/video/videobuf-core.c @@ -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;