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authorMauro Carvalho Chehab <mchehab@redhat.com>2009-06-03 02:01:04 +0000
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-06-03 02:01:04 +0000
commitedb804f93fd68c190d3c43e606f31c806343d647 (patch)
tree2056fae8e80f6d54b4b335d2bb807eec14a310c0 /linux/drivers/media
parent6c59e2781795481200d573e3a4ef8b033924987a (diff)
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buf-core.c: add pointer check
From: Figo.zhang <figo1802@gmail.com> 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>
Diffstat (limited to 'linux/drivers/media')
-rw-r--r--linux/drivers/media/video/videobuf-core.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/linux/drivers/media/video/videobuf-core.c b/linux/drivers/media/video/videobuf-core.c
index e9696385d..faf912403 100644
--- a/linux/drivers/media/video/videobuf-core.c
+++ b/linux/drivers/media/video/videobuf-core.c
@@ -119,6 +119,7 @@ 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;