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| author | Figo.zhang <figo1802@gmail.com> | 2009-06-02 23:01:04 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-06-16 19:07:51 -0300 |
| commit | 96ceea2734d922d07000e98606231f3d675e09f8 (patch) | |
| tree | c840d7f3cb867b5cd382cb83d54c6006b8d9d02a /drivers/media/video/videobuf-core.c | |
| parent | d5709a0e3dfe22e24d871ef1e0eec9ae04055997 (diff) | |
| download | lwn-96ceea2734d922d07000e98606231f3d675e09f8.tar.gz lwn-96ceea2734d922d07000e98606231f3d675e09f8.zip | |
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>
Diffstat (limited to 'drivers/media/video/videobuf-core.c')
| -rw-r--r-- | drivers/media/video/videobuf-core.c | 1 |
1 files changed, 1 insertions, 0 deletions
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; |