diff options
| author | Steven Toth <stoth@hauppauge.com> | 2007-09-15 12:28:26 -0400 |
|---|---|---|
| committer | Willy Tarreau <w@1wt.eu> | 2007-10-17 21:30:32 +0200 |
| commit | 05e3c38409401e00703ee50df8ee989dfa35be63 (patch) | |
| tree | 3cf64f4924de10cacef4a16287a1b291aefe0424 | |
| parent | 38501230b09293bffac60325841203877a2a7f5f (diff) | |
[PATCH] V4L: cx88: Avoid a NULL pointer dereference during mpeg_open()
(cherry picked from commit 48200baeab95fd39a7f4c4f3536c7142a64ac335)
[PATCH] V4L: cx88: Avoid a NULL pointer dereference during mpeg_open()
Bug: With a hardware encoder board installed as cx88[1] and a
non-encoder boards installed as cx88[0], an OOPS is generated
during cx8802_get_device() called from mpeg_open().
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/media/video/cx88/cx88-mpeg.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c index 1fe1a833c7c7..1093ff47345c 100644 --- a/drivers/media/video/cx88/cx88-mpeg.c +++ b/drivers/media/video/cx88/cx88-mpeg.c @@ -556,7 +556,7 @@ struct cx8802_dev * cx8802_get_device(struct inode *inode) list_for_each(list,&cx8802_devlist) { h = list_entry(list, struct cx8802_dev, devlist); - if (h->mpeg_dev->minor == minor) + if (h->mpeg_dev && h->mpeg_dev->minor == minor) return h; } |