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authorSteven Toth <stoth@hauppauge.com>2007-09-06 22:48:35 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-09-14 13:13:42 -0300
commit48200baeab95fd39a7f4c4f3536c7142a64ac335 (patch)
treec08fb3e4dca3d62b6cd1559797f0b1f05b440ad5 /drivers/media
parent4730d3af625b532e3df5f091b5c8edb08f512fbf (diff)
V4L/DVB (6188): 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>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/cx88/cx88-mpeg.c2
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 317a2a3f9cc..da7a6b591a6 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -580,7 +580,7 @@ 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;
}