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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>
This commit is contained in:
Steven Toth 2007-09-06 22:48:35 -03:00 committed by Mauro Carvalho Chehab
parent 4730d3af62
commit 48200baeab
1 changed files with 1 additions and 1 deletions
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2
drivers/media/video/cx88/cx88-mpeg.c
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@ -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;
}