Commit 48200bae authored Sep 06, 2007 by Steven Toth Committed by Mauro Carvalho Chehab Sep 14, 2007

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>

parent 4730d3af

drivers/media/video/cx88/cx88-mpeg.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}