Commit 0dac45f0 authored Nov 10, 2015 by Dan Carpenter Committed by Mauro Carvalho Chehab Nov 17, 2015

[media] av7110: potential divide by zero

"len" comes from dvb_video_ioctl() and there is a possibility that it is
zero. We do a divide by len later in the function so that's not ok.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

parent 75d63a40

drivers/media/pci/ttpci/av7110_av.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1045,6 +1045,9 @@ static int play_iframe(struct av7110 av7110, char __user buf, unsigned int len

		dprintk(2, "av7110:%p, \n", av7110);

		if (len == 0)
		return 0;

		if (!(av7110->playing & RP_VIDEO)) {
		if (av7110_av_start_play(av7110, RP_VIDEO) < 0)
		return -EBUSY;