| Message ID | 20151110222353.GE30281@mwanda (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/media/pci/ttpci/av7110_av.c b/drivers/media/pci/ttpci/av7110_av.c index ccb3b2c..1cf9060 100644 --- a/drivers/media/pci/ttpci/av7110_av.c +++ b/drivers/media/pci/ttpci/av7110_av.c @@ -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;
"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> -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html