From: Roel Kluin <roel.kluin@gmail.com>
Date: Tue, 11 Aug 2009 01:07:54 +0000 (-0300)
Subject: V4L/DVB (12438): Read buffer overflow
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=bb2b4542b6415044894cd7c147ff54840dd8ed3f;p=openwrt%2Fstaging%2Fblogic.git

V4L/DVB (12438): Read buffer overflow

parport[n] is checked before n < MAX_CAMS

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/video/bw-qcam.c b/drivers/media/video/bw-qcam.c
index 10dbd4a11b30..9e39bc5f7b00 100644
--- a/drivers/media/video/bw-qcam.c
+++ b/drivers/media/video/bw-qcam.c
@@ -992,7 +992,7 @@ static int accept_bwqcam(struct parport *port)
 
 	if (parport[0] && strncmp(parport[0], "auto", 4) != 0) {
 		/* user gave parport parameters */
-		for(n=0; parport[n] && n<MAX_CAMS; n++){
+		for (n = 0; n < MAX_CAMS && parport[n]; n++) {
 			char *ep;
 			unsigned long r;
 			r = simple_strtoul(parport[n], &ep, 0);