From: Roel Kluin <roel.kluin@gmail.com>
Date: Fri, 18 Dec 2009 15:22:43 +0000 (-0300)
Subject: V4L/DVB (13868): gspca - sn9c20x: Fix test of unsigned.
X-Git-Tag: v2.6.32.5~15
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=56a7f72d020e86c33b3c829c9a89d33f8c359305;p=karo-tx-linux.git

V4L/DVB (13868): gspca - sn9c20x: Fix test of unsigned.

commit c60503c1db76bd46577cc7ff4fafa033b675e0e5 upstream.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c
index cdad3db33367..e0a3b759a4c7 100644
--- a/drivers/media/video/gspca/sn9c20x.c
+++ b/drivers/media/video/gspca/sn9c20x.c
@@ -2319,7 +2319,7 @@ static void do_autogain(struct gspca_dev *gspca_dev, u16 avg_lum)
 		}
 	}
 	if (avg_lum > MAX_AVG_LUM) {
-		if (sd->gain - 1 >= 0) {
+		if (sd->gain >= 1) {
 			sd->gain--;
 			set_gain(gspca_dev);
 		}