From: Colin Ian King <colin.king@canonical.com>
Date: Sat, 3 Sep 2016 17:04:17 +0000 (-0300)
Subject: [media] cx24120: do not allow an invalid delivery system types
X-Git-Tag: v4.10-rc1~71^2^2~340
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c0b34ab141505087d7d66f447d77e6023f34501e;p=karo-tx-linux.git

[media] cx24120: do not allow an invalid delivery system types

cx24120_set_frontend currently allows invalid delivery system types
other than SYS_DVBS2 and SYS_DVBS.  Fix this by returning -EINVAL
for invalid values.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Jemma Denson <jdenson@gmail.com>
---

diff --git a/drivers/media/dvb-frontends/cx24120.c b/drivers/media/dvb-frontends/cx24120.c
index 066ee387bf25..3112a3206d46 100644
--- a/drivers/media/dvb-frontends/cx24120.c
+++ b/drivers/media/dvb-frontends/cx24120.c
@@ -1154,8 +1154,7 @@ static int cx24120_set_frontend(struct dvb_frontend *fe)
 		dev_dbg(&state->i2c->dev,
 			"delivery system(%d) not supported\n",
 			c->delivery_system);
-		ret = -EINVAL;
-		break;
+		return -EINVAL;
 	}
 
 	state->dnxt.delsys = c->delivery_system;