From: Christian Lamparter <chunkeey@googlemail.com>
Date: Sun, 26 Dec 2010 17:21:53 +0000 (+0100)
Subject: carl9170: add missing return-value check
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c9e57f0fdccf74ef7884fed61d212e524b9c4bcd;p=linux-beck.git

carl9170: add missing return-value check

This patch adds a forgotten bail-out path.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath/carl9170/phy.c b/drivers/net/wireless/ath/carl9170/phy.c
index 82bc81c4c930..122e75ee8eff 100644
--- a/drivers/net/wireless/ath/carl9170/phy.c
+++ b/drivers/net/wireless/ath/carl9170/phy.c
@@ -1676,6 +1676,8 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
 
 	err = carl9170_write_reg(ar, AR9170_PHY_REG_HEAVY_CLIP_ENABLE,
 				 0x200);
+	if (err)
+		return err;
 
 	err = carl9170_init_rf_bank4_pwr(ar,
 		channel->band == IEEE80211_BAND_5GHZ,