From: Yogesh Ashok Powar <yogeshp@marvell.com>
Date: Fri, 25 Jan 2013 10:47:45 +0000 (+0530)
Subject: mwl8k: Do not call mwl8k_cmd_set_rf_channel unconditionally
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0f4316b9;p=linux-beck.git

mwl8k: Do not call mwl8k_cmd_set_rf_channel unconditionally

Avoid calling mwl8k_cmd_set_rf_channel unconditionally
by checking IEEE80211_CONF_CHANGE_CHANNEL.

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 398b8b19ff84..78a89f6426b1 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -4797,9 +4797,11 @@ static int mwl8k_config(struct ieee80211_hw *hw, u32 changed)
 	if (rc)
 		goto out;
 
-	rc = mwl8k_cmd_set_rf_channel(hw, conf);
-	if (rc)
-		goto out;
+	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+		rc = mwl8k_cmd_set_rf_channel(hw, conf);
+		if (rc)
+			goto out;
+	}
 
 	if (conf->power_level > 18)
 		conf->power_level = 18;