From: Eliad Peller <eliad@wizery.com>
Date: Thu, 29 Dec 2011 12:41:39 +0000 (+0200)
Subject: mac80211: check sta_apply_parameters() return value
X-Git-Tag: firefly_0821_release~3680^2~3338^2~112^2~467
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=35b88623692f7ffbfdf16e4c2358784a060c20ed;p=firefly-linux-kernel-4.4.55.git

mac80211: check sta_apply_parameters() return value

Bail out if sta_apply_parameters() returns an error.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 296620d6ca0c..d86730fe75c8 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1001,6 +1001,7 @@ static int ieee80211_change_station(struct wiphy *wiphy,
 	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct sta_info *sta;
 	struct ieee80211_sub_if_data *vlansdata;
+	int err;
 
 	mutex_lock(&local->sta_mtx);
 
@@ -1040,7 +1041,11 @@ static int ieee80211_change_station(struct wiphy *wiphy,
 		ieee80211_send_layer2_update(sta);
 	}
 
-	sta_apply_parameters(local, sta, params);
+	err = sta_apply_parameters(local, sta, params);
+	if (err) {
+		mutex_unlock(&local->sta_mtx);
+		return err;
+	}
 
 	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
 		rate_control_rate_init(sta);