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>

1 files changed, 6 insertions, 1 deletions

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);