mac80211: use RCU read locks for sta_info_get
authorMohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Tue, 27 Dec 2011 13:24:07 +0000 (18:54 +0530)
committerJohn W. Linville <linville@tuxdriver.com>
Wed, 4 Jan 2012 19:30:46 +0000 (14:30 -0500)
this is being recently introduced by the commit
a85e1d55974646a442d95911e3f7d7a891ea9ac5

Cc: Paul Stewart <pstew@google.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
net/mac80211/mlme.c

index 57989a046fcace8570efa32612d09d5e9d345cc7..ecb4c84c1bb389decfedfb182bea2b534dcd258d 100644 (file)
@@ -1385,9 +1385,11 @@ void ieee80211_beacon_connection_loss_work(struct work_struct *work)
        struct sta_info *sta;
 
        if (ifmgd->associated) {
+               rcu_read_lock();
                sta = sta_info_get(sdata, ifmgd->bssid);
                if (sta)
                        sta->beacon_loss_count++;
+               rcu_read_unlock();
        }
 
        if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)