mac80211: use RCU read locks for sta_info_get

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>

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 57989a0..ecb4c84 100644 (file)
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -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)