From 30fa904724b9c7737264e2eada7f16afc8deee79 Mon Sep 17 00:00:00 2001
From: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Date: Tue, 27 Dec 2011 18:54:07 +0530
Subject: 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>
---
 net/mac80211/mlme.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'net')

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 57989a046fc..ecb4c84c1bb 100644
--- 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)
-- 
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