2011-12-27 13:26:20

by Mohammed Shafi Shajakhan

[permalink] [raw]
Subject: [PATCH v2] mac80211: use RCU read locks for sta_info_get

From: Mohammed Shafi Shajakhan <[email protected]>

this is being recently introduced by the commit
a85e1d55974646a442d95911e3f7d7a891ea9ac5

Cc: Paul Stewart <[email protected]>
Signed-off-by: Mohammed Shafi Shajakhan <[email protected]>
---
net/mac80211/mlme.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 57989a0..ecb4c84 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)
--
1.7.0.4