2011-12-25 15:06:43

by Mohammed Shafi Shajakhan

[permalink] [raw]
Subject: [RFC] mac80211: use rcu_read_lock before sta_info_get

From: Mohammed Shafi Shajakhan <[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..c8a1acc 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1385,7 +1385,9 @@ 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);
+ rcu_read_unlock();
if (sta)
sta->beacon_loss_count++;
}
--
1.7.0.4