mac80211: remove bogus rcu_read_lock()

Another remnant of the previous key locking scheme
needs to be removed -- this causes a warning
otherwise as ieee80211_set_default_mgmt_key will
acquire a mutex.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 35b07ea..db82da9 100644 (file)
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -324,15 +324,10 @@ static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
                                             struct net_device *dev,
                                             u8 key_idx)
 {
-       struct ieee80211_sub_if_data *sdata;
-
-       rcu_read_lock();
+       struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        ieee80211_set_default_mgmt_key(sdata, key_idx);
 
-       rcu_read_unlock();
-
        return 0;
 }