mac80211: remove bogus rcu_read_lock()

Commit Message

Johannes Berg July 22, 2010, 11:58 a.m. UTC

None

Patch

--- wireless-testing.orig/net/mac80211/cfg.c	2010-07-22 12:24:38.000000000 +0200
+++ wireless-testing/net/mac80211/cfg.c	2010-07-22 13:56:19.000000000 +0200
@@ -324,15 +324,10 @@  static int ieee80211_config_default_mgmt
 					     struct net_device *dev,
 					     u8 key_idx)
 {
-	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-	rcu_read_lock();
-
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	ieee80211_set_default_mgmt_key(sdata, key_idx);
 
-	rcu_read_unlock();
-
 	return 0;
 }