mac80211: use synchronize_net() on key destroying

__ieee80211_key_destroy() calls synchronize_rcu() in
order to sync the tx path before destroying the key.

However, synching the tx path can be done with
synchronize_net() as well, which is usually faster
(the timing might be important for roaming scenarios).

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 7ae678ba5d679dbd40fc7c199c499ed82228757f..d27e61aaa71bd7200c527606820f5d5d82c39ff0 100644 (file)
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -402,7 +402,7 @@ static void __ieee80211_key_destroy(struct ieee80211_key *key)
         * Synchronize so the TX path can no longer be using
         * this key before we free/remove it.
         */
-       synchronize_rcu();
+       synchronize_net();
 
        if (key->local)
                ieee80211_key_disable_hw_accel(key);