cfg80211/mac80211: use lockdep_assert_held

Instead of using a WARN_ON(!mutex_is_locked())
use lockdep_assert_held() which compiles away
completely when lockdep isn't enabled, and
also is a more accurate assertion since it
checks that the current thread is holding the
mutex.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 0cb822cc12e9..bfb0eab5c26d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -92,7 +92,7 @@ enum rx_mgmt_action {
 /* utils */
 static inline void ASSERT_MGD_MTX(struct ieee80211_if_managed *ifmgd)
 {
-        WARN_ON(!mutex_is_locked(&ifmgd->mtx));
+        lockdep_assert_held(&ifmgd->mtx);
 }
 
 /*