diff --git a/[refs] b/[refs]
index 3a814fa1a7c8..87380fc21025 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d5ece2150a8a1715fea3272e057c45d98edb78ea
+refs/heads/master: 670b7f11ff1f8492f51716474cf582f55a2247ba
diff --git a/trunk/net/wireless/reg.c b/trunk/net/wireless/reg.c
index 994c7c5f071b..1ac2bdd46ecf 100644
--- a/trunk/net/wireless/reg.c
+++ b/trunk/net/wireless/reg.c
@@ -80,7 +80,7 @@ static const struct ieee80211_regdomain *country_ie_regdomain;
  *     - country_ie_regdomain
  *     - last_request
  */
-DEFINE_MUTEX(reg_mutex);
+static DEFINE_MUTEX(reg_mutex);
 #define assert_reg_lock() WARN_ON(!mutex_is_locked(&reg_mutex))
 
 /* Used to queue up regulatory hints */