wireless: mark reg_mutex as static

Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 994c7c5f071b53b969506c8962626d6597f1faa3..1ac2bdd46ecf9c4710f8d51128a6e9a7fd815be1 100644 (file)
--- a/net/wireless/reg.c
+++ b/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 */