wireless: remove cfg80211_reg_mutex

This mutex is wrong, we use cfg80211_drv_mutex (which should
possibly be renamed to just cfg80211_mutex) everywhere except
in one place, fix that and get rid of the extra mutex.

Also get rid of a spurious regulatory_requests list definition.

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

3 files changed, 2 insertions, 8 deletions

diff --git a/net/wireless/core.c b/net/wireless/core.c
index 5031db7b275b..72825afe2bf6 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -301,12 +301,10 @@ int wiphy_register(struct wiphy *wiphy)
         /* check and set up bitrates */
         ieee80211_set_bitrate_flags(wiphy);
 
+        mutex_lock(&cfg80211_drv_mutex);
+
         /* set up regulatory info */
-        mutex_lock(&cfg80211_reg_mutex);
         wiphy_update_regulatory(wiphy, REGDOM_SET_BY_CORE);
-        mutex_unlock(&cfg80211_reg_mutex);
-
-        mutex_lock(&cfg80211_drv_mutex);
 
         res = device_add(&drv->wiphy.dev);
         if (res)
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 626dbb688499..581273d86844 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -52,7 +52,6 @@ struct regulatory_request {
 };
 
 static LIST_HEAD(regulatory_requests);
-DEFINE_MUTEX(cfg80211_reg_mutex);
 
 /* To trigger userspace events */
 static struct platform_device *reg_pdev;
@@ -63,8 +62,6 @@ static u32 supported_bandwidths[] = {
         MHZ_TO_KHZ(20),
 };
 
-static struct list_head regulatory_requests;
-
 /* Central wireless core regulatory domains, we only need two,
  * the current one and a world regulatory domain in case we have no
  * information to give us an alpha2 */
diff --git a/net/wireless/reg.h b/net/wireless/reg.h
index a4845b140a84..0c1572b92fef 100644
--- a/net/wireless/reg.h
+++ b/net/wireless/reg.h
@@ -1,7 +1,6 @@
 #ifndef __NET_WIRELESS_REG_H
 #define __NET_WIRELESS_REG_H
 
-extern struct mutex cfg80211_reg_mutex;
 bool is_world_regdom(const char *alpha2);
 bool reg_is_valid_request(const char *alpha2);