cfg80211: rename cfg80211_drv_mutex to cfg80211_mutex

cfg80211_drv_mutex is protecting more than the driver list,
this renames it and documents what its currently supposed to
protect.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 10 insertions, 10 deletions

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b176bb800100..88a530f707e6 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -256,7 +256,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
         int start = cb->args[0];
         struct cfg80211_registered_device *dev;
 
-        mutex_lock(&cfg80211_drv_mutex);
+        mutex_lock(&cfg80211_mutex);
         list_for_each_entry(dev, &cfg80211_drv_list, list) {
                 if (++idx <= start)
                         continue;
@@ -267,7 +267,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
                         break;
                 }
         }
-        mutex_unlock(&cfg80211_drv_mutex);
+        mutex_unlock(&cfg80211_mutex);
 
         cb->args[0] = idx;
 
@@ -470,7 +470,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
         struct cfg80211_registered_device *dev;
         struct wireless_dev *wdev;
 
-        mutex_lock(&cfg80211_drv_mutex);
+        mutex_lock(&cfg80211_mutex);
         list_for_each_entry(dev, &cfg80211_drv_list, list) {
                 if (wp_idx < wp_start) {
                         wp_idx++;
@@ -497,7 +497,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
                 wp_idx++;
         }
  out:
-        mutex_unlock(&cfg80211_drv_mutex);
+        mutex_unlock(&cfg80211_mutex);
 
         cb->args[0] = wp_idx;
         cb->args[1] = if_idx;
@@ -1916,9 +1916,9 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
         if (is_world_regdom(data))
                 return -EINVAL;
 #endif
-        mutex_lock(&cfg80211_drv_mutex);
+        mutex_lock(&cfg80211_mutex);
         r = __regulatory_hint(NULL, REGDOM_SET_BY_USER, data, 0, ENVIRON_ANY);
-        mutex_unlock(&cfg80211_drv_mutex);
+        mutex_unlock(&cfg80211_mutex);
         /* This means the regulatory domain was already set, however
          * we don't want to confuse userspace with a "successful error"
          * message so lets just treat it as a success */
@@ -2112,7 +2112,7 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
         unsigned int i;
         int err = -EINVAL;
 
-        mutex_lock(&cfg80211_drv_mutex);
+        mutex_lock(&cfg80211_mutex);
 
         if (!cfg80211_regdomain)
                 goto out;
@@ -2175,7 +2175,7 @@ nla_put_failure:
         genlmsg_cancel(msg, hdr);
         err = -EMSGSIZE;
 out:
-        mutex_unlock(&cfg80211_drv_mutex);
+        mutex_unlock(&cfg80211_mutex);
         return err;
 }
 
@@ -2234,9 +2234,9 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
 
         BUG_ON(rule_idx != num_rules);
 
-        mutex_lock(&cfg80211_drv_mutex);
+        mutex_lock(&cfg80211_mutex);
         r = set_regdom(rd);
-        mutex_unlock(&cfg80211_drv_mutex);
+        mutex_unlock(&cfg80211_mutex);
         return r;
 
  bad_reg: