cfg80211: remove some locked wrappers from sme API

By making all the API functions require wdev locking we
can clean up the API a bit, getting rid of the locking
version of each function. This also decreases the size
of cfg80211 by a small amount.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 5017242..74458b7f 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -858,8 +858,10 @@
 			break;
 		case NL80211_IFTYPE_STATION:
 		case NL80211_IFTYPE_P2P_CLIENT:
+			wdev_lock(dev->ieee80211_ptr);
 			cfg80211_disconnect(rdev, dev,
 					    WLAN_REASON_DEAUTH_LEAVING, true);
+			wdev_unlock(dev->ieee80211_ptr);
 			break;
 		case NL80211_IFTYPE_MESH_POINT:
 			/* mesh should be handled? */