cfg80211: properly name driver locking

Currently we call that cfg80211_put_dev(), but that is
misleading. With the new convention of using 'rdev' for
registered_device variables, also call that function
cfg80211_unlock_rdev().

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 9253994..1625faf 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -28,8 +28,6 @@
 	if (!dev)
 		goto out;
 
-	WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req);
-
 	/*
 	 * This must be before sending the other events!
 	 * Otherwise, wpa_supplicant gets completely confused with
@@ -636,7 +634,7 @@
 	} else
 		nl80211_send_scan_start(rdev, dev);
  out:
-	cfg80211_put_dev(rdev);
+	cfg80211_unlock_rdev(rdev);
 	return err;
 }
 EXPORT_SYMBOL_GPL(cfg80211_wext_siwscan);
@@ -945,7 +943,7 @@
 	}
 
  out:
-	cfg80211_put_dev(rdev);
+	cfg80211_unlock_rdev(rdev);
 	return res;
 }
 EXPORT_SYMBOL_GPL(cfg80211_wext_giwscan);