iwlwifi: mvm: unregister leds when registration failed

This was missing and prevented any further attempts
to load the module.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index e08683b..cab2f0c 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -257,7 +257,11 @@
 	if (ret)
 		return ret;
 
-	return ieee80211_register_hw(mvm->hw);
+	ret = ieee80211_register_hw(mvm->hw);
+	if (ret)
+		iwl_mvm_leds_exit(mvm);
+
+	return ret;
 }
 
 static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,