diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index 486a8d3..8284168 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -2272,9 +2272,9 @@
 	spin_unlock_bh(&priv->_agn.notif_wait_lock);
 }
 
-signed long iwlagn_wait_notification(struct iwl_priv *priv,
-				     struct iwl_notification_wait *wait_entry,
-				     unsigned long timeout)
+int iwlagn_wait_notification(struct iwl_priv *priv,
+			     struct iwl_notification_wait *wait_entry,
+			     unsigned long timeout)
 {
 	int ret;
 
@@ -2286,7 +2286,10 @@
 	list_del(&wait_entry->list);
 	spin_unlock_bh(&priv->_agn.notif_wait_lock);
 
-	return ret;
+	/* return value is always >= 0 */
+	if (ret <= 0)
+		return -ETIMEDOUT;
+	return 0;
 }
 
 void iwlagn_remove_notification(struct iwl_priv *priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index ee7c5ba..435dd2d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -73,13 +73,9 @@
 		IWL_ERR(priv, "Error disabling PAN (%d)\n", ret);
 		iwlagn_remove_notification(priv, &disable_wait);
 	} else {
-		signed long wait_res;
-
-		wait_res = iwlagn_wait_notification(priv, &disable_wait, HZ);
-		if (wait_res == 0) {
+		ret = iwlagn_wait_notification(priv, &disable_wait, HZ);
+		if (ret)
 			IWL_ERR(priv, "Timed out waiting for PAN disable\n");
-			ret = -EIO;
-		}
 	}
 
 	return ret;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h
index b9871c4..ba90aa4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
@@ -343,7 +343,7 @@
 					 struct iwl_rx_packet *pkt,
 					 void *data),
 			      void *fn_data);
-signed long __releases(wait_entry)
+int __must_check __releases(wait_entry)
 iwlagn_wait_notification(struct iwl_priv *priv,
 			 struct iwl_notification_wait *wait_entry,
 			 unsigned long timeout);