--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1133,7 +1133,7 @@ static u16 ieee80211_netdev_select_queue
 	return ieee80211_select_queue(IEEE80211_DEV_TO_SUB_IF(dev), skb);
 }
 
-static void
+static struct rtnl_link_stats64 *
 ieee80211_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
 	int i;
@@ -1158,6 +1158,8 @@ ieee80211_get_stats64(struct net_device
 		stats->rx_bytes   += rx_bytes;
 		stats->tx_bytes   += tx_bytes;
 	}
+
+	return stats;
 }
 
 static const struct net_device_ops ieee80211_dataif_ops = {