net: marvell: prestera: simplify the return expression of prestera_port_close()

Simplify the return expression.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/marvell/prestera/prestera_main.c

@@ -93,15 +93,10 @@ static int prestera_port_open(struct net_device *dev)
 static int prestera_port_close(struct net_device *dev)
 {
 	struct prestera_port *port = netdev_priv(dev);
-	int err;
 
 	netif_stop_queue(dev);
 
-	err = prestera_hw_port_state_set(port, false);
-	if (err)
-		return err;
-
-	return 0;
+	return prestera_hw_port_state_set(port, false);
 }
 
 static netdev_tx_t prestera_port_xmit(struct sk_buff *skb,