net: socionext: Fix error return code in netsec_netdev_open()

Fix to return error code -ENODEV from the of_phy_connect() error
handling case instead of 0, as done elsewhere in this function.

Fixes: 533dd11a ("net: socionext: Add Synquacer NetSec driver")
Signed-off-by: NWei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/socionext/netsec.c

@@ -1293,6 +1293,7 @@ static int netsec_netdev_open(struct net_device *ndev)
 				    netsec_phy_adjust_link, 0,
 				    priv->phy_interface)) {
 			netif_err(priv, link, priv->ndev, "missing PHY\n");
+			ret = -ENODEV;
 			goto err3;
 		}
 	} else {