rocker: use netdev_err after register_netdev

After successful register_netdev, we can use netdev_err rather the more
generic dev_err.

Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
index 5309d1f..b77e0e7 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c
@@ -4988,7 +4988,7 @@
 
 	err = rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, 0);
 	if (err) {
-		dev_err(&pdev->dev, "install ig port table failed\n");
+		netdev_err(rocker_port->dev, "install ig port table failed\n");
 		goto err_port_ig_tbl;
 	}