net: macb: move pm_exit label at the end of function

Move pm_exit label at the end of function. This is to prepare
the field for the next commit.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>

Author: claudiubeznea

drivers/net/ethernet/cadence/macb_main.c

@@ -2507,12 +2507,12 @@ static int macb_open(struct net_device *dev)
 	if (bp->ptp_info)
 		bp->ptp_info->ptp_init(dev);
 
-pm_exit:
-	if (err) {
-		pm_runtime_put_sync(&bp->pdev->dev);
-		return err;
-	}
 	return 0;
+
+pm_exit:
+	pm_runtime_put_sync(&bp->pdev->dev);
+
+	return err;
 }
 
 static int macb_close(struct net_device *dev)