---- a/drivers/net/phy/ar40xx.c
-+++ b/drivers/net/phy/ar40xx.c
-@@ -2021,6 +2021,12 @@ static int ar40xx_probe(struct platform_
- /* register switch */
- swdev = &priv->dev;
-
-+ if (priv->mii_bus == NULL) {
-+ dev_err(&pdev->dev, "Probe failed - Missing PHYs!\n");
-+ ret = -ENODEV;
-+ goto err_missing_phy;
-+ }
-+
- swdev->alias = dev_name(&priv->mii_bus->dev);
-
- swdev->cpu_port = AR40XX_PORT_CPU;
-@@ -2052,6 +2058,7 @@ err_unregister_switch:
- unregister_switch(&priv->dev);
- err_unregister_phy:
- phy_driver_unregister(&ar40xx_phy_driver);
-+err_missing_phy:
- platform_set_drvdata(pdev, NULL);
- return ret;
- }