Failing initialization on a missing MAC address property is excessive.
We can just fall back to using a random MAC instead, which at least
leaves the interface in a functioning state.
Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
        /* Retrieve the MAC address */
        mac_addr = of_get_mac_address(pdev->dev.of_node);
        if (IS_ERR(mac_addr)) {
-               dev_err(&pdev->dev, "could not find MAC address\n");
-               goto free_netdev;
+               dev_warn(&pdev->dev, "could not find MAC address property: %ld\n",
+                        PTR_ERR(mac_addr));
+               mac_addr = NULL;
        }
        axienet_set_mac_address(ndev, mac_addr);