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Commit ff5b2fab authored by Lucas Stach's avatar Lucas Stach Committed by David S. Miller
Browse files

net: fec: add fallback to random MAC address 



If no valid MAC address could be obtained from the hardware,
fall back to a randomly generated one.

Signed-off-by: default avatarPavel Machek <pavel@denx.de>
Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e768fb29

drivers/net/ethernet/freescale/fec_main.c

+12 −0
Original line number Diff line number Diff line
@@ -1038,6 +1038,18 @@ static void fec_get_mac(struct net_device *ndev) 
		iap = &tmpaddr[0];

	}



	/*

	 * 5) random mac address

	 */

	if (!is_valid_ether_addr(iap)) {

		/* Report it and use a random ethernet address instead */

		netdev_err(ndev, "Invalid MAC address: %pM\n", iap);

		eth_hw_addr_random(ndev);

		netdev_info(ndev, "Using random MAC address: %pM\n",

			    ndev->dev_addr);

		return;

	}



	memcpy(ndev->dev_addr, iap, ETH_ALEN);



	/* Adjust MAC if using macaddr */