Re: Freescale FEC: fall back to random address

From: Frank Li
Date: Tue Apr 02 2013 - 04:23:24 EST


I think it is okay.

2013/4/1 Pavel Machek <pavel@xxxxxxx>:
> If there's no valid ethernet address, fall back to randomly generated
> one.
>
> (Yes, I need to get newer u-boot for the board, but as the only
> available one is from 2009... this might be good idea).
>
> Signed-off-by: Pavel Machek <pavel@xxxxxxx>
>
>
> index e3f3937..5a7d1e1 100644
> pp--- a/drivers/net/ethernet/freescale/fec.c
> +++ b/drivers/net/ethernet/freescale/fec.c
> @@ -906,6 +914,16 @@ 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);
> + random_ether_addr(iap);
> + netdev_info(ndev, "Using random MAC address: %pM\n", iap);
> + }
> +
> memcpy(ndev->dev_addr, iap, ETH_ALEN);
>
> /* Adjust MAC if using macaddr */
>
> --
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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