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ralink: check ethernet MAC address whether it is valid

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The mac address usually write in factory block. but sometime user erase this block , the mac address will change to ff:ff:ff:ff:ff:ff.
This patch is purpose to fix this issue.

Signed-off-by: wengbj <linux.c@foxmail.com>

SVN-Revision: 44166
This commit is contained in:
John Crispin 2015-01-28 12:06:22 +00:00
parent 09a227a191
commit c56cf3edc7
1 changed files with 3 additions and 1 deletions
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4
target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c
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@ -1220,8 +1220,10 @@ static int __init fe_init(struct net_device *dev)
if (priv->soc->switch_init)
priv->soc->switch_init(priv);
memcpy(dev->dev_addr, priv->soc->mac, ETH_ALEN);
of_get_mac_address_mtd(priv->device->of_node, dev->dev_addr);
/*If the mac address is invalid, use default mac address */
if (!is_valid_ether_addr(dev->dev_addr))
memcpy(dev->dev_addr, priv->soc->mac, ETH_ALEN);
err = fe_mdio_init(priv);
if (err)