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| author | John Crispin <john@openwrt.org> | 2015-01-28 12:06:22 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2015-01-28 12:06:22 +0000 |
| commit | c56cf3edc7f59ed0f848a31bc307537df847238b (patch) | |
| tree | 91c9688cc016d06b73b932acb4ac57d5373b16c1 /target/linux/ramips | |
| parent | 09a227a19169b5ce55b8521e34117a3d71372939 (diff) | |
| download | mtk-20170518-c56cf3edc7f59ed0f848a31bc307537df847238b.zip mtk-20170518-c56cf3edc7f59ed0f848a31bc307537df847238b.tar.gz mtk-20170518-c56cf3edc7f59ed0f848a31bc307537df847238b.tar.bz2 | |
ralink: check ethernet MAC address whether it is valid
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
Diffstat (limited to 'target/linux/ramips')
| -rw-r--r-- | target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c index d7d1e8e..9900a5e 100644 --- a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c +++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c @@ -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) |