diff options
Diffstat (limited to 'drivers/net/usb/dm9601.c')
| -rw-r--r-- | drivers/net/usb/dm9601.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index edd244f3acb..69a0436d394 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -414,6 +414,7 @@ static int dm9601_set_mac_address(struct net_device *net, void *p) static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf) { int ret; + u8 mac[ETH_ALEN]; ret = usbnet_get_endpoints(dev, intf); if (ret) @@ -438,12 +439,18 @@ static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf) udelay(20); /* read MAC */ - if (dm_read(dev, DM_PHY_ADDR, ETH_ALEN, dev->net->dev_addr) < 0) { + if (dm_read(dev, DM_PHY_ADDR, ETH_ALEN, mac) < 0) { printk(KERN_ERR "Error reading MAC address\n"); ret = -ENODEV; goto out; } + /* + * Overwrite the auto-generated address only with good ones. + */ + if (is_valid_ether_addr(mac)) + memcpy(dev->net->dev_addr, mac, ETH_ALEN); + /* power up phy */ dm_write_reg(dev, DM_GPR_CTRL, 1); dm_write_reg(dev, DM_GPR_DATA, 0); |