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dm9601: warn on invalid mac address

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Add warnings on invalid mac address to help disclose/debug problems.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wu Fengguang 2009-01-08 10:47:01 -08:00 committed by David S. Miller
parent 4b9f8ec6e5
commit f52deb0e84
1 changed files with 9 additions and 2 deletions
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11
drivers/net/usb/dm9601.c
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@ -407,8 +407,11 @@ static int dm9601_set_mac_address(struct net_device *net, void *p)
struct sockaddr *addr = p;
struct usbnet *dev = netdev_priv(net);
if (!is_valid_ether_addr(addr->sa_data))
if (!is_valid_ether_addr(addr->sa_data)) {
dev_err(&net->dev, "not setting invalid mac address %pM\n",
addr->sa_data);
return -EINVAL;
}
memcpy(net->dev_addr, addr->sa_data, net->addr_len);
__dm9601_set_mac_address(dev);
@ -455,8 +458,12 @@ static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf)
*/
if (is_valid_ether_addr(mac))
memcpy(dev->net->dev_addr, mac, ETH_ALEN);
else
else {
printk(KERN_WARNING
"dm9601: No valid MAC address in EEPROM, using %pM\n",
dev->net->dev_addr);
__dm9601_set_mac_address(dev);
}
/* power up phy */
dm_write_reg(dev, DM_GPR_CTRL, 1);