diff options
| author | Wu Fengguang <fengguang.wu@intel.com> | 2009-01-08 10:47:01 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-01-08 10:47:01 -0800 |
| commit | f52deb0e8408515ecf58c330c93fa99b8cb53cb4 (patch) | |
| tree | 5bd7452b0d925f348f52d0ed13970d782b7fdcfc | |
| parent | 4b9f8ec6e5e98779e8b3806a5f58267378ef57eb (diff) | |
| download | lwn-f52deb0e8408515ecf58c330c93fa99b8cb53cb4.tar.gz lwn-f52deb0e8408515ecf58c330c93fa99b8cb53cb4.zip | |
dm9601: warn on invalid mac address
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>
| -rw-r--r-- | drivers/net/usb/dm9601.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index 63e97a387085..5b67bbf1987e 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -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); |