diff options
| author |   Joe Perches <joe@perches.com> | 2011-04-16 14:15:26 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2011-04-17 17:56:37 -0700 |
| commit | 482e3febc2e7df78411005dcdd7621c16b98b088 (patch) | |
| tree | 93ba6fae8768ddfb20a05f17414f609a6c4dcc29 /drivers/net/via-rhine.c | |
| parent | via_rhine: Use netdev_<level> and pr_<level> (diff) | |
| download | linux-dev-482e3febc2e7df78411005dcdd7621c16b98b088.tar.xz linux-dev-482e3febc2e7df78411005dcdd7621c16b98b088.zip | |
via-rhine: Assign random MAC address if necessary
Roger Luethi has had several reports of Rhine NICs providing
an invalid MAC address. If so, assign a random MAC address so
the hardware can still be used.
Tested as a standalone interface, as carrier for ppp, and as a
bonding slave.
Original-patch-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/via-rhine.c')
| -rw-r--r-- | drivers/net/via-rhine.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c index 40f394ce113b..7f23ab913fd9 100644 --- a/drivers/net/via-rhine.c +++ b/drivers/net/via-rhine.c @@ -838,13 +838,15 @@ static int __devinit rhine_init_one(struct pci_dev *pdev, for (i = 0; i < 6; i++) dev->dev_addr[i] = ioread8(ioaddr + StationAddr + i); - memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); - if (!is_valid_ether_addr(dev->perm_addr)) { - rc = -EIO; - dev_err(&pdev->dev, "Invalid MAC address\n"); - goto err_out_unmap; + if (!is_valid_ether_addr(dev->dev_addr)) { + /* Report it and use a random ethernet address instead */ + netdev_err(dev, "Invalid MAC address: %pM\n", dev->dev_addr); + random_ether_addr(dev->dev_addr); + netdev_info(dev, "Using random MAC address: %pM\n", + dev->dev_addr); } + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); /* For Rhine-I/II, phy_id is loaded from EEPROM */ if (!phy_id) |