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[PATCH] b44: ensure valid mac addr

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Added code to check for invalid MAC address from eeprom or user input.

Signed-off-by: Gary Zambrano <zambrano@broadcom.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Gary Zambrano 2006-03-28 14:57:38 -08:00 committed by Jeff Garzik
parent bc0e1fc970
commit 391fc09a14
1 changed files with 9 additions and 0 deletions
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9
drivers/net/b44.c
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@ -1339,6 +1339,9 @@ static int b44_set_mac_addr(struct net_device *dev, void *p)
if (netif_running(dev))
return -EBUSY;
if (!is_valid_ether_addr(addr->sa_data))
return -EINVAL;
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
spin_lock_irq(&bp->lock);
@ -1876,6 +1879,12 @@ static int __devinit b44_get_invariants(struct b44 *bp)
bp->dev->dev_addr[3] = eeprom[80];
bp->dev->dev_addr[4] = eeprom[83];
bp->dev->dev_addr[5] = eeprom[82];
if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){
printk(KERN_ERR PFX "Invalid MAC address found in EEPROM\n");
return -EINVAL;
}
memcpy(bp->dev->perm_addr, bp->dev->dev_addr, bp->dev->addr_len);
bp->phy_addr = eeprom[90] & 0x1f;