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path: root/drivers/net/b44.c
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Diffstat (limited to 'drivers/net/b44.c')
-rw-r--r--drivers/net/b44.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index 2eab2a88c7b..15032f2c781 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -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;