mv643xx_eth: check for valid hw address (resubmit)

Check for valid hw address. Signed-off-by: Denis Kirjanov <kirjanov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Dec 9, 2009 · a29ec08 · a29ec08
1 parent 64f1660
commit a29ec08
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
@@ -1827,6 +1827,9 @@ static int mv643xx_eth_set_mac_address(struct net_device *dev, void *addr)
 {
 	struct sockaddr *sa = addr;
 
+	if (!is_valid_ether_addr(sa->sa_data))
+		return -EINVAL;
+
 	memcpy(dev->dev_addr, sa->sa_data, ETH_ALEN);
 
 	netif_addr_lock_bh(dev);