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>

diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 796a493..1405a17 100644 (file)
--- 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);