commit a29ec08a1b649436248c140a3bc389bc11434c94
author Denis Kirjanov <kirjanov@gmail.com> Tue Dec 08 20:36:00 2009 -0800
committer David S. Miller <davem@davemloft.net> Tue Dec 08 20:36:00 2009 -0800
tree 1c40d2acfc389648330ade1cc66b7abd7e6c4e80
parent 64f16603eae17e869d5fc8a60ae987394190e639

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>

drivers/net/mv643xx_eth.c

diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 796a493..1405a17 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -1827,6 +1827,9 @@
 {
 	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);