From: Denis Kirjanov <kirjanov@gmail.com>
Date: Wed, 9 Dec 2009 04:36:00 +0000 (-0800)
Subject: mv643xx_eth: check for valid hw address (resubmit)
X-Git-Tag: v2.6.33-rc1~299^2~27
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=a29ec08a1b649436248c140a3bc389bc11434c94;p=~shefty%2Frdma-dev.git

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 796a493f95a..1405a170bb4 100644
--- 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);