be2net: check for valid ether address

Allow only valid ether addresses to be assigned and used for the interface.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index e24f498f37cd..10262fab686b 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -125,6 +125,9 @@ static int be_mac_addr_set(struct net_device *netdev, void *p)
         struct sockaddr *addr = p;
         int status = 0;
 
+        if (!is_valid_ether_addr(addr->sa_data))
+                return -EADDRNOTAVAIL;
+
         status = be_cmd_pmac_del(adapter, adapter->if_handle, adapter->pmac_id);
         if (status)
                 return status;
@@ -2146,6 +2149,10 @@ static int be_get_config(struct be_adapter *adapter)
                         MAC_ADDRESS_TYPE_NETWORK, true /*permanent */, 0);
         if (status)
                 return status;
+
+        if (!is_valid_ether_addr(mac))
+                return -EADDRNOTAVAIL;
+
         memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN);
         memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN);