From: Ajit Khaparde <ajitk@serverengines.com>
Date: Sun, 29 Nov 2009 17:56:26 +0000 (+0000)
Subject: be2net: check for valid ether address
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ca9e4988ccbde3b11116679f1b023eb75df8017e;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

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>
---

diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index e24f498f37c..10262fab686 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);