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authorJeff Garzik <jgarzik@redhat.com>2007-10-23 23:19:37 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-24 00:27:50 -0400
commitbada339ba24dee9e143bfb42e1dc61f146619846 (patch)
tree69e14af15764a1b38d61cd1f0b55560e45779f23 /net/ethernet/eth.c
parentc9927c2bf4f45bb85e8b502ab3fb79ad6483c244 (diff)
[NET]: Validate device addr prior to interface-up
Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ethernet/eth.c')
-rw-r--r--net/ethernet/eth.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index ed8a3d49487d..6b2e454ae313 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -298,6 +298,14 @@ static int eth_change_mtu(struct net_device *dev, int new_mtu)
298 return 0; 298 return 0;
299} 299}
300 300
301static int eth_validate_addr(struct net_device *dev)
302{
303 if (!is_valid_ether_addr(dev->dev_addr))
304 return -EINVAL;
305
306 return 0;
307}
308
301const struct header_ops eth_header_ops ____cacheline_aligned = { 309const struct header_ops eth_header_ops ____cacheline_aligned = {
302 .create = eth_header, 310 .create = eth_header,
303 .parse = eth_header_parse, 311 .parse = eth_header_parse,
@@ -317,6 +325,7 @@ void ether_setup(struct net_device *dev)
317 325
318 dev->change_mtu = eth_change_mtu; 326 dev->change_mtu = eth_change_mtu;
319 dev->set_mac_address = eth_mac_addr; 327 dev->set_mac_address = eth_mac_addr;
328 dev->validate_addr = eth_validate_addr;
320 329
321 dev->type = ARPHRD_ETHER; 330 dev->type = ARPHRD_ETHER;
322 dev->hard_header_len = ETH_HLEN; 331 dev->hard_header_len = ETH_HLEN;