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[NET]: Validate device addr prior to interface-up

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Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jeff Garzik
2007-10-23 20:19:37 -07:00
committed by David S. Miller
parent c9927c2bf4
commit bada339ba2
3 changed files with 20 additions and 5 deletions
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9
net/ethernet/eth.c
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@ -298,6 +298,14 @@ static int eth_change_mtu(struct net_device *dev, int new_mtu)
return 0;
}
static int eth_validate_addr(struct net_device *dev)
{
if (!is_valid_ether_addr(dev->dev_addr))
return -EINVAL;
return 0;
}
const struct header_ops eth_header_ops ____cacheline_aligned = {
.create = eth_header,
.parse = eth_header_parse,
@ -317,6 +325,7 @@ void ether_setup(struct net_device *dev)
dev->change_mtu = eth_change_mtu;
dev->set_mac_address = eth_mac_addr;
dev->validate_addr = eth_validate_addr;
dev->type = ARPHRD_ETHER;
dev->hard_header_len = ETH_HLEN;