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| author | Patrick McHardy <kaber@trash.net> | 2007-07-11 19:42:31 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-07-11 19:45:36 -0700 |
| commit | 0e06877c6fdbc67b1132be895f995acd1ff30135 (patch) | |
| tree | ddaba8cddc8a95d23ee18f812c6aba67dd9b1c6f /net/8021q/vlan.c | |
| parent | 2d85cba2b272a5201a60966a65a4f8c0bcc0bb71 (diff) | |
| download | linux-0e06877c6fdbc67b1132be895f995acd1ff30135.tar.gz | |
[RTNETLINK]: rtnl_link: allow specifying initial device address
Drivers need to validate the initial addresses in their netlink attribute validation function or manually reject them if they can't support this. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q/vlan.c')
| -rw-r--r-- | net/8021q/vlan.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 34c1d0b241ca..abb9900edb3f 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -324,8 +324,10 @@ static int vlan_dev_init(struct net_device *dev) (1<<__LINK_STATE_DORMANT))) | (1<<__LINK_STATE_PRESENT); - memcpy(dev->broadcast, real_dev->broadcast, real_dev->addr_len); - memcpy(dev->dev_addr, real_dev->dev_addr, real_dev->addr_len); + if (is_zero_ether_addr(dev->dev_addr)) + memcpy(dev->dev_addr, real_dev->dev_addr, dev->addr_len); + if (is_zero_ether_addr(dev->broadcast)) + memcpy(dev->broadcast, real_dev->broadcast, dev->addr_len); if (real_dev->features & NETIF_F_HW_VLAN_TX) { dev->hard_header = real_dev->hard_header; @@ -373,6 +375,8 @@ void vlan_setup(struct net_device *new_dev) new_dev->set_multicast_list = vlan_dev_set_multicast_list; new_dev->destructor = free_netdev; new_dev->do_ioctl = vlan_dev_ioctl; + + memset(new_dev->broadcast, 0, sizeof(ETH_ALEN)); } static void vlan_transfer_operstate(const struct net_device *dev, struct net_device *vlandev) |