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batman-adv: Fix change mac address of soft iface.

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Into function interface_set_mac_addr, the function tt_local_add was
invoked before updating dev->dev_addr. The new MAC address was not
tagged as NoPurge.

Signed-off-by: Def <def@laposte.net>
This commit is contained in:
Def 2012-09-20 14:56:13 +02:00 committed by Antonio Quartulli
parent 2b018d57ff
commit 40a3eb33e3
1 changed files with 5 additions and 2 deletions
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7
net/batman-adv/soft-interface.c
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@ -100,18 +100,21 @@ static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
{
struct batadv_priv *bat_priv = netdev_priv(dev);
struct sockaddr *addr = p;
uint8_t old_addr[ETH_ALEN];
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
memcpy(old_addr, dev->dev_addr, ETH_ALEN);
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
/* only modify transtable if it has been initialized before */
if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE) {
batadv_tt_local_remove(bat_priv, dev->dev_addr,
batadv_tt_local_remove(bat_priv, old_addr,
"mac address changed", false);
batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX);
}
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
dev->addr_assign_type &= ~NET_ADDR_RANDOM;
return 0;
}