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Commit 1caf40de authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

net: bonding: Issue NETDEV_PRE_CHANGEADDR 



Give interested parties an opportunity to veto an impending HW address
change.

Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Acked-by: default avatarJiri Pirko <jiri@mellanox.com>
Reviewed-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b9245914

drivers/net/bonding/bond_main.c

+6 −0
Original line number Diff line number Diff line
@@ -612,8 +612,14 @@ static void bond_hw_addr_swap(struct bonding *bond, struct slave *new_active, 
static int bond_set_dev_addr(struct net_device *bond_dev,

			     struct net_device *slave_dev)

{

	int err;



	netdev_dbg(bond_dev, "bond_dev=%p slave_dev=%p slave_dev->name=%s slave_dev->addr_len=%d\n",

		   bond_dev, slave_dev, slave_dev->name, slave_dev->addr_len);

	err = dev_pre_changeaddr_notify(bond_dev, slave_dev->dev_addr, NULL);

	if (err)

		return err;



	memcpy(bond_dev->dev_addr, slave_dev->dev_addr, slave_dev->addr_len);

	bond_dev->addr_assign_type = NET_ADDR_STOLEN;

	call_netdevice_notifiers(NETDEV_CHANGEADDR, bond_dev);