From 1caf40dec1e2098d5f0bef3a627f0b08b2f65f9c Mon Sep 17 00:00:00 2001 From: Petr Machata Date: Thu, 13 Dec 2018 11:54:46 +0000 Subject: net: bonding: Issue NETDEV_PRE_CHANGEADDR Give interested parties an opportunity to veto an impending HW address change. Signed-off-by: Petr Machata Acked-by: Jiri Pirko Reviewed-by: Ido Schimmel Signed-off-by: David S. Miller --- drivers/net/bonding/bond_main.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/net/bonding') diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 66d9a6c7b9c5..a9d597f28023 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -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); -- cgit v1.2.3