ipvlan: call netdevice notifier when master mac address changed

When master device's mac has been changed, the commit
79651059a2d5 ("ipvlan: always use the current L2 addr of the
master") makes the IPVlan devices's mac changed also, but it
doesn't do related works such as flush the IPVlan devices's
arp table.

Signed-off-by: Keefe Liu <liuqifa@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index 450eec264a5ea53fe0e592e467de3626321a9f6d..4377c26f714d0522ebf5d1de6ac774b6e42024ea 100644 (file)
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -792,8 +792,10 @@ static int ipvlan_device_event(struct notifier_block *unused,
                break;
 
        case NETDEV_CHANGEADDR:
-               list_for_each_entry(ipvlan, &port->ipvlans, pnode)
+               list_for_each_entry(ipvlan, &port->ipvlans, pnode) {
                        ether_addr_copy(ipvlan->dev->dev_addr, dev->dev_addr);
+                       call_netdevice_notifiers(NETDEV_CHANGEADDR, ipvlan->dev);
+               }
                break;
 
        case NETDEV_PRE_TYPE_CHANGE: