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Commit a1a66b11 authored by Andrew Lunn's avatar Andrew Lunn Committed by David S. Miller
Browse files

batman-adv: Act on NETDEV_*_TYPE_CHANGE events 



A network interface can change type. It may change from a type which
batman does not support, e.g. hdlc, to one it does, e.g. hdlc-eth.
When an interface changes type, it sends two notifications. Handle
these notifications.

Signed-off-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3ef0952c

net/batman-adv/hard-interface.c

+3 −1
Original line number Diff line number Diff line
@@ -709,7 +709,8 @@ static int batadv_hard_if_event(struct notifier_block *this, 
	}



	hard_iface = batadv_hardif_get_by_netdev(net_dev);

	if (!hard_iface && event == NETDEV_REGISTER)

	if (!hard_iface && (event == NETDEV_REGISTER ||

			    event == NETDEV_POST_TYPE_CHANGE))

		hard_iface = batadv_hardif_add_interface(net_dev);



	if (!hard_iface)
@@ -724,6 +725,7 @@ static int batadv_hard_if_event(struct notifier_block *this, 
		batadv_hardif_deactivate_interface(hard_iface);

		break;

	case NETDEV_UNREGISTER:

	case NETDEV_PRE_TYPE_CHANGE:

		list_del_rcu(&hard_iface->list);



		batadv_hardif_remove_interface(hard_iface);