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: Andrew Lunn andrew@lunn.ch --- net/batman-adv/hard-interface.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index f11345e163d7..c7f00eeb735b 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -708,7 +708,8 @@ 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) @@ -723,6 +724,7 @@ 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);