From b0ab2fabb5b91da99c189db02e91ae10bc8355c5 Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Thu, 26 Jun 2014 09:58:25 +0200 Subject: rtnetlink: allow to register ops without ops->setup set So far, it is assumed that ops->setup is filled up. But there might be case that ops might make sense even without ->setup. In that case, forbid to newlink and dellink. This allows to register simple rtnl link ops containing only ->kind. That allows consistent way of passing device kind (either device-kind or slave-kind) to userspace. Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- net/core/dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/core/dev.c') diff --git a/net/core/dev.c b/net/core/dev.c index de9774119541..6e2a2cd82321 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -7091,7 +7091,7 @@ static void __net_exit default_device_exit_batch(struct list_head *net_list) rtnl_lock_unregistering(net_list); list_for_each_entry(net, net_list, exit_list) { for_each_netdev_reverse(net, dev) { - if (dev->rtnl_link_ops) + if (dev->rtnl_link_ops && dev->rtnl_link_ops->dellink) dev->rtnl_link_ops->dellink(dev, &dev_kill_list); else unregister_netdevice_queue(dev, &dev_kill_list); -- cgit v1.2.3