net: Convert sit_net_ops

These pernet_operations are similar to ip6_tnl_net_ops. Exit method
unregisters all net sit devices, and it looks like another
pernet_operations are not interested in foreign net sit list.
Init method registers netdevice. So, it's possible to mark them async.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 3a1775a62973b7e0b1eeb70ba364eb1b068fdde5..182db078f01ea8faf5944c3566adebb958ff4853 100644 (file)
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1878,6 +1878,7 @@ static struct pernet_operations sit_net_ops = {
        .exit_batch = sit_exit_batch_net,
        .id   = &sit_net_id,
        .size = sizeof(struct sit_net),
+       .async = true,
 };
 
 static void __exit sit_cleanup(void)