Commit fef65a2c authored Feb 19, 2018 by Kirill Tkhai Committed by David S. Miller Feb 19, 2018

net: Convert tcpv6_net_ops



These pernet_operations create and destroy net::ipv6.tcp_sk
socket, which is used in tcp_v6_send_response() only. It looks
like foreign pernet_operations don't want to set ipv6 connection
inside destroyed net, so this socket may be created in destroyed
in parallel with anything else. inet_twsk_purge() is also safe
for that, as described in patch for tcp_sk_ops. So, it's possible
to mark them as async.

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

parent 7b7dd180

net/ipv6/tcp_ipv6.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -2007,6 +2007,7 @@ static struct pernet_operations tcpv6_net_ops = {
		.init = tcpv6_net_init,
		.exit = tcpv6_net_exit,
		.exit_batch = tcpv6_net_exit_batch,
		.async = true,
		};

		int __init tcpv6_init(void)