From ffdf72bc1eed9a56aa266bde2d425f85b4d4ca18 Mon Sep 17 00:00:00 2001
From: Kirill Tkhai <ktkhai@virtuozzo.com>
Date: Wed, 7 Mar 2018 12:39:51 +0300
Subject: [PATCH] net: Convert cttimeout_ops

These pernet_operations also look closed in themself.
Exit method touch only per-net structures, so it's
safe to execute them for several net namespaces in parallel.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netfilter/nfnetlink_cttimeout.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c
index 95b04702a655..6819300f7fb7 100644
--- a/net/netfilter/nfnetlink_cttimeout.c
+++ b/net/netfilter/nfnetlink_cttimeout.c
@@ -586,6 +586,7 @@ static void __net_exit cttimeout_net_exit(struct net *net)
 static struct pernet_operations cttimeout_ops = {
 	.init	= cttimeout_net_init,
 	.exit	= cttimeout_net_exit,
+	.async	= true,
 };
 
 static int __init cttimeout_init(void)