net: Convert fib_* pernet_operations, registered via subsys_initcall

Both of them create and initialize lists, which are not touched
by another foreing pernet_operations.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Acked-by: Andrei Vagin <avagin@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/fib_notifier.c

@@ -171,6 +171,7 @@ static void __net_exit fib_notifier_net_exit(struct net *net)
 static struct pernet_operations fib_notifier_net_ops = {
 	.init = fib_notifier_net_init,
 	.exit = fib_notifier_net_exit,
+	.async = true,
 };
 
 static int __init fib_notifier_init(void)

net/core/fib_rules.c

@@ -1030,6 +1030,7 @@ static void __net_exit fib_rules_net_exit(struct net *net)
 static struct pernet_operations fib_rules_net_ops = {
 	.init = fib_rules_net_init,
 	.exit = fib_rules_net_exit,
+	.async = true,
 };
 
 static int __init fib_rules_init(void)