From 9c537ca1554e5d7db69a3b606801a2101e02edda Mon Sep 17 00:00:00 2001 From: Kirill Tkhai Date: Mon, 19 Feb 2018 11:48:14 +0300 Subject: [PATCH] net: Convert cfg80211_pernet_ops This patch finishes converting pernet_operations registered in net/wireless directory. These pernet_operations have only exit method, which moves devices to init_net. This action is not pernet_operations-specific, and function cfg80211_switch_netns() may be called all time during the system life. All necessary protection against concurrent cfg80211_pernet_exit() is made by rtnl_lock(). So, cfg80211_pernet_ops is able to be marked as async. Signed-off-by: Kirill Tkhai Signed-off-by: David S. Miller --- net/wireless/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/wireless/core.c b/net/wireless/core.c index a6f3cac8c640..670aa229168a 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -1340,6 +1340,7 @@ static void __net_exit cfg80211_pernet_exit(struct net *net) static struct pernet_operations cfg80211_pernet_ops = { .exit = cfg80211_pernet_exit, + .async = true, }; static int __init cfg80211_init(void)