From 98bd147d7903580ca5d5dfa0bc39c2d16714d84e Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 16 Mar 2016 14:29:08 +0100 Subject: [PATCH] wext: unregister_pernet_subsys() on notifier registration failure If register_netdevice_notifier() fails (which in practice it can't right now), we should call unregister_pernet_subsys(). Do that. Reported-by: Ben Hutchings Signed-off-by: Johannes Berg --- net/wireless/wext-core.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c index b50ee5d622e1..6250b1cfcde5 100644 --- a/net/wireless/wext-core.c +++ b/net/wireless/wext-core.c @@ -399,7 +399,10 @@ static int __init wireless_nlevent_init(void) if (err) return err; - return register_netdevice_notifier(&wext_netdev_notifier); + err = register_netdevice_notifier(&wext_netdev_notifier); + if (err) + unregister_pernet_subsys(&wext_pernet_ops); + return err; } subsys_initcall(wireless_nlevent_init); -- 2.20.1