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wext: unregister_pernet_subsys() on notifier registration failure

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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 <ben@decadent.org.uk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2016-03-16 14:29:08 +01:00
parent 05cf8077e5
commit 98bd147d79
1 changed files with 4 additions and 1 deletions
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5
net/wireless/wext-core.c
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@ -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);