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| author |   Johannes Berg <johannes.berg@intel.com> | 2016-03-16 14:29:08 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2016-04-05 10:48:44 +0200 |
| commit | 98bd147d7903580ca5d5dfa0bc39c2d16714d84e (patch) | |
| tree | 665ab939fa6de287c4a70ca1e087d8a920f734b7 /net/wireless | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| download | linux-dev-98bd147d7903580ca5d5dfa0bc39c2d16714d84e.tar.xz linux-dev-98bd147d7903580ca5d5dfa0bc39c2d16714d84e.zip | |
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 <ben@decadent.org.uk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/wext-core.c | 5 |
1 files changed, 4 insertions, 1 deletions
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); |