diff options
| author | Alexander Aring <alex.aring@gmail.com> | 2014-11-12 05:36:50 +0300 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-11-12 07:10:36 +0300 |
| commit | 2789e6297f8fd4943b8d63599a75c3e1cf4f8517 (patch) | |
| tree | 1b94b8ee15fbda78a165dd30286ff67b69bd42cf | |
| parent | d14e1c71cfa870a2ed9f058a79b1c71decdaa9ba (diff) | |
| download | linux-2789e6297f8fd4943b8d63599a75c3e1cf4f8517.tar.xz | |
mac820154: move mutex locks out of loop
Instead of always re-lock the iflist_mtx at multiple interfaces we lock
the complete for each loop at start and at the end.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| -rw-r--r-- | net/mac802154/iface.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac802154/iface.c b/net/mac802154/iface.c index 8b21d201fc97..85d215562b4a 100644 --- a/net/mac802154/iface.c +++ b/net/mac802154/iface.c @@ -540,11 +540,11 @@ void ieee802154_remove_interfaces(struct ieee802154_local *local) { struct ieee802154_sub_if_data *sdata, *tmp; + mutex_lock(&local->iflist_mtx); list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) { - mutex_lock(&sdata->local->iflist_mtx); list_del(&sdata->list); - mutex_unlock(&sdata->local->iflist_mtx); unregister_netdevice(sdata->dev); } + mutex_unlock(&local->iflist_mtx); } |