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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>
This commit is contained in:
Alexander Aring 2014-11-12 03:36:50 +01:00 committed by Marcel Holtmann
parent d14e1c71cf
commit 2789e6297f
1 changed files with 2 additions and 2 deletions
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4
net/mac802154/iface.c
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@ -540,11 +540,11 @@ void ieee802154_remove_interfaces(struct ieee802154_local *local)
{ {
struct ieee802154_sub_if_data *sdata, *tmp; struct ieee802154_sub_if_data *sdata, *tmp;
mutex_lock(&local->iflist_mtx);
list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) { list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
mutex_lock(&sdata->local->iflist_mtx);
list_del(&sdata->list); list_del(&sdata->list);
mutex_unlock(&sdata->local->iflist_mtx);
unregister_netdevice(sdata->dev); unregister_netdevice(sdata->dev);
} }
mutex_unlock(&local->iflist_mtx);
} }