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authorAlexander Aring <alex.aring@gmail.com>2014-11-12 03:36:50 +0100
committerMarcel Holtmann <marcel@holtmann.org>2014-11-12 05:10:36 +0100
commit2789e6297f8fd4943b8d63599a75c3e1cf4f8517 (patch)
tree1b94b8ee15fbda78a165dd30286ff67b69bd42cf /net/mac802154
parentd14e1c71cfa870a2ed9f058a79b1c71decdaa9ba (diff)
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>
Diffstat (limited to 'net/mac802154')
-rw-r--r--net/mac802154/iface.c4
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);
}