bridge: use list_for_each_entry_continue_reverse
use list_for_each_entry_continue_reverse to rollback in fdb_add_hw
when add address failed
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index b524c36..7be3366 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -93,7 +93,7 @@
static void fdb_add_hw(struct net_bridge *br, const unsigned char *addr)
{
int err;
- struct net_bridge_port *p, *tmp;
+ struct net_bridge_port *p;
ASSERT_RTNL();
@@ -107,11 +107,9 @@
return;
undo:
- list_for_each_entry(tmp, &br->port_list, list) {
- if (tmp == p)
- break;
- if (!br_promisc_port(tmp))
- dev_uc_del(tmp->dev, addr);
+ list_for_each_entry_continue_reverse(p, &br->port_list, list) {
+ if (!br_promisc_port(p))
+ dev_uc_del(p->dev, addr);
}
}