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Commit a3f5ee71 authored by Li RongQing's avatar Li RongQing Committed by David S. Miller
Browse files

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: default avatarLi RongQing <roy.qing.li@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 545a112b

net/bridge/br_fdb.c

+4 −6
Original line number Diff line number Diff line
@@ -93,7 +93,7 @@ static void fdb_rcu_free(struct rcu_head *head) 
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 @@ static void fdb_add_hw(struct net_bridge *br, const unsigned char *addr) 


	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);

	}

}