1554 int xfrm_state_walk(struct net *net, struct xfrm_state_walk *walk,  in xfrm_state_walk()  argument
1562 	if (walk->seq != 0 && list_empty(&walk->all))  in xfrm_state_walk()
1566 	if (list_empty(&walk->all))  in xfrm_state_walk()
1569 		x = list_entry(&walk->all, struct xfrm_state_walk, all);  in xfrm_state_walk()
1574 		if (!xfrm_id_proto_match(state->id.proto, walk->proto))  in xfrm_state_walk()
1576 		err = func(state, walk->seq, data);  in xfrm_state_walk()
1578 			list_move_tail(&walk->all, &x->all);  in xfrm_state_walk()
1581 		walk->seq++;  in xfrm_state_walk()
1583 	if (walk->seq == 0) {  in xfrm_state_walk()
1587 	list_del_init(&walk->all);  in xfrm_state_walk()
1594 void xfrm_state_walk_init(struct xfrm_state_walk *walk, u8 proto)  in xfrm_state_walk_init()  argument
1596 	INIT_LIST_HEAD(&walk->all);  in xfrm_state_walk_init()
1597 	walk->proto = proto;  in xfrm_state_walk_init()
1598 	walk->state = XFRM_STATE_DEAD;  in xfrm_state_walk_init()
1599 	walk->seq = 0;  in xfrm_state_walk_init()
1603 void xfrm_state_walk_done(struct xfrm_state_walk *walk)  in xfrm_state_walk_done()  argument
1605 	if (list_empty(&walk->all))  in xfrm_state_walk_done()
1609 	list_del(&walk->all);  in xfrm_state_walk_done()