1614 int xfrm_state_walk(struct net *net, struct xfrm_state_walk *walk,  in xfrm_state_walk()  argument
1622 	if (walk->seq != 0 && list_empty(&walk->all))  in xfrm_state_walk()
1626 	if (list_empty(&walk->all))  in xfrm_state_walk()
1629 		x = list_first_entry(&walk->all, struct xfrm_state_walk, all);  in xfrm_state_walk()
1634 		if (!xfrm_id_proto_match(state->id.proto, walk->proto))  in xfrm_state_walk()
1636 		if (!__xfrm_state_filter_match(state, walk->filter))  in xfrm_state_walk()
1638 		err = func(state, walk->seq, data);  in xfrm_state_walk()
1640 			list_move_tail(&walk->all, &x->all);  in xfrm_state_walk()
1643 		walk->seq++;  in xfrm_state_walk()
1645 	if (walk->seq == 0) {  in xfrm_state_walk()
1649 	list_del_init(&walk->all);  in xfrm_state_walk()
1656 void xfrm_state_walk_init(struct xfrm_state_walk *walk, u8 proto,  in xfrm_state_walk_init()  argument
1659 	INIT_LIST_HEAD(&walk->all);  in xfrm_state_walk_init()
1660 	walk->proto = proto;  in xfrm_state_walk_init()
1661 	walk->state = XFRM_STATE_DEAD;  in xfrm_state_walk_init()
1662 	walk->seq = 0;  in xfrm_state_walk_init()
1663 	walk->filter = filter;  in xfrm_state_walk_init()
1667 void xfrm_state_walk_done(struct xfrm_state_walk *walk, struct net *net)  in xfrm_state_walk_done()  argument
1669 	kfree(walk->filter);  in xfrm_state_walk_done()
1671 	if (list_empty(&walk->all))  in xfrm_state_walk_done()
1675 	list_del(&walk->all);  in xfrm_state_walk_done()