2280 int xfrm_state_walk(struct net *net, struct xfrm_state_walk *walk,  in xfrm_state_walk()  argument
2288 	if (walk->seq != 0 && list_empty(&walk->all))  in xfrm_state_walk()
2292 	if (list_empty(&walk->all))  in xfrm_state_walk()
2295 		x = list_first_entry(&walk->all, struct xfrm_state_walk, all);  in xfrm_state_walk()
2300 		if (!xfrm_id_proto_match(state->id.proto, walk->proto))  in xfrm_state_walk()
2302 		if (!__xfrm_state_filter_match(state, walk->filter))  in xfrm_state_walk()
2304 		err = func(state, walk->seq, data);  in xfrm_state_walk()
2306 			list_move_tail(&walk->all, &x->all);  in xfrm_state_walk()
2309 		walk->seq++;  in xfrm_state_walk()
2311 	if (walk->seq == 0) {  in xfrm_state_walk()
2315 	list_del_init(&walk->all);  in xfrm_state_walk()
2322 void xfrm_state_walk_init(struct xfrm_state_walk *walk, u8 proto,  in xfrm_state_walk_init()  argument
2325 	INIT_LIST_HEAD(&walk->all);  in xfrm_state_walk_init()
2326 	walk->proto = proto;  in xfrm_state_walk_init()
2327 	walk->state = XFRM_STATE_DEAD;  in xfrm_state_walk_init()
2328 	walk->seq = 0;  in xfrm_state_walk_init()
2329 	walk->filter = filter;  in xfrm_state_walk_init()
2333 void xfrm_state_walk_done(struct xfrm_state_walk *walk, struct net *net)  in xfrm_state_walk_done()  argument
2335 	kfree(walk->filter);  in xfrm_state_walk_done()
2337 	if (list_empty(&walk->all))  in xfrm_state_walk_done()
2341 	list_del(&walk->all);  in xfrm_state_walk_done()