414 	const struct rtable *rt = container_of(dst, struct rtable, dst);  in ipv4_neigh_lookup()  local
420 	if (likely(rt->rt_gw_family == AF_INET)) {  in ipv4_neigh_lookup()
421 		n = ip_neigh_gw4(dev, rt->rt_gw4);  in ipv4_neigh_lookup()
422 	} else if (rt->rt_gw_family == AF_INET6) {  in ipv4_neigh_lookup()
423 		n = ip_neigh_gw6(dev, &rt->rt_gw6);  in ipv4_neigh_lookup()
441 	const struct rtable *rt = container_of(dst, struct rtable, dst);  in ipv4_confirm_neigh()  local
445 	if (rt->rt_gw_family == AF_INET) {  in ipv4_confirm_neigh()
446 		pkey = (const __be32 *)&rt->rt_gw4;  in ipv4_confirm_neigh()
447 	} else if (rt->rt_gw_family == AF_INET6) {  in ipv4_confirm_neigh()
448 		return __ipv6_confirm_neigh_stub(dev, &rt->rt_gw6);  in ipv4_confirm_neigh()
450 		 (rt->rt_flags &  in ipv4_confirm_neigh()
574 	struct rtable *rt;  in fnhe_flush_routes()  local
576 	rt = rcu_dereference(fnhe->fnhe_rth_input);  in fnhe_flush_routes()
577 	if (rt) {  in fnhe_flush_routes()
579 		dst_dev_put(&rt->dst);  in fnhe_flush_routes()
580 		dst_release(&rt->dst);  in fnhe_flush_routes()
582 	rt = rcu_dereference(fnhe->fnhe_rth_output);  in fnhe_flush_routes()
583 	if (rt) {  in fnhe_flush_routes()
585 		dst_dev_put(&rt->dst);  in fnhe_flush_routes()
586 		dst_release(&rt->dst);  in fnhe_flush_routes()
621 static void fill_route_from_fnhe(struct rtable *rt, struct fib_nh_exception *fnhe)  in fill_route_from_fnhe()  argument
623 	rt->rt_pmtu = fnhe->fnhe_pmtu;  in fill_route_from_fnhe()
624 	rt->rt_mtu_locked = fnhe->fnhe_mtu_locked;  in fill_route_from_fnhe()
625 	rt->dst.expires = fnhe->fnhe_expires;  in fill_route_from_fnhe()
628 		rt->rt_flags |= RTCF_REDIRECTED;  in fill_route_from_fnhe()
629 		rt->rt_uses_gateway = 1;  in fill_route_from_fnhe()
630 		rt->rt_gw_family = AF_INET;  in fill_route_from_fnhe()
631 		rt->rt_gw4 = fnhe->fnhe_gw;  in fill_route_from_fnhe()
641 	struct rtable *rt;  in update_or_create_fnhe()  local
680 		rt = rcu_dereference(fnhe->fnhe_rth_input);  in update_or_create_fnhe()
681 		if (rt)  in update_or_create_fnhe()
682 			fill_route_from_fnhe(rt, fnhe);  in update_or_create_fnhe()
683 		rt = rcu_dereference(fnhe->fnhe_rth_output);  in update_or_create_fnhe()
684 		if (rt)  in update_or_create_fnhe()
685 			fill_route_from_fnhe(rt, fnhe);  in update_or_create_fnhe()
715 		rt = rcu_dereference(nhc->nhc_rth_input);  in update_or_create_fnhe()
716 		if (rt)  in update_or_create_fnhe()
717 			rt->dst.obsolete = DST_OBSOLETE_KILL;  in update_or_create_fnhe()
723 			rt = rcu_dereference(*prt);  in update_or_create_fnhe()
724 			if (rt)  in update_or_create_fnhe()
725 				rt->dst.obsolete = DST_OBSOLETE_KILL;  in update_or_create_fnhe()
735 static void __ip_do_redirect(struct rtable *rt, struct sk_buff *skb, struct flowi4 *fl4,  in __ip_do_redirect()  argument
757 	if (rt->rt_gw_family != AF_INET || rt->rt_gw4 != old_gw)  in __ip_do_redirect()
780 	n = __ipv4_neigh_lookup(rt->dst.dev, new_gw);  in __ip_do_redirect()
782 		n = neigh_create(&arp_tbl, &new_gw, rt->dst.dev);  in __ip_do_redirect()
797 				rt->dst.obsolete = DST_OBSOLETE_KILL;  in __ip_do_redirect()
822 	struct rtable *rt;  in ip_do_redirect()  local
831 	rt = (struct rtable *) dst;  in ip_do_redirect()
834 	__ip_do_redirect(rt, skb, &fl4, true);  in ip_do_redirect()
839 	struct rtable *rt = (struct rtable *)dst;  in ipv4_negative_advice()  local
842 	if (rt) {  in ipv4_negative_advice()
844 			ip_rt_put(rt);  in ipv4_negative_advice()
846 		} else if ((rt->rt_flags & RTCF_REDIRECTED) ||  in ipv4_negative_advice()
847 			   rt->dst.expires) {  in ipv4_negative_advice()
848 			ip_rt_put(rt);  in ipv4_negative_advice()
873 	struct rtable *rt = skb_rtable(skb);  in ip_rt_send_redirect()  local
881 	in_dev = __in_dev_get_rcu(rt->dst.dev);  in ip_rt_send_redirect()
887 	vif = l3mdev_master_ifindex_rcu(rt->dst.dev);  in ip_rt_send_redirect()
890 	net = dev_net(rt->dst.dev);  in ip_rt_send_redirect()
894 			  rt_nexthop(rt, ip_hdr(skb)->daddr));  in ip_rt_send_redirect()
921 		__be32 gw = rt_nexthop(rt, ip_hdr(skb)->daddr);  in ip_rt_send_redirect()
940 	struct rtable *rt = skb_rtable(skb);  in ip_error()  local
961 	net = dev_net(rt->dst.dev);  in ip_error()
963 		switch (rt->dst.error) {  in ip_error()
975 	switch (rt->dst.error) {  in ip_error()
1014 static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)  in __ip_rt_update_pmtu()  argument
1016 	struct dst_entry *dst = &rt->dst;  in __ip_rt_update_pmtu()
1034 	if (rt->rt_pmtu == mtu && !lock &&  in __ip_rt_update_pmtu()
1054 	struct rtable *rt = (struct rtable *) dst;  in ip_rt_update_pmtu()  local
1063 	__ip_rt_update_pmtu(rt, &fl4, mtu);  in ip_rt_update_pmtu()
1071 	struct rtable *rt;  in ipv4_update_pmtu()  local
1076 	rt = __ip_route_output_key(net, &fl4);  in ipv4_update_pmtu()
1077 	if (!IS_ERR(rt)) {  in ipv4_update_pmtu()
1078 		__ip_rt_update_pmtu(rt, &fl4, mtu);  in ipv4_update_pmtu()
1079 		ip_rt_put(rt);  in ipv4_update_pmtu()
1088 	struct rtable *rt;  in __ipv4_sk_update_pmtu()  local
1095 	rt = __ip_route_output_key(sock_net(sk), &fl4);  in __ipv4_sk_update_pmtu()
1096 	if (!IS_ERR(rt)) {  in __ipv4_sk_update_pmtu()
1097 		__ip_rt_update_pmtu(rt, &fl4, mtu);  in __ipv4_sk_update_pmtu()
1098 		ip_rt_put(rt);  in __ipv4_sk_update_pmtu()
1106 	struct rtable *rt;  in ipv4_sk_update_pmtu()  local
1125 	rt = (struct rtable *)odst;  in ipv4_sk_update_pmtu()
1127 		rt = ip_route_output_flow(sock_net(sk), &fl4, sk);  in ipv4_sk_update_pmtu()
1128 		if (IS_ERR(rt))  in ipv4_sk_update_pmtu()
1134 	__ip_rt_update_pmtu((struct rtable *)xfrm_dst_path(&rt->dst), &fl4, mtu);  in ipv4_sk_update_pmtu()
1136 	if (!dst_check(&rt->dst, 0)) {  in ipv4_sk_update_pmtu()
1138 			dst_release(&rt->dst);  in ipv4_sk_update_pmtu()
1140 		rt = ip_route_output_flow(sock_net(sk), &fl4, sk);  in ipv4_sk_update_pmtu()
1141 		if (IS_ERR(rt))  in ipv4_sk_update_pmtu()
1148 		sk_dst_set(sk, &rt->dst);  in ipv4_sk_update_pmtu()
1161 	struct rtable *rt;  in ipv4_redirect()  local
1165 	rt = __ip_route_output_key(net, &fl4);  in ipv4_redirect()
1166 	if (!IS_ERR(rt)) {  in ipv4_redirect()
1167 		__ip_do_redirect(rt, skb, &fl4, false);  in ipv4_redirect()
1168 		ip_rt_put(rt);  in ipv4_redirect()
1177 	struct rtable *rt;  in ipv4_sk_redirect()  local
1181 	rt = __ip_route_output_key(net, &fl4);  in ipv4_sk_redirect()
1182 	if (!IS_ERR(rt)) {  in ipv4_sk_redirect()
1183 		__ip_do_redirect(rt, skb, &fl4, false);  in ipv4_sk_redirect()
1184 		ip_rt_put(rt);  in ipv4_sk_redirect()
1192 	struct rtable *rt = (struct rtable *) dst;  in ipv4_dst_check()  local
1202 	if (dst->obsolete != DST_OBSOLETE_FORCE_CHK || rt_is_expired(rt))  in ipv4_dst_check()
1238 	struct rtable *rt;  in ipv4_link_failure()  local
1242 	rt = skb_rtable(skb);  in ipv4_link_failure()
1243 	if (rt)  in ipv4_link_failure()
1244 		dst_set_expires(&rt->dst, 0);  in ipv4_link_failure()
1266 void ip_rt_get_source(u8 *addr, struct sk_buff *skb, struct rtable *rt)  in ip_rt_get_source()  argument
1270 	if (rt_is_output_route(rt))  in ip_rt_get_source()
1279 			.flowi4_oif = rt->dst.dev->ifindex,  in ip_rt_get_source()
1285 		if (fib_lookup(dev_net(rt->dst.dev), &fl4, &res, 0) == 0)  in ip_rt_get_source()
1286 			src = fib_result_prefsrc(dev_net(rt->dst.dev), &res);  in ip_rt_get_source()
1288 			src = inet_select_addr(rt->dst.dev,  in ip_rt_get_source()
1289 					       rt_nexthop(rt, iph->daddr),  in ip_rt_get_source()
1297 static void set_class_tag(struct rtable *rt, u32 tag)  in set_class_tag()  argument
1299 	if (!(rt->dst.tclassid & 0xFFFF))  in set_class_tag()
1300 		rt->dst.tclassid |= tag & 0xFFFF;  in set_class_tag()
1301 	if (!(rt->dst.tclassid & 0xFFFF0000))  in set_class_tag()
1302 		rt->dst.tclassid |= tag & 0xFFFF0000;  in set_class_tag()
1412 static bool rt_bind_exception(struct rtable *rt, struct fib_nh_exception *fnhe,  in rt_bind_exception()  argument
1422 		int genid = fnhe_genid(dev_net(rt->dst.dev));  in rt_bind_exception()
1424 		if (rt_is_input_route(rt))  in rt_bind_exception()
1439 		fill_route_from_fnhe(rt, fnhe);  in rt_bind_exception()
1440 		if (!rt->rt_gw4) {  in rt_bind_exception()
1441 			rt->rt_gw4 = daddr;  in rt_bind_exception()
1442 			rt->rt_gw_family = AF_INET;  in rt_bind_exception()
1446 			dst_hold(&rt->dst);  in rt_bind_exception()
1447 			rcu_assign_pointer(*porig, rt);  in rt_bind_exception()
1462 static bool rt_cache_route(struct fib_nh_common *nhc, struct rtable *rt)  in rt_cache_route()  argument
1467 	if (rt_is_input_route(rt)) {  in rt_cache_route()
1477 	dst_hold(&rt->dst);  in rt_cache_route()
1478 	prev = cmpxchg(p, orig, rt);  in rt_cache_route()
1485 		dst_release(&rt->dst);  in rt_cache_route()
1499 void rt_add_uncached_list(struct rtable *rt)  in rt_add_uncached_list()  argument
1503 	rt->rt_uncached_list = ul;  in rt_add_uncached_list()
1506 	list_add_tail(&rt->rt_uncached, &ul->head);  in rt_add_uncached_list()
1510 void rt_del_uncached_list(struct rtable *rt)  in rt_del_uncached_list()  argument
1512 	if (!list_empty(&rt->rt_uncached)) {  in rt_del_uncached_list()
1513 		struct uncached_list *ul = rt->rt_uncached_list;  in rt_del_uncached_list()
1516 		list_del(&rt->rt_uncached);  in rt_del_uncached_list()
1523 	struct rtable *rt = (struct rtable *)dst;  in ipv4_dst_destroy()  local
1526 	rt_del_uncached_list(rt);  in ipv4_dst_destroy()
1531 	struct rtable *rt;  in rt_flush_dev()  local
1538 		list_for_each_entry(rt, &ul->head, rt_uncached) {  in rt_flush_dev()
1539 			if (rt->dst.dev != dev)  in rt_flush_dev()
1541 			rt->dst.dev = blackhole_netdev;  in rt_flush_dev()
1542 			dev_hold(rt->dst.dev);  in rt_flush_dev()
1549 static bool rt_cache_valid(const struct rtable *rt)  in rt_cache_valid()  argument
1551 	return	rt &&  in rt_cache_valid()
1552 		rt->dst.obsolete == DST_OBSOLETE_FORCE_CHK &&  in rt_cache_valid()
1553 		!rt_is_expired(rt);  in rt_cache_valid()
1556 static void rt_set_nexthop(struct rtable *rt, __be32 daddr,  in rt_set_nexthop()  argument
1568 			rt->rt_uses_gateway = 1;  in rt_set_nexthop()
1569 			rt->rt_gw_family = nhc->nhc_gw_family;  in rt_set_nexthop()
1572 				rt->rt_gw4 = nhc->nhc_gw.ipv4;  in rt_set_nexthop()
1574 				rt->rt_gw6 = nhc->nhc_gw.ipv6;  in rt_set_nexthop()
1577 		ip_dst_init_metrics(&rt->dst, fi->fib_metrics);  in rt_set_nexthop()
1584 			rt->dst.tclassid = nh->nh_tclassid;  in rt_set_nexthop()
1587 		rt->dst.lwtstate = lwtstate_get(nhc->nhc_lwtstate);  in rt_set_nexthop()
1589 			cached = rt_bind_exception(rt, fnhe, daddr, do_cache);  in rt_set_nexthop()
1591 			cached = rt_cache_route(nhc, rt);  in rt_set_nexthop()
1598 			if (!rt->rt_gw4) {  in rt_set_nexthop()
1599 				rt->rt_gw_family = AF_INET;  in rt_set_nexthop()
1600 				rt->rt_gw4 = daddr;  in rt_set_nexthop()
1602 			rt_add_uncached_list(rt);  in rt_set_nexthop()
1605 		rt_add_uncached_list(rt);  in rt_set_nexthop()
1609 	set_class_tag(rt, res->tclassid);  in rt_set_nexthop()
1611 	set_class_tag(rt, itag);  in rt_set_nexthop()
1619 	struct rtable *rt;  in rt_dst_alloc()  local
1621 	rt = dst_alloc(&ipv4_dst_ops, dev, 1, DST_OBSOLETE_FORCE_CHK,  in rt_dst_alloc()
1625 	if (rt) {  in rt_dst_alloc()
1626 		rt->rt_genid = rt_genid_ipv4(dev_net(dev));  in rt_dst_alloc()
1627 		rt->rt_flags = flags;  in rt_dst_alloc()
1628 		rt->rt_type = type;  in rt_dst_alloc()
1629 		rt->rt_is_input = 0;  in rt_dst_alloc()
1630 		rt->rt_iif = 0;  in rt_dst_alloc()
1631 		rt->rt_pmtu = 0;  in rt_dst_alloc()
1632 		rt->rt_mtu_locked = 0;  in rt_dst_alloc()
1633 		rt->rt_uses_gateway = 0;  in rt_dst_alloc()
1634 		rt->rt_gw_family = 0;  in rt_dst_alloc()
1635 		rt->rt_gw4 = 0;  in rt_dst_alloc()
1636 		INIT_LIST_HEAD(&rt->rt_uncached);  in rt_dst_alloc()
1638 		rt->dst.output = ip_output;  in rt_dst_alloc()
1640 			rt->dst.input = ip_local_deliver;  in rt_dst_alloc()
1643 	return rt;  in rt_dst_alloc()
1647 struct rtable *rt_dst_clone(struct net_device *dev, struct rtable *rt)  in rt_dst_clone()  argument
1652 			   rt->dst.flags);  in rt_dst_clone()
1656 		new_rt->rt_flags = rt->rt_flags;  in rt_dst_clone()
1657 		new_rt->rt_type = rt->rt_type;  in rt_dst_clone()
1658 		new_rt->rt_is_input = rt->rt_is_input;  in rt_dst_clone()
1659 		new_rt->rt_iif = rt->rt_iif;  in rt_dst_clone()
1660 		new_rt->rt_pmtu = rt->rt_pmtu;  in rt_dst_clone()
1661 		new_rt->rt_mtu_locked = rt->rt_mtu_locked;  in rt_dst_clone()
1662 		new_rt->rt_gw_family = rt->rt_gw_family;  in rt_dst_clone()
1663 		if (rt->rt_gw_family == AF_INET)  in rt_dst_clone()
1664 			new_rt->rt_gw4 = rt->rt_gw4;  in rt_dst_clone()
1665 		else if (rt->rt_gw_family == AF_INET6)  in rt_dst_clone()
1666 			new_rt->rt_gw6 = rt->rt_gw6;  in rt_dst_clone()
1669 		new_rt->dst.input = rt->dst.input;  in rt_dst_clone()
1670 		new_rt->dst.output = rt->dst.output;  in rt_dst_clone()
1671 		new_rt->dst.error = rt->dst.error;  in rt_dst_clone()
1673 		new_rt->dst.lwtstate = lwtstate_get(rt->dst.lwtstate);  in rt_dst_clone()
2148 	struct rtable *rt = skb_rtable(hint);  in ip_route_use_hint()  local
2162 	if (rt->rt_type != RTN_LOCAL)  in ip_route_use_hint()
2819 	struct rtable *rt;  in ipv4_blackhole_route()  local
2821 	rt = dst_alloc(&ipv4_dst_blackhole_ops, NULL, 1, DST_OBSOLETE_DEAD, 0);  in ipv4_blackhole_route()
2822 	if (rt) {  in ipv4_blackhole_route()
2823 		struct dst_entry *new = &rt->dst;  in ipv4_blackhole_route()
2832 		rt->rt_is_input = ort->rt_is_input;  in ipv4_blackhole_route()
2833 		rt->rt_iif = ort->rt_iif;  in ipv4_blackhole_route()
2834 		rt->rt_pmtu = ort->rt_pmtu;  in ipv4_blackhole_route()
2835 		rt->rt_mtu_locked = ort->rt_mtu_locked;  in ipv4_blackhole_route()
2837 		rt->rt_genid = rt_genid_ipv4(net);  in ipv4_blackhole_route()
2838 		rt->rt_flags = ort->rt_flags;  in ipv4_blackhole_route()
2839 		rt->rt_type = ort->rt_type;  in ipv4_blackhole_route()
2840 		rt->rt_uses_gateway = ort->rt_uses_gateway;  in ipv4_blackhole_route()
2841 		rt->rt_gw_family = ort->rt_gw_family;  in ipv4_blackhole_route()
2842 		if (rt->rt_gw_family == AF_INET)  in ipv4_blackhole_route()
2843 			rt->rt_gw4 = ort->rt_gw4;  in ipv4_blackhole_route()
2844 		else if (rt->rt_gw_family == AF_INET6)  in ipv4_blackhole_route()
2845 			rt->rt_gw6 = ort->rt_gw6;  in ipv4_blackhole_route()
2847 		INIT_LIST_HEAD(&rt->rt_uncached);  in ipv4_blackhole_route()
2852 	return rt ? &rt->dst : ERR_PTR(-ENOMEM);  in ipv4_blackhole_route()
2858 	struct rtable *rt = __ip_route_output_key(net, flp4);  in ip_route_output_flow()  local
2860 	if (IS_ERR(rt))  in ip_route_output_flow()
2861 		return rt;  in ip_route_output_flow()
2864 		flp4->flowi4_oif = rt->dst.dev->ifindex;  in ip_route_output_flow()
2865 		rt = (struct rtable *)xfrm_lookup_route(net, &rt->dst,  in ip_route_output_flow()
2870 	return rt;  in ip_route_output_flow()
2883 	struct rtable *rt = NULL;  in ip_route_output_tunnel()  local
2890 		rt = dst_cache_get_ip4(dst_cache, saddr);  in ip_route_output_tunnel()
2891 		if (rt)  in ip_route_output_tunnel()
2892 			return rt;  in ip_route_output_tunnel()
2903 	rt = ip_route_output_key(net, &fl4);  in ip_route_output_tunnel()
2904 	if (IS_ERR(rt)) {  in ip_route_output_tunnel()
2908 	if (rt->dst.dev == dev) { /* is this necessary? */  in ip_route_output_tunnel()
2910 		ip_rt_put(rt);  in ip_route_output_tunnel()
2915 		dst_cache_set_ip4(dst_cache, &rt->dst, fl4.saddr);  in ip_route_output_tunnel()
2918 	return rt;  in ip_route_output_tunnel()
2924 			struct rtable *rt, u32 table_id, struct flowi4 *fl4,  in rt_fill_info()  argument
2946 	r->rtm_type	= rt->rt_type;  in rt_fill_info()
2949 	r->rtm_flags	= (rt->rt_flags & ~0xFFFF) | RTM_F_CLONED;  in rt_fill_info()
2950 	if (rt->rt_flags & RTCF_NOTIFY)  in rt_fill_info()
2962 	if (rt->dst.dev &&  in rt_fill_info()
2963 	    nla_put_u32(skb, RTA_OIF, rt->dst.dev->ifindex))  in rt_fill_info()
2965 	if (rt->dst.lwtstate &&  in rt_fill_info()
2966 	    lwtunnel_fill_encap(skb, rt->dst.lwtstate, RTA_ENCAP, RTA_ENCAP_TYPE) < 0)  in rt_fill_info()
2969 	if (rt->dst.tclassid &&  in rt_fill_info()
2970 	    nla_put_u32(skb, RTA_FLOW, rt->dst.tclassid))  in rt_fill_info()
2973 	if (fl4 && !rt_is_input_route(rt) &&  in rt_fill_info()
2978 	if (rt->rt_uses_gateway) {  in rt_fill_info()
2979 		if (rt->rt_gw_family == AF_INET &&  in rt_fill_info()
2980 		    nla_put_in_addr(skb, RTA_GATEWAY, rt->rt_gw4)) {  in rt_fill_info()
2982 		} else if (rt->rt_gw_family == AF_INET6) {  in rt_fill_info()
2993 			memcpy(via->rtvia_addr, &rt->rt_gw6, alen);  in rt_fill_info()
2997 	expires = rt->dst.expires;  in rt_fill_info()
3007 	memcpy(metrics, dst_metrics_ptr(&rt->dst), sizeof(metrics));  in rt_fill_info()
3008 	if (rt->rt_pmtu && expires)  in rt_fill_info()
3009 		metrics[RTAX_MTU - 1] = rt->rt_pmtu;  in rt_fill_info()
3010 	if (rt->rt_mtu_locked && expires)  in rt_fill_info()
3026 		if (rt_is_input_route(rt)) {  in rt_fill_info()
3047 	error = rt->dst.error;  in rt_fill_info()
3049 	if (rtnl_put_cacheinfo(skb, &rt->dst, 0, expires, error) < 0)  in rt_fill_info()
3072 			struct rtable *rt;  in fnhe_dump_bucket()  local
3085 			rt = rcu_dereference(fnhe->fnhe_rth_input);  in fnhe_dump_bucket()
3086 			if (!rt)  in fnhe_dump_bucket()
3087 				rt = rcu_dereference(fnhe->fnhe_rth_output);  in fnhe_dump_bucket()
3088 			if (!rt)  in fnhe_dump_bucket()
3091 			err = rt_fill_info(net, fnhe->fnhe_daddr, 0, rt,  in fnhe_dump_bucket()
3274 	struct rtable *rt = NULL;  in inet_rtm_getroute()  local
3346 		rt = skb_rtable(skb);  in inet_rtm_getroute()
3347 		if (err == 0 && rt->dst.error)  in inet_rtm_getroute()
3348 			err = -rt->dst.error;  in inet_rtm_getroute()
3352 		rt = ip_route_output_key_hash_rcu(net, &fl4, &res, skb);  in inet_rtm_getroute()
3354 		if (IS_ERR(rt))  in inet_rtm_getroute()
3355 			err = PTR_ERR(rt);  in inet_rtm_getroute()
3357 			skb_dst_set(skb, &rt->dst);  in inet_rtm_getroute()
3364 		rt->rt_flags |= RTCF_NOTIFY;  in inet_rtm_getroute()
3389 		fri.type = rt->rt_type;  in inet_rtm_getroute()
3413 		err = rt_fill_info(net, dst, src, rt, table_id, &fl4, skb,  in inet_rtm_getroute()