783 	struct rtable *rt = NULL;  in geneve_get_v4_rt()  local
808 		rt = dst_cache_get_ip4(dst_cache, &fl4->saddr);  in geneve_get_v4_rt()
809 		if (rt)  in geneve_get_v4_rt()
810 			return rt;  in geneve_get_v4_rt()
812 	rt = ip_route_output_key(geneve->net, fl4);  in geneve_get_v4_rt()
813 	if (IS_ERR(rt)) {  in geneve_get_v4_rt()
817 	if (rt->dst.dev == dev) { /* is this necessary? */  in geneve_get_v4_rt()
819 		ip_rt_put(rt);  in geneve_get_v4_rt()
823 		dst_cache_set_ip4(dst_cache, &rt->dst, fl4->saddr);  in geneve_get_v4_rt()
824 	return rt;  in geneve_get_v4_rt()
890 	struct rtable *rt;  in geneve_xmit_skb()  local
902 	rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info,  in geneve_xmit_skb()
904 	if (IS_ERR(rt))  in geneve_xmit_skb()
905 		return PTR_ERR(rt);  in geneve_xmit_skb()
907 	err = skb_tunnel_check_pmtu(skb, &rt->dst,  in geneve_xmit_skb()
911 		dst_release(&rt->dst);  in geneve_xmit_skb()
922 				dst_release(&rt->dst);  in geneve_xmit_skb()
931 			dst_release(&rt->dst);  in geneve_xmit_skb()
937 		dst_release(&rt->dst);  in geneve_xmit_skb()
952 		ttl = ttl ? : ip4_dst_hoplimit(&rt->dst);  in geneve_xmit_skb()
970 	err = geneve_build_skb(&rt->dst, skb, info, xnet, sizeof(struct iphdr));  in geneve_xmit_skb()
974 	udp_tunnel_xmit_skb(rt, gs4->sock->sk, skb, fl4.saddr, fl4.daddr,  in geneve_xmit_skb()
1121 		struct rtable *rt;  in geneve_fill_metadata_dst()  local
1128 		rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info,  in geneve_fill_metadata_dst()
1130 		if (IS_ERR(rt))  in geneve_fill_metadata_dst()
1131 			return PTR_ERR(rt);  in geneve_fill_metadata_dst()
1133 		ip_rt_put(rt);  in geneve_fill_metadata_dst()
1593 		struct rtable *rt = ip_route_output_key(geneve->net, &fl4);  in geneve_link_config()  local
1595 		if (!IS_ERR(rt) && rt->dst.dev) {  in geneve_link_config()
1596 			ldev_mtu = rt->dst.dev->mtu - GENEVE_IPV4_HLEN;  in geneve_link_config()
1597 			ip_rt_put(rt);  in geneve_link_config()
1603 		struct rt6_info *rt;  in geneve_link_config()  local
1608 		rt = rt6_lookup(geneve->net, &info->key.u.ipv6.dst, NULL, 0,  in geneve_link_config()
1611 		if (rt && rt->dst.dev)  in geneve_link_config()
1612 			ldev_mtu = rt->dst.dev->mtu - GENEVE_IPV6_HLEN;  in geneve_link_config()
1613 		ip6_rt_put(rt);  in geneve_link_config()