From: Guus Sliepen <guus@tinc-vpn.org>
Date: Thu, 20 Jan 2005 15:14:25 +0000 (+0000)
Subject: Don't try to add a non-existing node back to the node_udp_tree.
X-Git-Tag: import-tinc-1.1~738
X-Git-Url: https://git.meshlink.io/?a=commitdiff_plain;h=6363ed4d9c675b8b9301b694c4e4dd9c892e04e2;p=meshlink

Don't try to add a non-existing node back to the node_udp_tree.
---

diff --git a/src/graph.c b/src/graph.c
index f6ce90de..491a59f6 100644
--- a/src/graph.c
+++ b/src/graph.c
@@ -226,7 +226,9 @@ void sssp_bfs(void)
 					free(e->to->hostname);
 
 				e->to->hostname = sockaddr2hostname(&e->to->address);
-				avl_insert_node(node_udp_tree, node);
+
+				if(node)
+					avl_insert_node(node_udp_tree, node);
 
 				if(e->to->options & OPTION_PMTU_DISCOVERY) {
 					e->to->mtuprobes = 0;