X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fgraph.c;h=491a59f6323790057bdef04ff49dee02d400a07b;hp=a3fe0ce552134a8fa5e9baaabd8f688b79fb3048;hb=6363ed4d9c675b8b9301b694c4e4dd9c892e04e2;hpb=40b1692940a8d588c08fb6b8f24ded7c33b041b1

diff --git a/src/graph.c b/src/graph.c
index a3fe0ce5..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;
@@ -258,9 +260,11 @@ void sssp_bfs(void)
 			if(n->status.reachable) {
 				ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Node %s (%s) became reachable"),
 					   n->name, n->hostname);
+				avl_insert(node_udp_tree, n);
 			} else {
 				ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Node %s (%s) became unreachable"),
 					   n->name, n->hostname);
+				avl_delete(node_udp_tree, n);
 			}
 
 			n->status.validkey = false;