Check if an event is initialized before calling event_del().

[tinc] / src / graph.c

diff --git a/src/graph.c b/src/graph.c
index bdb32a0..c78615b 100644 (file)
--- a/src/graph.c
+++ b/src/graph.c
@@ -349,7 +349,8 @@ void check_reachability() {
                        n->minmtu = 0;
                        n->mtuprobes = 0;
 
-                       event_del(&n->mtuevent);
+                       if(timeout_initialized(&n->mtuevent))
+                               event_del(&n->mtuevent);
 
                        xasprintf(&envp[0], "NETNAME=%s", netname ? : "");
                        xasprintf(&envp[1], "DEVICE=%s", device ? : "");