Avahi disables a timer by tv=NULL in avahi_timeout_update(), do not crash

diff --git a/source/lib/avahi.c b/source/lib/avahi.c
index bdc58cb8145d5eeb6162124c20d7d8cd241292e0..b30ef0627eba807e009352e9a3eef6d32cf4a016 100644 (file)
--- a/source/lib/avahi.c
+++ b/source/lib/avahi.c
@@ -216,6 +216,13 @@ static void avahi_timeout_update(AvahiTimeout *t, const struct timeval *tv)
 {
        TALLOC_FREE(t->te);
 
+       if (tv == NULL) {
+               /*
+                * Disable this timer
+                */
+               return;
+       }
+
        t->te = event_add_timed(t->ctx->ev, t, *tv, avahi_timeout_handler, t);
        /*
         * No failure mode defined here