From d322ee3d548a87d6e996dd20b2b415aad4b53f62 Mon Sep 17 00:00:00 2001
From: Maria Matejka <mq@ucw.cz>
Date: Sun, 5 Sep 2021 13:00:08 +0200
Subject: [PATCH] OSPF: explicitly stop the periodic tick on shutdown to avoid
 recalculation races

---
 proto/ospf/ospf.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index ba8c2e2b..ebebf0ff 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -558,6 +558,9 @@ ospf_shutdown(struct proto *P)
   }
   FIB_WALK_END;
 
+  if (tm_active(p->disp_timer))
+    tm_stop(p->disp_timer);
+
   return PS_DOWN;
 }