From 2a013bb3a01174fac3a841fd825ac4f13f3ea84d Mon Sep 17 00:00:00 2001
From: Jan Moskyto Matejka <mq@ucw.cz>
Date: Mon, 1 Feb 2016 10:25:31 +0100
Subject: Fixed sigsegv for missing proto->rt_notify hook

If rt_notify is NULL, the export must always stay DOWN.
---
 nest/proto.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/nest/proto.c b/nest/proto.c
index 08786e56..5b55f9ee 100644
--- a/nest/proto.c
+++ b/nest/proto.c
@@ -339,7 +339,7 @@ channel_set_state(struct channel *c, uint state)
     if (cs == CS_DOWN)
       channel_do_start(c);
 
-    if (!c->gr_wait)
+    if (!c->gr_wait && c->proto->rt_notify)
       channel_start_export(c);
 
     break;
@@ -1089,7 +1089,7 @@ graceful_restart_done(struct timer *t UNUSED)
     WALK_LIST(c, p->channels)
     {
       /* Resume postponed export of routes */
-      if ((c->channel_state == CS_UP) && c->gr_wait)
+      if ((c->channel_state == CS_UP) && c->gr_wait && c->proto->rt_notify)
 	channel_start_export(c);
 
       /* Cleanup */
-- 
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