From 27d00c1ba73232c8130fdf135a29d0e2551a0023 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 24 Feb 2017 14:12:03 +0100
Subject: [PATCH] permit NULL head

---
 src/cadet/gnunet-service-cadet-new_tunnels.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/cadet/gnunet-service-cadet-new_tunnels.c b/src/cadet/gnunet-service-cadet-new_tunnels.c
index 05a1e071d..9d87f9e03 100644
--- a/src/cadet/gnunet-service-cadet-new_tunnels.c
+++ b/src/cadet/gnunet-service-cadet-new_tunnels.c
@@ -603,8 +603,11 @@ GCT_count_any_connections (const struct CadetTunnel *t)
 static struct CadetTConnection *
 get_ready_connection (struct CadetTunnel *t)
 {
-  GNUNET_assert (GNUNET_YES == t->connection_ready_head->is_ready);
-  return t->connection_ready_head;
+  struct CadetTConnection *hd = t->connection_ready_head;
+
+  GNUNET_assert ( (NULL == hd) ||
+                  (GNUNET_YES == hd->is_ready) );
+  return hd;
 }
 
 
-- 
2.25.1