From 07c51cd9a293a302013169566c2508fb320522d4 Mon Sep 17 00:00:00 2001
From: Matthias Wachs <wachs@net.in.tum.de>
Date: Wed, 16 Nov 2011 15:18:58 +0000
Subject: [PATCH] fix for mantis 1897

---
 src/transport/gnunet-service-transport_neighbours.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/transport/gnunet-service-transport_neighbours.c b/src/transport/gnunet-service-transport_neighbours.c
index 67eb9f39b..3a5888734 100644
--- a/src/transport/gnunet-service-transport_neighbours.c
+++ b/src/transport/gnunet-service-transport_neighbours.c
@@ -654,10 +654,13 @@ transmit_send_continuation (void *cls,
 {
   struct MessageQueue *mq;
   struct NeighbourMapEntry *n;
+  struct NeighbourMapEntry *tmp;
+
+  tmp = lookup_neighbour(receiver);
 
   mq = cls;
   n = mq->n;
-  if (NULL != n)
+  if ((NULL != n) && (tmp != NULL) && (tmp == n))
   {
     GNUNET_assert (n->is_active == mq);
     n->is_active = NULL;
-- 
2.25.1