From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 10 Mar 2017 16:28:03 +0000 (+0100)
Subject: properly handle error on empty queue
X-Git-Tag: gnunet-0.11.0rc0~291^2~27
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=6329bd3a348d51927b8188a04a1723c6e2edae1f;p=oweals%2Fgnunet.git

properly handle error on empty queue
---

diff --git a/src/datastore/datastore_api.c b/src/datastore/datastore_api.c
index cf7c7bb1a..ef7cd7532 100644
--- a/src/datastore/datastore_api.c
+++ b/src/datastore/datastore_api.c
@@ -323,14 +323,14 @@ mq_error_handler (void *cls,
        "MQ error, reconnecting to DATASTORE\n");
   do_disconnect (h);
   qe = h->queue_head;
+  if (NULL == qe)
+    return;
   if (NULL != qe->delay_warn_task)
   {
     GNUNET_SCHEDULER_cancel (qe->delay_warn_task);
     qe->delay_warn_task = NULL;
   }
-
-  if ( (NULL != qe) &&
-       (NULL == qe->env) )
+  if (NULL == qe->env)
   {
     union QueueContext qc = qe->qc;
     uint16_t rt = qe->response_type;