From ec2cba064ca7de430c27a5e979940a937e7dd9b7 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Wed, 29 Jun 2016 20:19:03 +0000
Subject: [PATCH] allow empty/NULL context message

---
 src/set/set_api.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/set/set_api.c b/src/set/set_api.c
index af4907dea..4f0cebb57 100644
--- a/src/set/set_api.c
+++ b/src/set/set_api.c
@@ -811,9 +811,12 @@ check_request (void *cls,
 {
   const struct GNUNET_MessageHeader *context_msg;
 
+  if (ntohs (msg->header.size) == sizeof (*msg))
+    return GNUNET_OK; /* no context message is OK */
   context_msg = GNUNET_MQ_extract_nested_mh (msg);
   if (NULL == context_msg)
   {
+    /* malformed context message is NOT ok */
     GNUNET_break_op (0);
     return GNUNET_SYSERR;
   }
-- 
2.25.1