From: Christian Grothoff <christian@grothoff.org>
Date: Sun, 15 Jan 2017 17:41:34 +0000 (+0100)
Subject: block size of 0 is also valid
X-Git-Tag: taler-0.2.1~448
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=16fd15965ca4a9a2986f60a7301e86ecb06eb6e3;p=oweals%2Fgnunet.git

block size of 0 is also valid
---

diff --git a/src/dht/plugin_block_dht.c b/src/dht/plugin_block_dht.c
index 4256a0fe6..8bb533961 100644
--- a/src/dht/plugin_block_dht.c
+++ b/src/dht/plugin_block_dht.c
@@ -75,7 +75,8 @@ block_plugin_dht_evaluate (void *cls,
     GNUNET_break_op (0);
     return GNUNET_BLOCK_EVALUATION_REQUEST_INVALID;
   }
-  if (NULL == reply_block)
+  if ( (NULL == reply_block) ||
+       (0 == reply_block_size) )
     return GNUNET_BLOCK_EVALUATION_REQUEST_VALID;
   if (reply_block_size < sizeof (struct GNUNET_MessageHeader))
   {