From 7c8c596991f6397ec3ca1911638acb2de721c7a7 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Wed, 1 Feb 2017 16:57:36 +0100
Subject: use NULL as flag for evaluation of query, ensure we pass non-NULL for
 reply_block to evaluate reply even if reply is zero bytes long

---
 src/dns/plugin_block_dns.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/dns')

diff --git a/src/dns/plugin_block_dns.c b/src/dns/plugin_block_dns.c
index dc339dd25..8c6ec93ee 100644
--- a/src/dns/plugin_block_dns.c
+++ b/src/dns/plugin_block_dns.c
@@ -69,7 +69,7 @@ block_plugin_dns_evaluate (void *cls,
     if (0 != xquery_size)
       return GNUNET_BLOCK_EVALUATION_REQUEST_INVALID;
 
-    if (0 == reply_block_size)
+    if (NULL == reply_block)
       return GNUNET_BLOCK_EVALUATION_REQUEST_VALID;
 
     if (sizeof (struct GNUNET_DNS_Advertisement) != reply_block_size)
-- 
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