From d6dcb0558daff2fb543bd90f3edd2228a6886822 Mon Sep 17 00:00:00 2001
From: Erik Boasson <eb@ilities.com>
Date: Mon, 7 Jan 2019 12:52:17 +0100
Subject: [PATCH] fix incorrect QoS compare that breaks creating topics
 multiple times

Signed-off-by: Erik Boasson <eb@ilities.com>
---
 src/core/ddsc/src/dds_qos.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/ddsc/src/dds_qos.c b/src/core/ddsc/src/dds_qos.c
index caa65dc..38c61e3 100644
--- a/src/core/ddsc/src/dds_qos.c
+++ b/src/core/ddsc/src/dds_qos.c
@@ -316,7 +316,7 @@ bool dds_qos_equal (
     } else if (a == NULL || b == NULL) {
         return false;
     } else {
-        return nn_xqos_delta(a, b, ~(uint64_t)0) != 0;
+        return nn_xqos_delta(a, b, ~(uint64_t)0) == 0;
     }
 }