From 7a66c29615152b9e6353020338b286a780e2ac13 Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@collectd.org>
Date: Fri, 21 Nov 2014 11:23:01 +0100
Subject: [PATCH] mqtt plugin: Correctly check the return value of
 format_topic().

---
 src/mqtt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mqtt.c b/src/mqtt.c
index c5254375..163bd4ad 100644
--- a/src/mqtt.c
+++ b/src/mqtt.c
@@ -191,6 +191,7 @@ static int mqtt_write (const data_set_t *ds, const value_list_t *vl,
     conf = user_data->data;
 
     status = format_topic (topic, sizeof (topic), ds, vl, conf);
+    if (status != 0)
     {
         ERROR ("mqtt plugin: format_topic failed with status %d.", status);
         return (status);
-- 
2.11.0