From 55c1bf4105459ff39906f108aa8ad3f99cc0504b Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@collectd.org>
Date: Fri, 16 Dec 2016 18:38:34 +0100
Subject: [PATCH] set target: Avoid casting negative int to size_t.

CID: 157643
---
 src/target_set.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/target_set.c b/src/target_set.c
index 7d54c93b..a40273c0 100644
--- a/src/target_set.c
+++ b/src/target_set.c
@@ -183,8 +183,11 @@ static void ts_subst(char *dest, size_t size, const char *string, /* {{{ */
   REPLACE_FIELD("%{type_instance}", vl->type_instance);
 
   if (vl->meta != NULL) {
-    char **meta_toc;
+    char **meta_toc = NULL;
     int meta_entries = meta_data_toc(vl->meta, &meta_toc);
+    if (meta_entries <= 0)
+      return;
+
     for (int i = 0; i < meta_entries; i++) {
       char meta_name[DATA_MAX_NAME_LEN];
       char *value_str;
-- 
2.11.0