fix potential curl plugin curl_slist_append memory leak

[collectd.git] / src / curl_xml.c

diff --git a/src/curl_xml.c b/src/curl_xml.c
index d34b69e..9483738 100644 (file)
--- a/src/curl_xml.c
+++ b/src/curl_xml.c
@@ -215,16 +215,19 @@ static void cx_free (void *arg) /* {{{ */
 static int cx_config_append_string (const char *name, struct curl_slist **dest, /* {{{ */
     oconfig_item_t *ci)
 {
+  struct curl_slist *temp = NULL;
   if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
   {
     WARNING ("curl_xml plugin: `%s' needs exactly one string argument.", name);
     return (-1);
   }
 
-  *dest = curl_slist_append(*dest, ci->values[0].value.string);
-  if (*dest == NULL)
+  temp = curl_slist_append(*dest, ci->values[0].value.string);
+  if (temp == NULL)
     return (-1);
 
+  *dest = temp;
+
   return (0);
 } /* }}} int cx_config_append_string */