postgresql plugin: Register a new user data pointer with udb_query_set_user_data...

[collectd.git] / src / utils_db_query.c

diff --git a/src/utils_db_query.c b/src/utils_db_query.c
index ab4299b..e8d7b3a 100644 (file)
--- a/src/utils_db_query.c
+++ b/src/utils_db_query.c
@@ -192,8 +192,9 @@ static int udb_result_submit (udb_result_t *r, /* {{{ */
   assert (r != NULL);
   assert (r_area->ds != NULL);
   assert (((size_t) r_area->ds->ds_num) == r->values_num);
+  assert (r->values_num > 0);
 
-  vl.values = (value_t *) calloc (r_area->ds->ds_num, sizeof (value_t));
+  vl.values = (value_t *) calloc (r->values_num, sizeof (value_t));
   if (vl.values == NULL)
   {
     ERROR ("db query utils: malloc failed.");