X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fpowerdns.c;h=fa3eef33f4e254e6d9943c99d36e2cae4ac27b28;hb=5f676ef72a300ae4e8e979b4011cf7e3be505a6a;hp=f2149ef2f72b51f146dbcf93dee23549b2a0030e;hpb=edcf39cc377d2de0744412209de4eeb50ca7ed5f;p=collectd.git

diff --git a/src/powerdns.c b/src/powerdns.c
index f2149ef2..fa3eef33 100644
--- a/src/powerdns.c
+++ b/src/powerdns.c
@@ -598,6 +598,9 @@ static int powerdns_read_server(list_item_t *item) /* {{{ */
   status = powerdns_get_data(item, &buffer, &buffer_size);
   if (status != 0)
     return (-1);
+  if ((buffer == NULL) || (buffer_size == 0)) {
+    return EINVAL;
+  }
 
   if (item->fields_num != 0) {
     fields = (const char *const *)item->fields;