From 86445befde6f5b97c55a9722b9a2f64ded1e211f Mon Sep 17 00:00:00 2001
From: Neil Lathwood <neil@lathwood.co.uk>
Date: Sat, 28 Jan 2017 00:02:39 +0000
Subject: [PATCH] quick tidy up of dnslookup function #5633 (#5639)

---
 includes/functions.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/includes/functions.php b/includes/functions.php
index e0c2552fc9..27a5e80a3c 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -1513,7 +1513,7 @@ function oxidized_reload_nodes()
 function dnslookup($device, $type = false, $return = false)
 {
     if (filter_var($device['hostname'], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) == true || filter_var($device['hostname'], FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) == true) {
-        return '';
+        return false;
     }
     if (empty($type)) {
         // We are going to use the transport to work out the record type
@@ -1526,7 +1526,7 @@ function dnslookup($device, $type = false, $return = false)
         }
     }
     if (empty($return)) {
-        return '';
+        return false;
     }
     $record = dns_get_record($device['hostname'], $type);
     return $record[0][$return];