From ec802efd3b6e58c1158a960af76afd37f25be2a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tuomas=20Riihim=C3=A4ki?= <tuomari@iudex.fi>
Date: Fri, 23 Jan 2015 18:49:19 +0200
Subject: [PATCH] Do not add empty $config['mydomain'] when autodiscovering
 When \$config['mydomain'] variable is empty, '.' is appended to the device
 hostname. This patch adds a check to prevent that."

---
 includes/discovery/functions.inc.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/discovery/functions.inc.php b/includes/discovery/functions.inc.php
index 44e11bc4e0..9dc4f051ad 100644
--- a/includes/discovery/functions.inc.php
+++ b/includes/discovery/functions.inc.php
@@ -16,7 +16,7 @@ function discover_new_device($hostname)
   global $config, $debug;
 
   if ($config['autodiscovery']['xdp']) {
-    if ( isDomainResolves($hostname . "." . $config['mydomain']) ) {
+    if (!empty($config['mydomain']) && isDomainResolves($hostname . "." . $config['mydomain']) ) {
       $dst_host = $hostname . "." . $config['mydomain'];
     } else {
       $dst_host = $hostname;