From 10e022c05c8b3bfefc0615190887958bd9a13ff6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robbert=20M=C3=BCller?= <robbert.muller@dealerdirect.nl>
Date: Wed, 18 Oct 2017 10:32:45 +0200
Subject: [PATCH] bug fixes

- add missing default value
- invert logic, because it was doing it the wrong way around
---
 src/Provider/Node/SystemNodeProvider.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Provider/Node/SystemNodeProvider.php b/src/Provider/Node/SystemNodeProvider.php
index 507948c..3780d5d 100644
--- a/src/Provider/Node/SystemNodeProvider.php
+++ b/src/Provider/Node/SystemNodeProvider.php
@@ -39,11 +39,11 @@ class SystemNodeProvider implements NodeProviderInterface
         $matches = array();
 
         // first try a  linux specific way
-
         $node = $this->getsysfs();
+
         // Search the ifconfig output for all MAC addresses and return
         // the first one found
-        if ($node !== false) {
+        if ($node === false) {
             if (preg_match_all($pattern, $this->getIfconfig(), $matches, PREG_PATTERN_ORDER)) {
                 $node = $matches[1][0];
             }
@@ -86,6 +86,7 @@ class SystemNodeProvider implements NodeProviderInterface
      */
     protected function getsysfs()
     {
+        $mac = false;
         if (strtoupper(php_uname('s')) === "LINUX") {
             // get all the macadresses of all systems
             $macs = array_map(