From 66c615ac3ef260072da135ffea5551b2f94339a0 Mon Sep 17 00:00:00 2001
From: HouraisanNEET <HouraisanNEET@users.noreply.github.com>
Date: Fri, 30 Apr 2021 06:06:19 +0800
Subject: [PATCH] Hide Null Speed and Duplex

Signed-off-by: HouraisanNEET <HouraisanNEET@users.noreply.github.com>
---
 lib/OperatingSystems/DefaultOs.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/OperatingSystems/DefaultOs.php b/lib/OperatingSystems/DefaultOs.php
index 08c762c2..1b0431a7 100644
--- a/lib/OperatingSystems/DefaultOs.php
+++ b/lib/OperatingSystems/DefaultOs.php
@@ -158,14 +158,14 @@ public function getNetworkInterfaces(): array {
 			if ($iface['interface'] !== 'lo') {
 				$iface['status'] = shell_exec('cat /sys/class/net/' . $iface['interface'] . '/operstate');
 				$iface['speed']  = shell_exec('cat /sys/class/net/' . $iface['interface'] . '/speed');
-				if ($iface['speed'] !== '') {
+				if (isset($iface['speed']) && $iface['speed'] !== '') {
 					$iface['speed'] = $iface['speed'] . 'Mbps';
 				} else {
 					$iface['speed'] = 'unknown';
 				}
 
 				$duplex = shell_exec('cat /sys/class/net/' . $iface['interface'] . '/duplex');
-				if ($duplex !== '') {
+				if (isset($duplex) && $duplex !== '') {
 					$iface['duplex'] = 'Duplex: ' . $duplex;
 				} else {
 					$iface['duplex'] = '';