From fffe83f2c73a2928e32c2c70ad788fea9a94d17a Mon Sep 17 00:00:00 2001
From: Nicolas LLOBERA <nllobera@gmail.com>
Date: Mon, 20 Mar 2017 17:35:14 +0100
Subject: [PATCH] checks if the file exists before trying the command for the
 cpu temperature

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

diff --git a/libs/cpu.php b/libs/cpu.php
index 9665c87..993e289 100644
--- a/libs/cpu.php
+++ b/libs/cpu.php
@@ -64,7 +64,7 @@ if ($frequency == 'N.A')
 // CPU Temp
 if ($Config->get('cpu:enable_temperature'))
 {
-    if (exec('/usr/bin/sensors | grep -E "^(CPU Temp|Core 0)" | cut -d \'+\' -f2 | cut -d \'.\' -f1', $t))
+    if (file_exists('/usr/bin/sensors') && exec('/usr/bin/sensors | grep -E "^(CPU Temp|Core 0)" | cut -d \'+\' -f2 | cut -d \'.\' -f1', $t))
     {
         if (isset($t[0]))
             $temp = $t[0].' °C';
@@ -88,4 +88,4 @@ $datas = array(
     'temp'       => $temp,
 );
 
-echo json_encode($datas);
\ No newline at end of file
+echo json_encode($datas);