From f0bef36b16d5605c7a85174d2a35ea2397ccba39 Mon Sep 17 00:00:00 2001
From: Simon Smith <simonsmith5521@gmail.com>
Date: Tue, 6 Apr 2021 17:44:35 +0100
Subject: [PATCH] fix adding discrete ipmi sensors (#12709)

---
 includes/discovery/sensors/ipmi.inc.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/includes/discovery/sensors/ipmi.inc.php b/includes/discovery/sensors/ipmi.inc.php
index 938e4e50ee..491fe9b638 100644
--- a/includes/discovery/sensors/ipmi.inc.php
+++ b/includes/discovery/sensors/ipmi.inc.php
@@ -18,9 +18,9 @@ if ($ipmi['host'] = get_dev_attrib($device, 'ipmi_hostname')) {
     foreach (Config::get('ipmi.type', []) as $ipmi_type) {
         $results = explode(PHP_EOL, external_exec(array_merge($cmd, ['-I', $ipmi_type, 'sensor'])));
 
-        array_filter($results, function ($line) {
+        $results = array_values(array_filter($results, function ($line) {
             return ! Str::contains($line, 'discrete');
-        });
+        }));
 
         if (! empty($results)) {
             set_dev_attrib($device, 'ipmi_type', $ipmi_type);