From 54b35398963eef6a128068fb5398d77b068da99d Mon Sep 17 00:00:00 2001
From: Sukhwinder Dhillon <sukhwinder33445@gmail.com>
Date: Tue, 15 Aug 2023 16:33:18 +0200
Subject: [PATCH] UserBackend: Fix `Variable '$backend' is probably undefined`

---
 library/Icinga/Authentication/User/UserBackend.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/library/Icinga/Authentication/User/UserBackend.php b/library/Icinga/Authentication/User/UserBackend.php
index f2059ed85..423b2788d 100644
--- a/library/Icinga/Authentication/User/UserBackend.php
+++ b/library/Icinga/Authentication/User/UserBackend.php
@@ -187,6 +187,7 @@ class UserBackend implements ConfigAwareFactory
                 $name
             );
         }
+
         if ($backendType === 'external') {
             $backend = new ExternalBackend($backendConfig);
             $backend->setName($name);
@@ -229,6 +230,7 @@ class UserBackend implements ConfigAwareFactory
         }
 
         $resource = ResourceFactory::createResource($resourceConfig);
+        $backend = null;
         switch ($backendType) {
             case 'db':
                 $backend = new DbUserBackend($resource);