From 00da425cad5b340bbf2e482f2f94012316e343cc Mon Sep 17 00:00:00 2001
From: Fabrizio Balliano <fabrizio.balliano@gmail.com>
Date: Mon, 15 May 2023 14:07:05 +0100
Subject: [PATCH] Fixed Undefined variable $res in Mage_Core_Model_Cache
 (#3255)

---
 app/code/core/Mage/Core/Model/Cache.php | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/app/code/core/Mage/Core/Model/Cache.php b/app/code/core/Mage/Core/Model/Cache.php
index bc34eb5072f..87cd6476d82 100644
--- a/app/code/core/Mage/Core/Model/Cache.php
+++ b/app/code/core/Mage/Core/Model/Cache.php
@@ -419,11 +419,10 @@ public function clean($tags = [])
             if (!is_array($tags)) {
                 $tags = [$tags];
             }
-            $res = $this->getFrontend()->clean($mode, $this->_tags($tags));
-        } else {
-            $this->flush();
+            return $this->getFrontend()->clean($mode, $this->_tags($tags));
         }
-        return $res;
+
+        return $this->flush();
     }
 
     /**