From f8c6c66d157adc18fa87cfd0ddd8a692c4f75846 Mon Sep 17 00:00:00 2001
From: CodingJellyfish <dumaosen_main01@outlook.com>
Date: Sun, 12 Jan 2025 15:27:25 +0800
Subject: [PATCH] Fix memory corruption with shared wheel and headlight, see
 #5240

---
 src/karts/kart_model.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/karts/kart_model.cpp b/src/karts/kart_model.cpp
index 933cd13a1c4..ccc4632ad1f 100644
--- a/src/karts/kart_model.cpp
+++ b/src/karts/kart_model.cpp
@@ -267,7 +267,8 @@ KartModel::~KartModel()
         if(m_is_master && m_wheel_model[i])
         {
             irr_driver->dropAllTextures(m_wheel_model[i]);
-            irr_driver->removeMeshFromCache(m_wheel_model[i]);
+            if (m_wheel_model[i]->getReferenceCount() == 1)
+                irr_driver->removeMeshFromCache(m_wheel_model[i]);
         }
     }