From 5402a3ed14a4a86ba226233ad1034fc14b382198 Mon Sep 17 00:00:00 2001
From: John Wellbelove <john.wellbelove@etlcpp.com>
Date: Sat, 26 Aug 2023 10:46:05 +0100
Subject: [PATCH] Added destructor to CMSIS_RTOS2 mutex

---
 include/etl/mutex/mutex_cmsis_os2.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/etl/mutex/mutex_cmsis_os2.h b/include/etl/mutex/mutex_cmsis_os2.h
index 202a2e75..42f17715 100644
--- a/include/etl/mutex/mutex_cmsis_os2.h
+++ b/include/etl/mutex/mutex_cmsis_os2.h
@@ -44,12 +44,17 @@ namespace etl
   public:
 
     mutex()
-      : id(0)
+      : id(NULL)
     {
       osMutexAttr_t attr = { "ETL", osMutexRecursive | osMutexPrioInherit | osMutexRobust, 0, 0 };
       id = osMutexNew(&attr);
     }
 
+    ~mutex()
+    {
+      osMutexDelete(id);
+    }
+
     void lock()
     {
       osMutexAcquire(id, osWaitForever);