Merge branch 'master' into master

1 files changed, 4 insertions, 4 deletions

diff --git a/src/timer.c b/src/timer.c
index d882711151..836df51e06 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -201,7 +201,7 @@ void rt_timer_init(rt_timer_t  timer,
     RT_ASSERT(timer != RT_NULL);
 
     /* timer object initialization */
-    rt_object_init((rt_object_t)timer, RT_Object_Class_Timer, name);
+    rt_object_init(&(timer->parent), RT_Object_Class_Timer, name);
 
     _rt_timer_init(timer, timeout, parameter, time, flag);
 }
@@ -233,7 +233,7 @@ rt_err_t rt_timer_detach(rt_timer_t timer)
     /* enable interrupt */
     rt_hw_interrupt_enable(level);
 
-    rt_object_detach((rt_object_t)timer);
+    rt_object_detach(&(timer->parent));
 
     return RT_EOK;
 }
@@ -298,7 +298,7 @@ rt_err_t rt_timer_delete(rt_timer_t timer)
     /* enable interrupt */
     rt_hw_interrupt_enable(level);
 
-    rt_object_delete((rt_object_t)timer);
+    rt_object_delete(&(timer->parent));
 
     return RT_EOK;
 }