From 1dac7db9cd6e18cdcb72d1eb2727032f28ff7913 Mon Sep 17 00:00:00 2001
From: Pikachu <u202012160@hust.edu.cn>
Date: Sat, 29 Apr 2023 07:33:37 +0800
Subject: [PATCH] =?UTF-8?q?[HUST=20CSE][kernel][thread]=20=E5=8F=98?=
 =?UTF-8?q?=E9=87=8F=20rt=5Ferr=20=E6=B2=A1=E6=9C=89=E5=88=9D=E5=A7=8B?=
 =?UTF-8?q?=E5=8C=96=20(#7401)?=
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---
 src/thread.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/thread.c b/src/thread.c
index 56f9094ab0..aef098963c 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -896,7 +896,7 @@ rt_err_t rt_thread_control(rt_thread_t thread, int cmd, void *arg)
 
         case RT_THREAD_CTRL_CLOSE:
         {
-            rt_err_t rt_err;
+            rt_err_t rt_err = -RT_EINVAL;
 
             if (rt_object_is_systemobject((rt_object_t)thread) == RT_TRUE)
             {