From 38eb3fc40f817ea1dce5223a9bac0d2d3b578bd2 Mon Sep 17 00:00:00 2001
From: Yaochenger <75192526+Yaochenger@users.noreply.github.com>
Date: Thu, 30 Mar 2023 11:06:21 +0800
Subject: [utest][atomic]添加返回值测试 (#7124)
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* [utest][atomic]添加返回值测试
---
 libcpu/arm/common/atomic_arm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'libcpu/arm')

diff --git a/libcpu/arm/common/atomic_arm.c b/libcpu/arm/common/atomic_arm.c
index 81ada079f3..bcdb496317 100644
--- a/libcpu/arm/common/atomic_arm.c
+++ b/libcpu/arm/common/atomic_arm.c
@@ -77,7 +77,7 @@ rt_atomic_t rt_hw_atomic_load(volatile rt_atomic_t *ptr)
     {
         oldval = __LDREXW(ptr);
     } while ((__STREXW(oldval, ptr)) != 0U);
-    return *ptr;
+    return oldval;
 }
 
 void rt_hw_atomic_store(volatile rt_atomic_t *ptr, rt_atomic_t val)
@@ -166,7 +166,7 @@ rt_atomic_t rt_hw_atomic_flag_test_and_set(volatile rt_atomic_t *ptr)
     return oldval;
 }
 
-rt_atomic_t rt_hw_atomic_compare_exchange_strong(volatile rt_atomic_t *ptr, rt_atomic_t *old, rt_atomic_t new)
+rt_atomic_t rt_hw_atomic_compare_exchange_strong(volatile rt_atomic_t *ptr, volatile rt_atomic_t *old, rt_atomic_t new)
 {
     rt_atomic_t result;
     rt_atomic_t temp = *old;
-- 
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