From c27f193cdbb5110aadf12835462a965261b9dd41 Mon Sep 17 00:00:00 2001
From: liyan <liyan339@h-partners.com>
Date: Wed, 30 Mar 2022 11:18:34 +0000
Subject: [PATCH] =?UTF-8?q?=E5=90=8C=E6=AD=A5master=E5=86=85=E6=BA=90?=
 =?UTF-8?q?=E9=97=AE=E9=A2=981062=20Signed-off-by:=20li-yan339=20<liyan339?=
 =?UTF-8?q?@h-partners.com>?=
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---
 zh-cn/device-dev/driver/driver-platform-uart-develop.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/zh-cn/device-dev/driver/driver-platform-uart-develop.md b/zh-cn/device-dev/driver/driver-platform-uart-develop.md
index b0c410be52..82f50bc23b 100755
--- a/zh-cn/device-dev/driver/driver-platform-uart-develop.md
+++ b/zh-cn/device-dev/driver/driver-platform-uart-develop.md
@@ -535,10 +535,10 @@ UART模块适配HDF框架的三个环节是配置属性文件，实例化驱动
                 if (port->physBase != 0) {
                     OsalIoUnmap((void *)port->physBase);//地址反映射
                 }
-                (void)OsalMemFree(port);
+                OsalMemFree(port);
                 udd->private = NULL;
             }
-            (void)OsalMemFree(udd);//释放UartDriverData
+            OsalMemFree(udd);//释放UartDriverData
             host->priv = NULL;
         }
         ```
-- 
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