X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ArmPkg%2FLibrary%2FSemiHostingSerialPortLib%2FSerialPortLib.c;h=b6a07dd46608f49a15224df7532fd16ad92faded;hb=b8de64bedecf01b5df760d9f81bdd9c0d733399e;hp=7e5c61fad4bdbdd658f76f005c12ac983c76d427;hpb=ff5fef1428dafc8f73e1f5d63966ef5c9bd8c420;p=mirror_edk2.git

diff --git a/ArmPkg/Library/SemiHostingSerialPortLib/SerialPortLib.c b/ArmPkg/Library/SemiHostingSerialPortLib/SerialPortLib.c
index 7e5c61fad4..b6a07dd466 100644
--- a/ArmPkg/Library/SemiHostingSerialPortLib/SerialPortLib.c
+++ b/ArmPkg/Library/SemiHostingSerialPortLib/SerialPortLib.c
@@ -2,6 +2,7 @@
   Serial I/O Port library functions with no library constructor/destructor
 
   Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+  Copyright (c) 2021, Arm Limited. All rights reserved.<BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
@@ -36,11 +37,11 @@ SerialPortInitialize (
 /**
   Write data to serial device.
 
-  @param  Buffer           Point of data buffer which need to be writed.
+  @param  Buffer           Point of data buffer which need to be written.
   @param  NumberOfBytes    Number of output bytes which are cached in Buffer.
 
   @retval 0                Write data failed.
-  @retval !0               Actual number of bytes writed to serial device.
+  @retval !0               Actual number of bytes written to serial device.
 
 **/
 
@@ -55,10 +56,13 @@ SerialPortWrite (
 )
 {
   UINT8 PrintBuffer[PRINT_BUFFER_SIZE];
-  UINTN SourceIndex      = 0;
-  UINTN DestinationIndex = 0;
+  UINTN SourceIndex;
+  UINTN DestinationIndex;
   UINT8 CurrentCharacter;
 
+  SourceIndex      = 0;
+  DestinationIndex = 0;
+
   while (SourceIndex < NumberOfBytes)
   {
       CurrentCharacter = Buffer[SourceIndex++];
@@ -99,7 +103,7 @@ SerialPortWrite (
 /**
   Read data from serial device and save the datas in buffer.
 
-  @param  Buffer           Point of data buffer which need to be writed.
+  @param  Buffer           Point of data buffer which need to be written.
   @param  NumberOfBytes    Number of output bytes which are cached in Buffer.
 
   @retval 0                Read data failed.