From d00719485f6d2be3b84d076a1bd3b7f96000a57f Mon Sep 17 00:00:00 2001
From: Enze Zhu <zhuenze@byosoft.com.cn>
Date: Mon, 26 Oct 2020 16:39:37 +0800
Subject: ShellPkg:Fix bug in FileBuffer.c

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2998

In the function FileBufferCutLine(),set the CutLine pointer to NULL,
The function header specifies that the pointer is valid on a successful
or failed return code.

Signed-off-by: Enze Zhu <zhuenze@byosoft.com.cn>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Zhichao Gao <zhichao.gao@intel.com>
---
 ShellPkg/Library/UefiShellDebug1CommandsLib/Edit/FileBuffer.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'ShellPkg')

diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/Edit/FileBuffer.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/Edit/FileBuffer.c
index 5659ec9810..925d910ae2 100644
--- a/ShellPkg/Library/UefiShellDebug1CommandsLib/Edit/FileBuffer.c
+++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/Edit/FileBuffer.c
@@ -2767,6 +2767,8 @@ FileBufferCutLine (
   UINTN           Row;
   UINTN           Col;
 
+  *CutLine      = NULL;
+
   if (FileBuffer.ReadOnly) {
     StatusBarSetStatusString (L"Read Only File Can Not Be Modified");
     return EFI_SUCCESS;
-- 
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