From 33c031ee2092282a069ce07d30202082ceaf61fe Mon Sep 17 00:00:00 2001
From: jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Wed, 30 Mar 2011 19:33:03 +0000
Subject: pointer verification (not NULL) and buffer overrun fixes.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11459 6f19259b-4bc3-4df7-8a09-765794883524
---
 ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/FileImage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/FileImage.c')

diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/FileImage.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/FileImage.c
index 57cefb882c..fd6387a20a 100644
--- a/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/FileImage.c
+++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/FileImage.c
@@ -383,7 +383,7 @@ Returns:
   //
   // if is the old file
   //
-  if (StrCmp (FileName, HFileImage.FileName) == 0) {
+  if (HFileImage.FileName != NULL && FileName != NULL && StrCmp (FileName, HFileImage.FileName) == 0) {
     //
     // check whether file exists on disk
     //
-- 
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