From 4d10ab79d771f6ad88f54db324a7ac184118ccf7 Mon Sep 17 00:00:00 2001
From: jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Mon, 10 Oct 2011 20:36:44 +0000
Subject: [PATCH] ShellPkg: Add checks for NULL pointers.

This adds lots of pointer verification with ASSERTs only used when the condition should be impossible and never for memory allocation.

signed-off-by: jcarsey
reviewed-by: geekboy15a


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12524 6f19259b-4bc3-4df7-8a09-765794883524
---
 ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/HexEdit.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/HexEdit.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/HexEdit.c
index edd2f67650..68074d4244 100644
--- a/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/HexEdit.c
+++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/HexEdit.c
@@ -189,7 +189,7 @@ ShellCommandRunHexEdit (
         switch (WhatToDo) {
         case FileTypeFileBuffer:
           Status = HBufferImageRead (
-                    Name,
+                    Name==NULL?L"":Name,
                     NULL,
                     0,
                     0,
@@ -203,7 +203,7 @@ ShellCommandRunHexEdit (
         case FileTypeDiskBuffer:
           Status = HBufferImageRead (
                     NULL,
-                    Name,
+                    Name==NULL?L"":Name,
                     Offset,
                     Size,
                     0,