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Change BuildGuidHob and BuildGuidDataHob to return NULL upon failure.

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Guarantee no memory corruption in an out of memory condition even in production builds.

Signed-off-by: niruiyu
Reviewed-by: mdkinney

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11775 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
niruiyu
2011-06-09 02:51:00 +00:00
parent 10fe0d814a
commit ef2635c399
4 changed files with 64 additions and 14 deletions
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8
MdePkg/Library/DxeCoreHobLib/HobLib.c
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@@ -1,7 +1,7 @@
/** @file
HOB Library implementation for DxeCore driver.
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -286,7 +286,8 @@ BuildResourceDescriptorHob (
@param Guid The GUID to tag the customized HOB.
@param DataLength The size of the data payload for the GUID HOB.
@return The start address of GUID HOB data.
@retval NULL The GUID HOB could not be allocated.
@retval others The start address of GUID HOB data.
**/
VOID *
@@ -323,7 +324,8 @@ BuildGuidHob (
@param Data The data to be copied into the data field of the GUID HOB.
@param DataLength The size of the data payload for the GUID HOB.
@return The start address of GUID HOB data.
@retval NULL The GUID HOB could not be allocated.
@retval others The start address of GUID HOB data.
**/
VOID *