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SecurityPkg/TcgDxe: Refine to compare 2 values with the same type 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Hao Wu 2017-01-06 16:10:09 +08:00
parent 51dee9a4b4
commit b35ace1777
1 changed files with 2 additions and 2 deletions
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4
SecurityPkg/Tcg/TcgDxe/TcgDxe.c
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@ -8,7 +8,7 @@ buffer overflow, integer overflow.
TcgDxePassThroughToTpm() will receive untrusted input and do basic validation.
Copyright (c) 2005 - 2016, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2005 - 2017, Intel Corporation. All rights reserved.<BR>
(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@ -395,7 +395,7 @@ TpmCommLogEvent (
//
// Prevent Event Overflow
//
if (NewEventHdr->EventSize > (UINTN)(~0) - sizeof (*NewEventHdr)) {
if ((UINTN) NewEventHdr->EventSize > MAX_UINTN - sizeof (*NewEventHdr)) {
return EFI_OUT_OF_RESOURCES;
}