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Fix TPM may be locked twice issue in normal boot. 

Signed-off-by: Dong Guo <guo.dong@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Yao Jiewen <jiewen.yao@intel.com>


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14079 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
gdong1 2013-01-24 07:14:28 +00:00
parent 96cc1800e7
commit 03ecb5769b
1 changed files with 8 additions and 8 deletions
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16
SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c
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@ -8,7 +8,7 @@
ExecutePendingTpmRequest() will receive untrusted input and do validation.
Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2013, 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
@ -1010,13 +1010,6 @@ ExecutePendingTpmRequest (
UINTN DataSize;
BOOLEAN RequestConfirmed;
if (TcgPpData->PPRequest == PHYSICAL_PRESENCE_NO_ACTION) {
//
// No operation request
//
return;
}
if (!HaveValidTpmRequest(TcgPpData, &RequestConfirmed)) {
//
// Invalid operation request.
@ -1165,6 +1158,13 @@ TcgPhysicalPresenceLibProcessRequest (
DEBUG ((EFI_D_INFO, "[TPM] Flags=%x, PPRequest=%x\n", TcgPpData.Flags, TcgPpData.PPRequest));
if (TcgPpData.PPRequest == PHYSICAL_PRESENCE_NO_ACTION) {
//
// No operation request
//
return;
}
Status = GetTpmCapability (TcgProtocol, &LifetimeLock, &CmdEnable);
if (EFI_ERROR (Status)) {
return ;