SecurityPkg: Fix Tcg2 SubmitRequestToPreOSFunction() fail in second times.

[mirror_edk2.git] / SecurityPkg / Library / SmmTcg2PhysicalPresenceLib / SmmTcg2PhysicalPresenceLib.c

diff --git a/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresenceLib.c b/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresenceLib.c
index 360df720de3e1e315a788e5e293fd3766146d003..081ec6c00c55cc042491561c6a4678021fa4a6cf 100644 (file)
--- a/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresenceLib.c
+++ b/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresenceLib.c
@@ -10,7 +10,7 @@
   Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction() and Tcg2PhysicalPresenceLibGetUserConfirmationStatusFunction()\r
   will receive untrusted input and do validation.\r
 \r
-Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials \r
 are licensed and made available under the terms and conditions of the BSD License \r
 which accompanies this distribution.  The full text of the license may be found at \r
@@ -134,7 +134,8 @@ Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction (
     return TCG_PP_SUBMIT_REQUEST_TO_PREOS_NOT_IMPLEMENTED;\r
   }\r
 \r
-  if (PpData.PPRequest != OperationRequest) {\r
+  if ((PpData.PPRequest != OperationRequest) ||\r
+      (PpData.PPRequestParameter != RequestParameter)) {\r
     PpData.PPRequest = (UINT8)OperationRequest;\r
     PpData.PPRequestParameter = RequestParameter;\r
     DataSize = sizeof (EFI_TCG2_PHYSICAL_PRESENCE);\r