From 96756716c04c4a17296568d027abc123dfab5fa7 Mon Sep 17 00:00:00 2001
From: rsun3 <rsun3@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 9 Dec 2010 08:02:34 +0000
Subject: [PATCH] when SMM Communication Protocol.Communicate() is called from
 within SMM, SMRAM is accessible so it is not necessary to check the SMRAM
 open/lock state via SMM ACCESS Protocol.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11142 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c b/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c
index 21cd87c315..532d4f2f6f 100644
--- a/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c
+++ b/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c
@@ -454,9 +454,9 @@ SmmCommunicationCommunicate (
   }
 
   //
-  // Don't allow call SmiManage() directly when SMRAM is closed or locked.
+  // If we are not in SMM, don't allow call SmiManage() directly when SMRAM is closed or locked.
   //
-  if (!mSmmAccess->OpenState || mSmmAccess->LockState) {
+  if ((!gSmmCorePrivate->InSmm) && (!mSmmAccess->OpenState || mSmmAccess->LockState)) {
     return EFI_INVALID_PARAMETER;
   }