From f5af77a80ff54f3c37cfb16ff5ede38a75008ea1 Mon Sep 17 00:00:00 2001
From: gdong1 <gdong1@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 26 Jul 2012 05:17:35 +0000
Subject: Fix a failure in TCG HashAll interface.

signed-off by Tao Hengyan <hengyan.tao@intel.com>
reviewed by Dong Guo <guo.dong@intel.com>
reviewed by Long Qin <qin.long@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13556 6f19259b-4bc3-4df7-8a09-765794883524
---
 SecurityPkg/Tcg/TcgDxe/TcgDxe.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'SecurityPkg')

diff --git a/SecurityPkg/Tcg/TcgDxe/TcgDxe.c b/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
index 5b8f45d83f..4b5380ba87 100644
--- a/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
+++ b/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
@@ -262,6 +262,10 @@ TcgDxeHashAll (
       }
       *HashedDataLen = sizeof (TPM_DIGEST);
 
+	  if (*HashedDataResult == NULL) {
+	  	*HashedDataResult = AllocatePool ((UINTN) *HashedDataLen);
+	  } 
+
       return TpmCommHashAll (
                HashData,
                (UINTN) HashDataLen,
-- 
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