[PATCH] MdeModulePkg MemoryProfileInfo: Use PdbStringOffset to get PDB info

[Star Zeng <star.zeng@intel.com>]

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=570
Use PdbStringOffset to get PDB info, it will have no functional impact,
and will just make the code more generic.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
---
 MdeModulePkg/Application/MemoryProfileInfo/MemoryProfileInfo.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/MdeModulePkg/Application/MemoryProfileInfo/MemoryProfileInfo.c b/MdeModulePkg/Application/MemoryProfileInfo/MemoryProfileInfo.c
index 338eb8191fa2..072ae72dcd76 100644
--- a/MdeModulePkg/Application/MemoryProfileInfo/MemoryProfileInfo.c
+++ b/MdeModulePkg/Application/MemoryProfileInfo/MemoryProfileInfo.c
@@ -1,6 +1,6 @@
 /** @file
 
-  Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2014 - 2017, 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
@@ -249,8 +249,8 @@ GetDriverNameString (
   //
   // Method 1: Get the name string from image PDB
   //
-  if (DriverInfo->Header.Length > sizeof (MEMORY_PROFILE_DRIVER_INFO)) {
-    GetShortPdbFileName ((CHAR8 *) (DriverInfo + 1), mNameString);
+  if (DriverInfo->PdbStringOffset != 0) {
+    GetShortPdbFileName ((CHAR8 *) ((UINTN) DriverInfo + DriverInfo->PdbStringOffset), mNameString);
     return mNameString;
   }
 
-- 
2.7.0.windows.1