From 3643e8e70d3053476aeecd01b3053918f7c74b61 Mon Sep 17 00:00:00 2001
From: "Dong, Eric" <eric.dong@intel.com>
Date: Mon, 10 Oct 2016 16:36:18 +0800
Subject: [PATCH] Nt32Pkg WinNtSimpleFileSystemDxe: Correct file length.

In GetInfo interface, current code copy real file name buffer
with full path file length. It should use real file name
length. This patch fix this error.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
---
 .../WinNtSimpleFileSystem.c                   | 28 +++++++++----------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c b/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
index feef184edb..6cff2df053 100644
--- a/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
+++ b/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
@@ -1,6 +1,6 @@
 /**@file
 
-Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2016, 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
@@ -1987,8 +1987,19 @@ Returns:
   CHAR16                      *TempPointer;
 
   Size        = SIZE_OF_EFI_FILE_INFO;
-  NameSize    = StrSize (PrivateFile->FileName);
-  ResultSize  = Size + NameSize;
+
+  RealFileName  = PrivateFile->FileName;
+  TempPointer   = RealFileName;
+  while (*TempPointer) {
+    if (*TempPointer == '\\') {
+      RealFileName = TempPointer + 1;
+    }
+
+    TempPointer++;
+  }
+  NameSize = StrSize (RealFileName);
+
+  ResultSize = Size + NameSize; 
 
   Status      = EFI_BUFFER_TOO_SMALL;
   if (*BufferSize >= ResultSize) {
@@ -2056,17 +2067,6 @@ Returns:
       Info->Attribute |= EFI_FILE_DIRECTORY;
     }
 
-    RealFileName  = PrivateFile->FileName;
-    TempPointer   = RealFileName;
-
-    while (*TempPointer) {
-      if (*TempPointer == '\\') {
-        RealFileName = TempPointer + 1;
-      }
-
-      TempPointer++;
-    }
-
     if (PrivateFile->IsRootDirectory) {
       *((CHAR8 *) Buffer + Size) = 0;
     } else {
-- 
2.39.2