From d9b64abbdf70e42f8e20bd372aaf9605cb20b725 Mon Sep 17 00:00:00 2001
From: Dandan Bi <dandan.bi@intel.com>
Date: Tue, 10 Jan 2017 13:17:28 +0800
Subject: [PATCH] MdeModulePkg/FileExplorer: Remove the codes of searching load
 file protocol

https://bugzilla.tianocore.org/show_bug.cgi?id=323

FileExplorer no need to search load file protocol to show files.
Now remove the codes.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
---
 .../Library/FileExplorerLib/FileExplorer.c    | 56 +------------------
 .../Library/FileExplorerLib/FileExplorer.h    |  3 +-
 .../FileExplorerLib/FileExplorerLib.inf       |  3 +-
 3 files changed, 3 insertions(+), 59 deletions(-)

diff --git a/MdeModulePkg/Library/FileExplorerLib/FileExplorer.c b/MdeModulePkg/Library/FileExplorerLib/FileExplorer.c
index 41a22aa00c..9cd366ddf4 100644
--- a/MdeModulePkg/Library/FileExplorerLib/FileExplorer.c
+++ b/MdeModulePkg/Library/FileExplorerLib/FileExplorer.c
@@ -1,7 +1,7 @@
 /** @file
 File explorer related functions.
 
-Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2004 - 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 that accompanies this distribution.
 The full text of the license may be found at
@@ -699,9 +699,7 @@ LibFindFileSystem (
   )
 {
   UINTN                        NoSimpleFsHandles;
-  UINTN                        NoLoadFileHandles;
   EFI_HANDLE                   *SimpleFsHandle;
-  EFI_HANDLE                   *LoadFileHandle;
   UINT16                       *VolumeLabel;
   UINTN                        Index;
   EFI_STATUS                   Status;
@@ -711,7 +709,6 @@ LibFindFileSystem (
   EFI_FILE_SYSTEM_VOLUME_LABEL *Info;
 
   NoSimpleFsHandles = 0;
-  NoLoadFileHandles = 0;
   OptionNumber      = 0;
 
   //
@@ -796,57 +793,6 @@ LibFindFileSystem (
     FreePool (SimpleFsHandle);
   }
 
-  //
-  // Searching for handles that support Load File protocol
-  //
-  Status = gBS->LocateHandleBuffer (
-                  ByProtocol,
-                  &gEfiLoadFileProtocolGuid,
-                  NULL,
-                  &NoLoadFileHandles,
-                  &LoadFileHandle
-                  );
-
-  if (!EFI_ERROR (Status)) {
-    for (Index = 0; Index < NoLoadFileHandles; Index++) {
-      MenuEntry = LibCreateMenuEntry ();
-      if (NULL == MenuEntry) {
-        FreePool (LoadFileHandle);
-        return EFI_OUT_OF_RESOURCES;
-      }
-
-      FileContext = (FILE_CONTEXT *) MenuEntry->VariableContext;
-      FileContext->DeviceHandle = LoadFileHandle[Index];
-      FileContext->IsRoot = TRUE;
-
-      FileContext->DevicePath = DevicePathFromHandle (FileContext->DeviceHandle);
-      FileContext->FileName = LibDevicePathToStr (FileContext->DevicePath);
-
-      MenuEntry->HelpString = LibDevicePathToStr (FileContext->DevicePath);
-      MenuEntry->DisplayString = AllocateZeroPool (MAX_CHAR);
-      ASSERT (MenuEntry->DisplayString != NULL);
-      UnicodeSPrint (
-        MenuEntry->DisplayString,
-        MAX_CHAR,
-        L"Load File [%s]",
-        MenuEntry->HelpString
-        );
-      MenuEntry->DisplayStringToken = HiiSetString (
-                                           gFileExplorerPrivate.FeHiiHandle,
-                                           0,
-                                           MenuEntry->DisplayString,
-                                           NULL
-                                           );
-
-      OptionNumber++;
-      InsertTailList (&gFileExplorerPrivate.FsOptionMenu->Head, &MenuEntry->Link);
-    }
-  }
-
-  if (NoLoadFileHandles != 0) {
-    FreePool (LoadFileHandle);
-  }
-
   gFileExplorerPrivate.FsOptionMenu->MenuNumber = OptionNumber;
 
   return EFI_SUCCESS;
diff --git a/MdeModulePkg/Library/FileExplorerLib/FileExplorer.h b/MdeModulePkg/Library/FileExplorerLib/FileExplorer.h
index fab20523ad..4b5f601b91 100644
--- a/MdeModulePkg/Library/FileExplorerLib/FileExplorer.h
+++ b/MdeModulePkg/Library/FileExplorerLib/FileExplorer.h
@@ -1,7 +1,7 @@
 /** @file
    File explorer lib.
 
-Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2015 - 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        
@@ -23,7 +23,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Protocol/DevicePath.h>
 #include <Protocol/SimpleFileSystem.h>
 #include <Protocol/DevicePathToText.h>
-#include <Protocol/LoadFile.h>
 #include <Protocol/FormBrowser2.h>
 
 #include <Library/DebugLib.h>
diff --git a/MdeModulePkg/Library/FileExplorerLib/FileExplorerLib.inf b/MdeModulePkg/Library/FileExplorerLib/FileExplorerLib.inf
index 8b4383b3b9..c292aa2e49 100644
--- a/MdeModulePkg/Library/FileExplorerLib/FileExplorerLib.inf
+++ b/MdeModulePkg/Library/FileExplorerLib/FileExplorerLib.inf
@@ -1,7 +1,7 @@
 ## @file
 #  library defines a set of interfaces for how to do file explorer.
 #  
-#  Copyright (c) 2011 - 2016, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2011 - 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 that accompanies this distribution.
 #  The full text of the license may be found at
@@ -55,7 +55,6 @@
  
 [Protocols]
   gEfiSimpleFileSystemProtocolGuid              ## CONSUMES
-  gEfiLoadFileProtocolGuid                      ## CONSUMES
   gEfiHiiConfigAccessProtocolGuid               ## CONSUMES
   gEfiFormBrowser2ProtocolGuid                  ## CONSUMES
   gEfiDevicePathToTextProtocolGuid              ## CONSUMES
-- 
2.39.2