Code cleanup for library instances in MdePkg.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5856 6f19259b-4bc3-4df7-8a09-765794883524

2 files changed, 9 insertions, 11 deletions

diff --git a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.c b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.c
index 83372e86d4..91d77f5fcb 100644
--- a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.c
+++ b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.c
@@ -77,7 +77,7 @@ GetDevicePathSize (
   //

   // Compute the size and add back in the size of the end device path structure

   //

-  return ((UINTN) DevicePath - (UINTN) Start) + sizeof (EFI_DEVICE_PATH_PROTOCOL);

+  return ((UINTN) DevicePath - (UINTN) Start) + EfiDevicePathNodeLength (DevicePath);

 }

 

 /**

@@ -99,7 +99,6 @@ DuplicateDevicePath (
   IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath

   )

 {

-  EFI_DEVICE_PATH_PROTOCOL  *NewDevicePath;

   UINTN                     Size;

 

   //

@@ -113,9 +112,8 @@ DuplicateDevicePath (
   //

   // Allocate space for duplicate device path

   //

-  NewDevicePath = AllocateCopyPool (Size, DevicePath);

 

-  return NewDevicePath;

+  return AllocateCopyPool (Size, DevicePath);

 }

 

 /**

@@ -168,7 +166,7 @@ AppendDevicePath (
   //

   Size1         = GetDevicePathSize (FirstDevicePath);

   Size2         = GetDevicePathSize (SecondDevicePath);

-  Size          = Size1 + Size2 - sizeof (EFI_DEVICE_PATH_PROTOCOL);

+  Size          = Size1 + Size2 - EFI_END_DEVICE_PATH_LENGTH;

 

   NewDevicePath = AllocatePool (Size);

 

@@ -178,7 +176,7 @@ AppendDevicePath (
     // Over write FirstDevicePath EndNode and do the copy

     //

     DevicePath2 = (EFI_DEVICE_PATH_PROTOCOL *) ((CHAR8 *) NewDevicePath +

-                  (Size1 - sizeof (EFI_DEVICE_PATH_PROTOCOL)));

+                  (Size1 - EFI_END_DEVICE_PATH_LENGTH));

     CopyMem (DevicePath2, SecondDevicePath, Size2);

   }

 

@@ -226,7 +224,7 @@ AppendDevicePathNode (
   //

   NodeLength = DevicePathNodeLength (DevicePathNode);

 

-  TempDevicePath = AllocatePool (NodeLength + sizeof (EFI_DEVICE_PATH_PROTOCOL));

+  TempDevicePath = AllocatePool (NodeLength + EFI_END_DEVICE_PATH_LENGTH);

   if (TempDevicePath == NULL) {

     return NULL;

   }

@@ -398,7 +396,7 @@ GetNextDevicePathInstance (
   @param  NodeSubType                The device node sub-type for the new device node.

   @param  NodeLength                 The length of the new device node.

 

-  @return The new device path.

+  @return A pointer to the new create device path.

 

 **/

 EFI_DEVICE_PATH_PROTOCOL *

@@ -510,7 +508,7 @@ DevicePathFromHandle (
                                      may be NULL.

   @param  FileName                   A pointer to a Null-terminated Unicode string.

 

-  @return The allocated device path.

+  @return A pointer to the new created file device path.

 

 **/

 EFI_DEVICE_PATH_PROTOCOL *

diff --git a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
index f0cd5e2e34..2ec381d262 100644
--- a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
+++ b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
@@ -1,7 +1,7 @@
 #/** @file

-# Component description file for the entry point to a EFIDXE Drivers

+# Library instance implement the library class UefiDevicePathLib defined in Mde

+# library specification.

 #

-# Library to abstract Framework extensions that conflict with UEFI 2.0 Specification

 # Copyright (c) 2007, Intel Corporation

 #

 #  All rights reserved. This program and the accompanying materials