Get ParentDevicePath by using attribute EFI_OPEN_PROTOCOL_GET_PROTOCOL instead of BY_CHILD.

Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Ouyang Qian <qian.ouyang@intel.com>


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14313 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 2 insertions, 12 deletions

diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Driver.c b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Driver.c
index 76eac72..29a0cf7 100644
--- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Driver.c
+++ b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Driver.c
@@ -1,7 +1,7 @@
 /** @file

   Tcp driver function.

 

-Copyright (c) 2005 - 2012, Intel Corporation. All rights reserved.<BR>

+Copyright (c) 2005 - 2013, 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

@@ -607,7 +607,7 @@ Tcp4CreateSocketCallback (
                   (VOID **) &This->ParentDevicePath,

                   TcpServiceData->DriverBindingHandle,

                   This->SockHandle,

-                  EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER

+                  EFI_OPEN_PROTOCOL_GET_PROTOCOL

                   );

   if (EFI_ERROR (Status)) {

     gBS->CloseProtocol (

@@ -649,16 +649,6 @@ Tcp4DestroySocketCallback (
   RemoveEntryList (&This->Link);

 

   //

-  // Close the device path protocol

-  //

-  gBS->CloseProtocol (

-         TcpServiceData->ControllerHandle,

-         &gEfiDevicePathProtocolGuid,

-         TcpServiceData->DriverBindingHandle,

-         This->SockHandle

-         );

-

-  //

   // Close the Ip4 protocol.

   //

   gBS->CloseProtocol (