[Patch] MdeModulePkg/TcpIoLib: Cancel TCP token if connect/accept is timeout.

[Fu Siyuan <siyuan.fu@intel.com>]

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Cc: Wu Jiaxin <jiaxin.wu@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
---
 MdeModulePkg/Library/DxeTcpIoLib/DxeTcpIoLib.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/MdeModulePkg/Library/DxeTcpIoLib/DxeTcpIoLib.c b/MdeModulePkg/Library/DxeTcpIoLib/DxeTcpIoLib.c
index 17183e1a6c..2e59b680bf 100644
--- a/MdeModulePkg/Library/DxeTcpIoLib/DxeTcpIoLib.c
+++ b/MdeModulePkg/Library/DxeTcpIoLib/DxeTcpIoLib.c
@@ -2,7 +2,7 @@
   This library is used to share code between UEFI network stack modules.
   It provides the helper routines to access TCP service.
 
-Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2010 - 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<BR>
@@ -585,6 +585,11 @@ TcpIoConnect (
   }
 
   if (!TcpIo->IsConnDone) {
+    if (TcpIo->TcpVersion == TCP_VERSION_4) {
+      Tcp4->Cancel (Tcp4, &TcpIo->ConnToken.Tcp4Token.CompletionToken);
+    } else {
+      Tcp6->Cancel (Tcp6, &TcpIo->ConnToken.Tcp6Token.CompletionToken);
+    }
     Status = EFI_TIMEOUT;
   } else {
     Status = TcpIo->ConnToken.Tcp4Token.CompletionToken.Status;
@@ -655,6 +660,11 @@ TcpIoAccept (
   }
 
   if (!TcpIo->IsListenDone) {
+    if (TcpIo->TcpVersion == TCP_VERSION_4) {
+      Tcp4->Cancel (Tcp4, &TcpIo->ListenToken.Tcp4Token.CompletionToken);
+    } else {
+      Tcp6->Cancel (Tcp6, &TcpIo->ListenToken.Tcp6Token.CompletionToken);
+    }
     Status = EFI_TIMEOUT;
   } else {
     Status = TcpIo->ListenToken.Tcp4Token.CompletionToken.Status;
-- 
2.13.0.windows.1