From 533020ef8061171713edfcb1e28eac63876c9937 Mon Sep 17 00:00:00 2001
From: eric_tian <eric_tian@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 19 Mar 2009 03:13:08 +0000
Subject: [PATCH] close notify event to avoid variable architectural protocol
 to be installed twice or more.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7904 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
index 7a69a223c4..fdaad2017e 100644
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
@@ -2087,6 +2087,12 @@ FvbNotificationEvent (
 
   FreePool (HandleBuffer);
   if (!EFI_ERROR (Status) && Fvb != NULL) {
+    //
+    // Close the notify event to avoid install gEfiVariableArchProtocolGuid & gEfiVariableWriteArchProtocolGuid again.
+    //
+    Status = gBS->CloseEvent (Event);	
+    ASSERT_EFI_ERROR (Status);
+
     Status = VariableCommonInitialize (Fvb);
     ASSERT_EFI_ERROR (Status);