From 20258293aa75100109c684e8f2d2dd60a3a804c3 Mon Sep 17 00:00:00 2001
From: ydong10 <ydong10@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 27 Oct 2011 01:10:18 +0000
Subject: [PATCH] Initialize the parameter mUnicodeCollation before use it to
 avoid system hang. Signed-off-by: ydong10 Reviewed-by: lgao4

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12577 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Universal/SetupBrowserDxe/Expression.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c b/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
index 60a23f1822..aba565ca64 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
@@ -2409,6 +2409,11 @@ EvaluateExpression (
       break;
 
     case EFI_IFR_MATCH_OP:
+      Status = InitializeUnicodeCollationProtocol ();
+      if (EFI_ERROR (Status)) {
+        goto Done;
+      }
+     
       Status = IfrMatch (FormSet, Value);
       break;
 
-- 
2.39.5