From 640dfdc31da71ed374544d38208a62fdb38ccda0 Mon Sep 17 00:00:00 2001
From: lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Mon, 14 Mar 2011 10:25:29 +0000
Subject: [PATCH] Roll back change to previous version. Language should be
 compared as the exact match.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11398 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Universal/HiiDatabaseDxe/String.c | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/MdeModulePkg/Universal/HiiDatabaseDxe/String.c b/MdeModulePkg/Universal/HiiDatabaseDxe/String.c
index d0d13f1de7..eeac9c2087 100644
--- a/MdeModulePkg/Universal/HiiDatabaseDxe/String.c
+++ b/MdeModulePkg/Universal/HiiDatabaseDxe/String.c
@@ -1973,18 +1973,5 @@ HiiCompareLanguage (
   // When languages are exactly same, they will be identical. 
   //
   Language2Len = AsciiStrLen (Language2);
-  if (AsciiStrnCmp (Language2, Language1, Language2Len) == 0) {
-    return TRUE;
-  }
-  
-  //
-  // When Language1 is the sub tag of Language2, they will also be regarded as identical.
-  // This is added to support current Shell. Shell string package uses "en" as language name. 
-  // But, it may use platform language "en-US" to get string value.
-  //
-  if (AsciiStrStr (Language2, Language1) == Language2) {
-    return TRUE;
-  }
-  
-  return FALSE;
+  return  (BOOLEAN) (AsciiStrnCmp (Language1, Language2, Language2Len) == 0);
 }