From 2e51b27fed31eb7b2a2cb4245806c8c7859207f7 Mon Sep 17 00:00:00 2001
From: Chandramohan Akula <chandramohan.akula@broadcom.com>
Date: Mon, 8 Mar 2021 11:02:47 +0800
Subject: [PATCH] MdePkg/UefiLib: Correct the arguments passed to
 IsLanguageSupported()

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3211

Correct the arguments passed to the IsLanguageSupported() function in
AddUnicodeString2() and LookupUnicodeString2() as expected by the function

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Signed-off-by: Chandramohan Akula <chandramohan.akula@broadcom.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
---
 MdePkg/Library/UefiLib/UefiLib.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/MdePkg/Library/UefiLib/UefiLib.c b/MdePkg/Library/UefiLib/UefiLib.c
index 835218f982..b6a33a0a48 100644
--- a/MdePkg/Library/UefiLib/UefiLib.c
+++ b/MdePkg/Library/UefiLib/UefiLib.c
@@ -839,7 +839,7 @@ LookupUnicodeString2 (
       SupportedLanguages += 3;
     }
   } else {
-    Found = !IsLanguageSupported(Language, SupportedLanguages);
+    Found = !IsLanguageSupported(SupportedLanguages, Language);
   }
 
 
@@ -1133,7 +1133,7 @@ AddUnicodeString2 (
       SupportedLanguages += 3;
     }
   } else {
-    Found = !IsLanguageSupported(Language, SupportedLanguages);
+    Found = !IsLanguageSupported(SupportedLanguages, Language);
   }
   //
   // If Language is not a member of SupportedLanguages, then return EFI_UNSUPPORTED