From 1b79547a919616901a5437dd7047e2472de4946b Mon Sep 17 00:00:00 2001
From: Liming Gao <liming.gao@intel.com>
Date: Tue, 26 Dec 2017 16:34:10 +0800
Subject: [PATCH] MdeModulePkg Variable: Update Pointer Minus with UINTN type

In V2, reduce unnecessary () in the expression.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
 MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
index 77905a0a30..263221105b 100644
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
@@ -4125,7 +4125,7 @@ ConvertNormalVarStorageToAuthVarStorage (
   //
   AuthVarStorage->Format = NormalVarStorage->Format;
   AuthVarStorage->State  = NormalVarStorage->State;
-  AuthVarStorage->Size = (UINT32) (UINTN) ((UINT8 *) AuthStartPtr - (UINT8 *) AuthVarStorage);
+  AuthVarStorage->Size = (UINT32)((UINTN)AuthStartPtr - (UINTN)AuthVarStorage);
   CopyGuid (&AuthVarStorage->Signature, &gEfiAuthenticatedVariableGuid);
   ASSERT (AuthVarStorage->Size <= AuthVarStroageSize);
 
-- 
2.39.2