MdeModulePkg Variable: Update Pointer Minus with UINTN type

[mirror_edk2.git] / MdeModulePkg / Universal / Variable / RuntimeDxe / Variable.c

diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
index 77905a0a308086d3b7dc8acebc723dcaae159b4d..263221105bac2d788b4dd51f9894ec25c8c8862d 100644 (file)
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
@@ -4125,7 +4125,7 @@ ConvertNormalVarStorageToAuthVarStorage (
   //\r
   AuthVarStorage->Format = NormalVarStorage->Format;\r
   AuthVarStorage->State  = NormalVarStorage->State;\r
-  AuthVarStorage->Size = (UINT32) (UINTN) ((UINT8 *) AuthStartPtr - (UINT8 *) AuthVarStorage);\r
+  AuthVarStorage->Size = (UINT32)((UINTN)AuthStartPtr - (UINTN)AuthVarStorage);\r
   CopyGuid (&AuthVarStorage->Signature, &gEfiAuthenticatedVariableGuid);\r
   ASSERT (AuthVarStorage->Size <= AuthVarStroageSize);\r
 \r