Fix comparisons of enumerated types which may cause warnings for some compilers.

[mirror_edk2.git] / EmulatorPkg / EmuGopDxe / GopScreen.c

diff --git a/EmulatorPkg/EmuGopDxe/GopScreen.c b/EmulatorPkg/EmuGopDxe/GopScreen.c
index 34ee6a5d523cc529fa2a85768b9d95554dfab8f8..aa21fa68def6c043d6316970ba965b22834330be 100644 (file)
--- a/EmulatorPkg/EmuGopDxe/GopScreen.c
+++ b/EmulatorPkg/EmuGopDxe/GopScreen.c
@@ -1,6 +1,6 @@
 /*++ @file
 
-Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
 Portions copyright (c) 2010 - 2011, Apple Inc. All rights reserved.
 This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
@@ -208,7 +208,7 @@ EmuGopBlt (
 
   Private = GOP_PRIVATE_DATA_FROM_THIS (This);
 
-  if ((BltOperation < 0) || (BltOperation >= EfiGraphicsOutputBltOperationMax)) {
+  if ((UINT32)BltOperation >= EfiGraphicsOutputBltOperationMax) {
     return EFI_INVALID_PARAMETER;
   }