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

[mirror_edk2.git] / UefiCpuPkg / CpuIo2Dxe / CpuIo2Dxe.c

diff --git a/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.c b/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.c
index 802342caaebd1396f17cdd6144a90e1c67d8571c..3d8a79923025bd74c8ec8de4d804ff9bc4d4aecf 100644 (file)
--- a/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.c
+++ b/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.c
@@ -1,7 +1,7 @@
 /** @file\r
   Produces the CPU I/O 2 Protocol.\r
 \r
-Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials                          \r
 are licensed and made available under the terms and conditions of the BSD License         \r
 which accompanies this distribution.  The full text of the license may be found at        \r
@@ -116,7 +116,7 @@ CpuIoCheckParameter (
   //\r
   // Check to see if Width is in the valid range\r
   //\r
-  if (Width < 0 || Width >= EfiCpuIoWidthMaximum) {\r
+  if ((UINT32)Width >= EfiCpuIoWidthMaximum) {\r
     return EFI_INVALID_PARAMETER;\r
   }\r
 \r