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

[mirror_edk2.git] / UefiCpuPkg / CpuIo2Smm / CpuIo2Smm.c

diff --git a/UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.c b/UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.c
index 1c172a096c858bbb58e50b0a61c962c8ce6be48e..7b1ad37515ce0452c20e48b90f15d1099c1e12c6 100644 (file)
--- a/UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.c
+++ b/UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.c
@@ -1,7 +1,7 @@
 /** @file\r
   Produces the SMM CPU I/O Protocol.\r
 \r
-Copyright (c) 2009 - 2010, 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
@@ -82,7 +82,7 @@ CpuIoCheckParameter (
   //\r
   // Check to see if Width is in the valid range\r
   //\r
-  if (Width < 0 || Width > SMM_IO_UINT64) {\r
+  if ((UINT32)Width > SMM_IO_UINT64) {\r
     return EFI_INVALID_PARAMETER;\r
   }\r
 \r