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

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

diff --git a/UefiCpuPkg/CpuIoPei/CpuIoPei.c b/UefiCpuPkg/CpuIoPei/CpuIoPei.c
index 67b79053935710f1c2deb2a403cc45bfc5b0cceb..3c5c8a74b3a684f451dcf9bf7aba230a4c8bd874 100644 (file)
--- a/UefiCpuPkg/CpuIoPei/CpuIoPei.c
+++ b/UefiCpuPkg/CpuIoPei/CpuIoPei.c
@@ -1,7 +1,7 @@
 /** @file\r
   Produces the CPU I/O PPI.\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
@@ -127,7 +127,7 @@ CpuIoCheckParameter (
   //\r
   // Check to see if Width is in the valid range\r
   //\r
-  if (Width < 0 || Width >= EfiPeiCpuIoWidthMaximum) {\r
+  if ((UINT32)Width >= EfiPeiCpuIoWidthMaximum) {\r
     return EFI_INVALID_PARAMETER;\r
   }\r
 \r