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

[mirror_edk2.git] / DuetPkg / PciRootBridgeNoEnumerationDxe / Ia32 / PcatIo.c

diff --git a/DuetPkg/PciRootBridgeNoEnumerationDxe/Ia32/PcatIo.c b/DuetPkg/PciRootBridgeNoEnumerationDxe/Ia32/PcatIo.c
index fbfc2fadef5c3e586a94353c205c959b6e6cfc38..d479e7f9fcce85c5f5b49a75a3cb17fa687fa89e 100644 (file)
--- a/DuetPkg/PciRootBridgeNoEnumerationDxe/Ia32/PcatIo.c
+++ b/DuetPkg/PciRootBridgeNoEnumerationDxe/Ia32/PcatIo.c
@@ -102,7 +102,7 @@ PcatRootBridgeIoPciRW (
   UINT64                            PciExpressRegAddr;\r
   BOOLEAN                           UsePciExpressAccess;\r
 \r
-  if (Width < 0 || Width >= EfiPciWidthMaximum) {\r
+  if ((UINT32)Width >= EfiPciWidthMaximum) {\r
     return EFI_INVALID_PARAMETER;\r
   }\r
   \r