X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=DuetPkg%2FPciRootBridgeNoEnumerationDxe%2FIa32%2FPcatIo.c;fp=DuetPkg%2FPciRootBridgeNoEnumerationDxe%2FIa32%2FPcatIo.c;h=d479e7f9fcce85c5f5b49a75a3cb17fa687fa89e;hb=3d78c020d22023d35d27b48817d73ff31a361ac7;hp=fbfc2fadef5c3e586a94353c205c959b6e6cfc38;hpb=055c829c4212f12614ad80dcd161a2b4f5cf6713;p=mirror_edk2.git

diff --git a/DuetPkg/PciRootBridgeNoEnumerationDxe/Ia32/PcatIo.c b/DuetPkg/PciRootBridgeNoEnumerationDxe/Ia32/PcatIo.c
index fbfc2fadef..d479e7f9fc 100644
--- a/DuetPkg/PciRootBridgeNoEnumerationDxe/Ia32/PcatIo.c
+++ b/DuetPkg/PciRootBridgeNoEnumerationDxe/Ia32/PcatIo.c
@@ -102,7 +102,7 @@ PcatRootBridgeIoPciRW (
   UINT64                            PciExpressRegAddr;
   BOOLEAN                           UsePciExpressAccess;
 
-  if (Width < 0 || Width >= EfiPciWidthMaximum) {
+  if ((UINT32)Width >= EfiPciWidthMaximum) {
     return EFI_INVALID_PARAMETER;
   }