*(UINT32*) SsdtPtr = sizeof (*FwData);\r
SsdtPtr += 4;\r
\r
- ASSERT(SsdtPtr - Ssdt == SsdtSize);\r
- ((EFI_ACPI_DESCRIPTION_HEADER *) Ssdt)->Length = SsdtSize;\r
+ ASSERT((UINTN) (SsdtPtr - Ssdt) == SsdtSize);\r
+ ((EFI_ACPI_DESCRIPTION_HEADER *) Ssdt)->Length = (UINT32) SsdtSize;\r
Status = InstallAcpiTable (AcpiProtocol, Ssdt, SsdtSize, TableKey);\r
}\r
\r