fix code that depends on GCC's void* pointer arithmetic extension

[reactos.git] / reactos / drivers / dd / ramdrv / ramdrv.c

diff --git a/reactos/drivers/dd/ramdrv/ramdrv.c b/reactos/drivers/dd/ramdrv/ramdrv.c
index a458e6d..52c4c6b 100644 (file)
--- a/reactos/drivers/dd/ramdrv/ramdrv.c
+++ b/reactos/drivers/dd/ramdrv/ramdrv.c
@@ -63,9 +63,9 @@ NTSTATUS STDCALL RamdrvDispatchReadWrite(PDEVICE_OBJECT DeviceObject,
     Stk->Parameters.Read.Length = devext->Size - Stk->Parameters.Read.ByteOffset.u.LowPart;
   if( Stk->MajorFunction == IRP_MJ_READ )
     RtlCopyMemory( MmGetSystemAddressForMdl( Irp->MdlAddress ),
-                  devext->Buffer + Stk->Parameters.Read.ByteOffset.u.LowPart,
+                  (PVOID)((ULONG_PTR)devext->Buffer + Stk->Parameters.Read.ByteOffset.u.LowPart),
                   Stk->Parameters.Read.Length );
-  else RtlCopyMemory( devext->Buffer + Stk->Parameters.Read.ByteOffset.u.LowPart,
+  else RtlCopyMemory( (PVOID)((ULONG_PTR)devext->Buffer + Stk->Parameters.Read.ByteOffset.u.LowPart),
                      MmGetSystemAddressForMdl( Irp->MdlAddress ),
                      Stk->Parameters.Read.Length );
   Irp->IoStatus.Status = STATUS_SUCCESS;