reactos/drivers/usb/cromwell/usbuhci/create.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS UHCI controller driver (Cromwell type)
   4  * FILE:            drivers/usb/cromwell/uhci/create.c
   5  * PURPOSE:         IRP_MJ_CREATE operations
   6  *
   7  * PROGRAMMERS:     Hervé Poussineau (hpoussin@reactos.com)
   8  */
   9
  10 #define NDEBUG
  11 #include "uhci.h"
  12
  13 NTSTATUS STDCALL
  14 UhciCreate(
  15         IN PDEVICE_OBJECT DeviceObject,
  16         IN PIRP Irp)
  17 {
  18         PIO_STACK_LOCATION Stack;
  19         POHCI_DEVICE_EXTENSION DeviceExtension;
  20         NTSTATUS Status;
  21
  22         DPRINT("UHCI: IRP_MJ_CREATE\n");
  23         Stack = IoGetCurrentIrpStackLocation(Irp);
  24         DeviceExtension = (POHCI_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
  25
  26         if (Stack->Parameters.Create.Options & FILE_DIRECTORY_FILE)
  27         {
  28                 CHECKPOINT;
  29                 Status = STATUS_NOT_A_DIRECTORY;
  30                 goto ByeBye;
  31         }
  32
  33         InterlockedIncrement((PLONG)&DeviceExtension->DeviceOpened);
  34         Status = STATUS_SUCCESS;
  35
  36 ByeBye:
  37         Irp->IoStatus.Status = Status;
  38         Irp->IoStatus.Information = 0;
  39         IoCompleteRequest(Irp, IO_NO_INCREMENT);
  40         return Status;
  41 }