- Translate the Win32 error codes to NT ones (based on patch by David Welch, but it's not identical).
- Return STATUS_SUCCESS for some PnP IRPs to get the driver working.

reactos/drivers/video/videoprt

diff -u -r1.1.2.1 -r1.1.2.2
--- dispatch.c	14 Mar 2004 17:16:28 -0000	1.1.2.1
+++ dispatch.c	14 Mar 2004 19:43:30 -0000	1.1.2.2
@@ -18,7 +18,7 @@

  * If not, write to the Free Software Foundation,
  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  *

- * $Id: dispatch.c,v 1.1.2.1 2004/03/14 17:16:28 navaraf Exp $

+ * $Id: dispatch.c,v 1.1.2.2 2004/03/14 19:43:30 navaraf Exp $

  */
 
 #include "videoprt.h"

@@ -487,6 +487,21 @@

 
    DPRINT("- Returned status: %x\n", Irp->IoStatus.Status);
 

+   if (Irp->IoStatus.Status != STATUS_SUCCESS) 
+   { 
+      /* Map from win32 error codes to ntstatus values. */ 
+      switch (Irp->IoStatus.Status) 
+      { 
+         case ERROR_NOT_ENOUGH_MEMORY: Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES; 
+         case ERROR_MORE_DATA: Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW; 
+         case ERROR_INVALID_FUNCTION: Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED; 
+         case ERROR_INVALID_PARAMETER: Irp->IoStatus.Status = STATUS_INVALID_PARAMETER; 
+         case ERROR_INSUFFICIENT_BUFFER: Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL; 
+         case ERROR_DEV_NOT_EXIST: Irp->IoStatus.Status = STATUS_DEVICE_DOES_NOT_EXIST; 
+         case ERROR_IO_PENDING: Irp->IoStatus.Status = STATUS_PENDING; 
+      } 
+   } 
+

    IoCompleteRequest(Irp, IO_NO_INCREMENT);
 
    return STATUS_SUCCESS;

@@ -497,6 +512,17 @@

    IN PDEVICE_OBJECT DeviceObject,
    IN PIRP Irp)
 {

+   PIO_STACK_LOCATION IrpSp;
+
+   IrpSp = IoGetCurrentIrpStackLocation(Irp);
+
+   switch (IrpSp->MinorFunction)
+   {
+      case IRP_MN_START_DEVICE:
+      case IRP_MN_STOP_DEVICE:
+         return STATUS_SUCCESS;
+   }
+   

    return STATUS_NOT_IMPLEMENTED;
 }