[janderwald] 59049: [HIDCLASS] - Fix double irp completion bug in hidclass - Hidclass now properly initializes and works in WinServer2003 - Tested excessively by Vic (Blame him ; ))

Author: janderwald
Date: Sun May 19 21:33:08 2013
New Revision: 59049

URL: http://svn.reactos.org/svn/reactos?rev=59049&view=rev
Log:
[HIDCLASS]
- Fix double irp completion bug in hidclass
- Hidclass now properly initializes and works in WinServer2003
- Tested excessively by Vic (Blame him ;))

Modified:
    trunk/reactos/drivers/hid/hidclass/fdo.c

Modified: trunk/reactos/drivers/hid/hidclass/fdo.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/hid/hidclass/fdo.c?...
==============================================================================
--- trunk/reactos/drivers/hid/hidclass/fdo.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/hid/hidclass/fdo.c	[iso-8859-1] Sun May 19 21:33:08 2013
@@ -182,23 +182,74 @@
     IoStack->DeviceObject = DeviceObject;

//
+    // sanity check
+    //
+    ASSERT(CommonDeviceExtension->DriverExtension->MajorFunction[IoStack->MajorFunction] != NULL);
+
+    //
+    // call minidriver (hidusb)
+    //
+    Status = CommonDeviceExtension->DriverExtension->MajorFunction[IoStack->MajorFunction](DeviceObject, Irp);
+
+    //
+    // wait for the request to finish
+    //
+    if (Status == STATUS_PENDING)
+    {
+        KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
+
+        //
+        // update status
+        //
+        Status = Irp->IoStatus.Status;
+    }
+
+    //
+    // done
+    //
+    return Status;
+}
+
+NTSTATUS
+HidClassFDO_DispatchRequest(
+    IN PDEVICE_OBJECT DeviceObject,
+    IN PIRP Irp)
+{
+    PHIDCLASS_COMMON_DEVICE_EXTENSION CommonDeviceExtension;
+    NTSTATUS Status;
+    PIO_STACK_LOCATION IoStack;
+
+    //
+    // get device extension
+    //
+    CommonDeviceExtension = DeviceObject->DeviceExtension;
+
+    ASSERT(Irp->CurrentLocation > 0);
+
+    //
+    // create stack location
+    //
+    IoSetNextIrpStackLocation(Irp);
+
+    //
+    // get next stack location
+    //
+    IoStack = IoGetCurrentIrpStackLocation(Irp);
+
+    //
+    // store device object
+    //
+    IoStack->DeviceObject = DeviceObject;
+
+    //
+    // sanity check
+    //
+    ASSERT(CommonDeviceExtension->DriverExtension->MajorFunction[IoStack->MajorFunction] != NULL);
+
+    //
     // call driver
     //
-    DPRINT("IoStack MajorFunction %x MinorFunction %x\n", IoStack->MajorFunction, IoStack->MinorFunction);
     Status = CommonDeviceExtension->DriverExtension->MajorFunction[IoStack->MajorFunction](DeviceObject, Irp);
-
-    //
-    // wait for the request to finish
-    //
-    if (Status == STATUS_PENDING)
-    {
-        KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
-
-        //
-        // update status
-        //
-        Status = Irp->IoStatus.Status;
-    }

//
     // done
@@ -620,14 +671,8 @@
             //
             // dispatch to mini driver
             //
-           IoSkipCurrentIrpStackLocation(Irp);
-           Status = HidClassFDO_DispatchRequestSynchronous(DeviceObject, Irp);
-
-           //
-           // complete request
-           //
-           Irp->IoStatus.Status = Status;
-           IoCompleteRequest(Irp, IO_NO_INCREMENT);
+           IoCopyCurrentIrpStackLocationToNext(Irp);
+           Status = HidClassFDO_DispatchRequest(DeviceObject, Irp);
            return Status;
         }
     }