[janderwald] 40598: - Forward & wait IRP_MN_START_DEVICE to lower device objects before starting the device - Fix several irp leaks and return correct status in PcForwardIrpSynchronous

Author: janderwald
Date: Mon Apr 20 02:57:21 2009
New Revision: 40598

URL: http://svn.reactos.org/svn/reactos?rev=40598&view=rev
Log:
- Forward & wait IRP_MN_START_DEVICE to lower device objects before starting the device
- Fix several irp leaks and return correct status in PcForwardIrpSynchronous

Modified:
    trunk/reactos/drivers/wdm/audio/backpln/portcls/irp.c
    trunk/reactos/drivers/wdm/audio/backpln/portcls/pin_wavecyclic.c

Modified: trunk/reactos/drivers/wdm/audio/backpln/portcls/irp.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/backpln/p...
==============================================================================
--- trunk/reactos/drivers/wdm/audio/backpln/portcls/irp.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/backpln/portcls/irp.c [iso-8859-1] Mon Apr 20 02:57:21 2009
@@ -76,24 +76,37 @@
                 return Status;
             }

-            /* Assign the resource list to our extension */
-            DeviceExt->resources = resource_list;
-
+            /* forward irp to lower device object */
+            Status = PcForwardIrpSynchronous(DeviceObject, Irp);
+
+            if (!NT_SUCCESS(Status))
+            {
+                /* lower device object failed to start */
+                resource_list->lpVtbl->Release(resource_list);
+                /* complete the request */
+                IoCompleteRequest(Irp, IO_NO_INCREMENT);
+                /* return result */
+                return Status;
+            }
+
+            /* sanity check */
             ASSERT(DeviceExt->StartDevice);
-
             /* Call the StartDevice routine */
             DPRINT("Calling StartDevice at 0x%8p\n", DeviceExt->StartDevice);
             Status = DeviceExt->StartDevice(DeviceObject, Irp, resource_list);
             if (!NT_SUCCESS(Status))
             {
                 DPRINT("StartDevice returned a failure code [0x%8x]\n", Status);
-                //resource_list->lpVtbl->Release(resource_list);
+                resource_list->lpVtbl->Release(resource_list);

Irp->IoStatus.Status = Status;
                 IoCompleteRequest(Irp, IO_NO_INCREMENT);
                 return Status;
             }

+            /* Assign the resource list to our extension */
+            DeviceExt->resources = resource_list;
+
             Irp->IoStatus.Status = STATUS_SUCCESS;
             IoCompleteRequest(Irp, IO_NO_INCREMENT);
             return Status;
@@ -112,7 +125,10 @@

case IRP_MN_QUERY_INTERFACE:
             DPRINT("IRP_MN_QUERY_INTERFACE\n");
-            return PcForwardIrpSynchronous(DeviceObject, Irp);
+            Status = PcForwardIrpSynchronous(DeviceObject, Irp);
+            Irp->IoStatus.Status = Status;
+            IoCompleteRequest(Irp, IO_NO_INCREMENT);
+            return Status;

case IRP_MN_QUERY_DEVICE_RELATIONS:
             Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
@@ -124,7 +140,10 @@
             return STATUS_SUCCESS;
        case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
             DPRINT("IRP_MN_QUERY_RESOURCE_REQUIREMENTS\n");
-            return PcForwardIrpSynchronous(DeviceObject, Irp);
+            Status = PcForwardIrpSynchronous(DeviceObject, Irp);
+            Irp->IoStatus.Status = Status;
+            IoCompleteRequest(Irp, IO_NO_INCREMENT);
+            return Status;
     }

DPRINT1("unhandled function %u\n", IoStack->MinorFunction);
@@ -282,7 +301,7 @@
     {
         /* not yet, lets wait a bit */
         KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
-        Status = STATUS_SUCCESS;
+        Status = Irp->IoStatus.Status;
     }
     return Status;
 }

Modified: trunk/reactos/drivers/wdm/audio/backpln/portcls/pin_wavecyclic.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/backpln/p...
==============================================================================
--- trunk/reactos/drivers/wdm/audio/backpln/portcls/pin_wavecyclic.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/backpln/portcls/pin_wavecyclic.c [iso-8859-1] Mon Apr 20 02:57:21 2009
@@ -691,6 +691,7 @@
             This->CloseIrp->IoStatus.Status = STATUS_SUCCESS;
             IoCompleteRequest(This->CloseIrp, IO_NO_INCREMENT);
         }
+        DPRINT1("Closing stream at Irql %u\n", KeGetCurrentIrql());
         Stream->lpVtbl->Release(Stream);
         /* this line is never reached */
     }
@@ -970,7 +971,10 @@
         DPRINT1("Failed to add pin to service group\n");
         return Status;
     }
+    This->ServiceGroup->lpVtbl->AddRef(This->ServiceGroup);
     This->ServiceGroup->lpVtbl->SupportDelayedService(This->ServiceGroup);
+    This->DmaChannel->lpVtbl->AddRef(This->DmaChannel);
+

This->State = KSSTATE_STOP;
     This->CommonBufferOffset = 0;
@@ -979,6 +983,9 @@
     This->Capture = Capture;

Status = This->Stream->lpVtbl->SetNotificationFreq(This->Stream, 10, &This->FrameSize);
+
+    This->Stream->lpVtbl->SetFormat(This->Stream, (PKSDATAFORMAT)This->Format);
+

return STATUS_SUCCESS;
 }