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- Check if allocation of work item succeeded - Thanks Ged, aicom

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- Fix leaking of a work item on close event / irp stream run out

svn path=/trunk/; revision=40375
This commit is contained in:
Johannes Anderwald 2009-04-05 16:39:51 +00:00
parent 0ae0d6a95c
commit a3e2c4bb4f
2 changed files with 45 additions and 21 deletions
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22
reactos/drivers/wdm/audio/backpln/portcls/adapter.c
View file

@ -135,6 +135,13 @@ PcAddAdapterDevice(
/* allocate create item */
portcls_ext->CreateItems = AllocateItem(NonPagedPool, MaxObjects * sizeof(KSOBJECT_CREATE_ITEM), TAG_PORTCLASS);
if (!portcls_ext->CreateItems)
{
/* not enough resources */
IoDeleteDevice(fdo);
return STATUS_INSUFFICIENT_RESOURCES;
}
/* store the physical device object */
portcls_ext->PhysicalDeviceObject = PhysicalDeviceObject;
/* set up the start device function */
@ -152,6 +159,17 @@ PcAddAdapterDevice(
/* allocate work item */
portcls_ext->WorkItem = IoAllocateWorkItem(fdo);
if (!portcls_ext->WorkItem)
{
/* not enough resources */
FreeItem(portcls_ext->CreateItems, TAG_PORTCLASS);
/* delete created fdo */
IoDeleteDevice(fdo);
/* return error code */
return STATUS_INSUFFICIENT_RESOURCES;
}
/* allocate the device header */
status = KsAllocateDeviceHeader(&portcls_ext->KsDeviceHeader, MaxObjects, portcls_ext->CreateItems);
/* did we succeed */
@ -159,6 +177,8 @@ PcAddAdapterDevice(
{
/* free previously allocated create items */
FreeItem(portcls_ext->CreateItems, TAG_PORTCLASS);
/* free allocated work item */
IoFreeWorkItem(portcls_ext->WorkItem);
/* delete created fdo */
IoDeleteDevice(fdo);
/* return error code */
@ -180,6 +200,8 @@ PcAddAdapterDevice(
KsFreeDeviceHeader(portcls_ext->KsDeviceHeader);
/* free previously allocated create items */
FreeItem(portcls_ext->CreateItems, TAG_PORTCLASS);
/* free allocated work item */
IoFreeWorkItem(portcls_ext->WorkItem);
/* delete created fdo */
IoDeleteDevice(fdo);
/* return error code */

44
reactos/drivers/wdm/audio/backpln/portcls/pin_wavecyclic.c
View file

@ -215,21 +215,21 @@ StopStreamRoutine(
IN PVOID SystemArgument1,
IN PVOID SystemArgument2)
{
PDEVICE_OBJECT DeviceObject;
PPCLASS_DEVICE_EXTENSION DeviceExtension;
IPortPinWaveCyclicImpl * This = (IPortPinWaveCyclicImpl*)DeferredContext;
PIO_WORKITEM WorkItem;
if (This->IrpQueue->lpVtbl->NumMappings(This->IrpQueue))
return;
WorkItem = IoAllocateWorkItem(GetDeviceObject(This->Port));
if (!WorkItem)
return;
IoQueueWorkItem(WorkItem, StopStreamWorkerRoutine, DelayedWorkQueue, (PVOID)This);
/* Get device object */
DeviceObject = GetDeviceObject(This->Port);
/* Get device extension */
DeviceExtension = (PPCLASS_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
/* queue the work item */
IoQueueWorkItem(DeviceExtension->WorkItem, StopStreamWorkerRoutine, DelayedWorkQueue, (PVOID)This);
}
static
VOID
NTAPI
@ -249,7 +249,6 @@ IServiceSink_fnRequestService(
return;
}
Status = This->Stream->lpVtbl->GetPosition(This->Stream, &Position);
DPRINT("Position %u Buffer %p BufferSize %u ActiveIrpOffset %u\n", Position, Buffer, This->CommonBufferSize, BufferSize);
@ -692,23 +691,26 @@ IPortPinWaveCyclic_fnClose(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PIO_WORKITEM WorkItem;
PPCLASS_DEVICE_EXTENSION DeviceExtension;
IPortPinWaveCyclicImpl * This = (IPortPinWaveCyclicImpl*)iface;
if (This->Stream)
{
WorkItem = IoAllocateWorkItem(DeviceObject);
if (WorkItem)
if (Irp)
{
if (Irp)
{
This->CloseIrp = Irp;
IoMarkIrpPending(Irp);
Irp->IoStatus.Information = 0;
Irp->IoStatus.Status = STATUS_PENDING;
}
IoQueueWorkItem(WorkItem, CloseStreamRoutine, DelayedWorkQueue, (PVOID)This);
This->CloseIrp = Irp;
IoMarkIrpPending(Irp);
Irp->IoStatus.Information = 0;
Irp->IoStatus.Status = STATUS_PENDING;
}
/* Get device extension */
DeviceExtension = (PPCLASS_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
/* defer work item */
IoQueueWorkItem(DeviceExtension->WorkItem, CloseStreamRoutine, DelayedWorkQueue, (PVOID)This);
if (Irp)
{
/* The WaveCyclic filter passes close request with NULL / IRP */
return STATUS_PENDING;
}
}