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- Filter dispatch is optional, handle it when creating new filters

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svn path=/trunk/; revision=42622
This commit is contained in:
Johannes Anderwald 2009-08-11 15:22:06 +00:00
parent 15900e1f91
commit 555a242381
1 changed files with 27 additions and 12 deletions
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39
reactos/drivers/ksfilter/ks/filter.c
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@ -443,6 +443,13 @@ IKsFilter_DispatchClose(
/* free object header */
KsFreeObjectHeader(This->ObjectHeader);
}
else
{
/* complete and forget */
Irp->IoStatus.Status = Status;
/* complete irp */
IoCompleteRequest(Irp, IO_NO_INCREMENT);
}
/* done */
return Status;
@ -1085,21 +1092,29 @@ KspCreateFilter(
return Status;
}
/* now let driver initialize the filter instance */
Status = Factory->FilterDescriptor->Dispatch->Create(&This->Filter, Irp);
if (!NT_SUCCESS(Status) && Status != STATUS_PENDING)
/* does the filter have a filter dispatch */
if (Factory->FilterDescriptor->Dispatch)
{
/* driver failed to initialize */
DPRINT1("Driver: Status %x\n", Status);
/* does it have a create routine */
if (Factory->FilterDescriptor->Dispatch->Create)
{
/* now let driver initialize the filter instance */
Status = Factory->FilterDescriptor->Dispatch->Create(&This->Filter, Irp);
/* remove filter instance from filter factory */
iface->lpVtbl->RemoveFilterInstance(iface, (IKsFilter*)&This->lpVtbl);
if (!NT_SUCCESS(Status) && Status != STATUS_PENDING)
{
/* driver failed to initialize */
DPRINT1("Driver: Status %x\n", Status);
/* free filter instance */
FreeItem(This);
FreeItem(CreateItem);
return Status;
/* remove filter instance from filter factory */
iface->lpVtbl->RemoveFilterInstance(iface, (IKsFilter*)&This->lpVtbl);
/* free filter instance */
FreeItem(This);
FreeItem(CreateItem);
return Status;
}
}
}
/* now allocate the object header */