Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-07-12 07:35:10 +00:00
Code Issues Packages Projects Releases Wiki Activity

- Store DeviceObject before calling IMiniportWaveCyclic as the driver might immediately call port functions

Browse source 
- Pass the PhysicalDeviceObject to IoGetDmaAdapter

svn path=/trunk/; revision=38857
This commit is contained in:
Johannes Anderwald 2009-01-17 22:22:09 +00:00
parent 51d20d699d
commit f781b11878
2 changed files with 27 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
reactos/drivers/wdm/audio/backpln/portcls/dma_slave.c
View file

@ -484,15 +484,20 @@ PcNewDmaChannel(
ULONG MapRegisters;
INTERFACE_TYPE BusType;
ULONG ResultLength;
PCExtension* DeviceExt;
IDmaChannelSlaveImpl * This;
DPRINT1("OutDmaChannel %p OuterUnknown %p PoolType %p DeviceDescription %p DeviceObject %p\n",
OutDmaChannel, OuterUnknown, PoolType, DeviceDescription, DeviceObject);
This = AllocateItem(PoolType, sizeof(IDmaChannelSlaveImpl), TAG_PORTCLASS);
if (!This)
{
return STATUS_INSUFFICIENT_RESOURCES;
}
DeviceExt = (PCExtension*) DeviceObject->DeviceExtension;
Status = IoGetDeviceProperty(DeviceObject, DevicePropertyLegacyBusType, sizeof(BusType), (PVOID)&BusType, &ResultLength);
if (NT_SUCCESS(Status))
@ -500,7 +505,9 @@ PcNewDmaChannel(
DeviceDescription->InterfaceType = BusType;
}
Adapter = IoGetDmaAdapter(DeviceObject, DeviceDescription, &MapRegisters);
DPRINT1("Calling IoGetDmaAdapter\n");
Adapter = IoGetDmaAdapter(DeviceExt->PhysicalDeviceObject, DeviceDescription, &MapRegisters);
if (!Adapter)
{
FreeItem(This, TAG_PORTCLASS);
@ -516,7 +523,7 @@ PcNewDmaChannel(
This->MaxMapRegisters = MapRegisters;
*OutDmaChannel = (PVOID)(&This->lpVtbl);
DPRINT1("PcNewDmaChannel result %p\n", *OutDmaChannel);
return STATUS_SUCCESS;
}

30
reactos/drivers/wdm/audio/backpln/portcls/port_wavecyclic.c
View file

@ -139,6 +139,8 @@ IPortWaveCyclic_fnInit(
PPOWERNOTIFY PowerNotify;
IPortWaveCyclicImpl * This = (IPortWaveCyclicImpl*)iface;
DPRINT1("IPortWaveCyclic_Init entered\n");
if (This->bInitialized)
{
DPRINT("IPortWaveCyclic_Init called again\n");
@ -152,11 +154,21 @@ IPortWaveCyclic_fnInit(
return STATUS_INVALID_PARAMETER;
}
/* Initialize port object */
This->pMiniport = Miniport;
This->pDeviceObject = DeviceObject;
This->bInitialized = TRUE;
This->pResourceList = ResourceList;
/* increment reference on miniport adapter */
Miniport->lpVtbl->AddRef(Miniport);
Status = Miniport->lpVtbl->Init(Miniport, UnknownAdapter, ResourceList, iface);
if (!NT_SUCCESS(Status))
{
DPRINT("IMiniportWaveCyclic_Init failed with %x\n", Status);
Miniport->lpVtbl->Release(Miniport);
This->bInitialized = FALSE;
return Status;
}
@ -172,6 +184,7 @@ IPortWaveCyclic_fnInit(
Status = Miniport->lpVtbl->GetDescription(Miniport, &This->pDescriptor);
if (!NT_SUCCESS(Status))
{
DPRINT1("failed to get description\n");
Miniport->lpVtbl->Release(Miniport);
return Status;
}
@ -188,18 +201,11 @@ IPortWaveCyclic_fnInit(
This->pPowerNotify = NULL;
}
/* Initialize port object */
This->pMiniport = Miniport;
This->pDeviceObject = DeviceObject;
This->bInitialized = TRUE;
This->pResourceList = ResourceList;
/* increment reference on miniport adapter */
Miniport->lpVtbl->AddRef(Miniport);
/* increment reference on resource list */
ResourceList->lpVtbl->AddRef(ResourceList);
DPRINT1("IPortWaveCyclic successfully initialized\n");
return STATUS_SUCCESS;
}
@ -314,7 +320,7 @@ IPortWaveCyclic_fnNotify(
ServiceGroup->lpVtbl->RequestService (ServiceGroup);
}
static const IPortWaveCyclicVtbl vt_IPortWaveCyclicVtbl =
static IPortWaveCyclicVtbl vt_IPortWaveCyclicVtbl =
{
IPortWaveCyclic_fnQueryInterface,
IPortWaveCyclic_fnAddRef,
@ -506,8 +512,8 @@ NewPortWaveCyclic(
if (!This)
return STATUS_INSUFFICIENT_RESOURCES;
This->lpVtbl = (IPortWaveCyclicVtbl*)&vt_IPortWaveCyclicVtbl;
This->lpVtblSubDevice = (ISubdeviceVtbl*)&vt_ISubdeviceVtbl;
This->lpVtbl = &vt_IPortWaveCyclicVtbl;
This->lpVtblSubDevice = &vt_ISubdeviceVtbl;
This->ref = 1;
*OutPort = (PPORT)(&This->lpVtbl);