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sys: FspFsvolDeviceInsertContext

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This commit is contained in:
Bill Zissimopoulos 2015-12-04 16:34:25 -08:00
parent c87b8c948a
commit 1ae2b8fd38
2 changed files with 7 additions and 8 deletions
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13
src/sys/device.c
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@ -25,7 +25,7 @@ VOID FspDeviceRelease(PDEVICE_OBJECT DeviceObject);
VOID FspFsctlDeviceVolumeCreated(PDEVICE_OBJECT DeviceObject); VOID FspFsctlDeviceVolumeCreated(PDEVICE_OBJECT DeviceObject);
VOID FspFsctlDeviceVolumeDeleted(PDEVICE_OBJECT DeviceObject); VOID FspFsctlDeviceVolumeDeleted(PDEVICE_OBJECT DeviceObject);
PVOID FspFsvolDeviceLookupContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier); PVOID FspFsvolDeviceLookupContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier);
NTSTATUS FspFsvolDeviceInsertContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier, PVOID Context, PVOID FspFsvolDeviceInsertContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier, PVOID Context,
PBOOLEAN PInserted); PBOOLEAN PInserted);
VOID FspFsvolDeviceDeleteContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier, VOID FspFsvolDeviceDeleteContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier,
PBOOLEAN PDeleted); PBOOLEAN PDeleted);
@ -321,7 +321,7 @@ PVOID FspFsvolDeviceLookupContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier
return Result; return Result;
} }
NTSTATUS FspFsvolDeviceInsertContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier, PVOID Context, PVOID FspFsvolDeviceInsertContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier, PVOID Context,
PBOOLEAN PInserted) PBOOLEAN PInserted)
{ {
// !PAGED_CODE(); /* because of fast mutex use in GenericTable */ // !PAGED_CODE(); /* because of fast mutex use in GenericTable */
@ -329,17 +329,16 @@ NTSTATUS FspFsvolDeviceInsertContext(PDEVICE_OBJECT DeviceObject, UINT64 Identif
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject); FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject);
ASSERT(FspFsvolDeviceExtensionKind == FsvolDeviceExtension->Base.Kind); ASSERT(FspFsvolDeviceExtensionKind == FsvolDeviceExtension->Base.Kind);
NTSTATUS Result; FSP_DEVICE_GENERIC_TABLE_ELEMENT *Result, Element = { 0 };
FSP_DEVICE_GENERIC_TABLE_ELEMENT Element = { 0 };
Element.Identifier = Identifier; Element.Identifier = Identifier;
Element.Context = Context; Element.Context = Context;
ExAcquireFastMutex(&FsvolDeviceExtension->GenericTableFastMutex); ExAcquireFastMutex(&FsvolDeviceExtension->GenericTableFastMutex);
Result = 0 != RtlInsertElementGenericTableAvl(&FsvolDeviceExtension->GenericTable, Result = RtlInsertElementGenericTableAvl(&FsvolDeviceExtension->GenericTable,
&Element, sizeof Element, PInserted) ? STATUS_SUCCESS : STATUS_INSUFFICIENT_RESOURCES; &Element, sizeof Element, PInserted);
ExReleaseFastMutex(&FsvolDeviceExtension->GenericTableFastMutex); ExReleaseFastMutex(&FsvolDeviceExtension->GenericTableFastMutex);
return Result; return 0 != Result ? Result->Context : 0;
} }
VOID FspFsvolDeviceDeleteContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier, VOID FspFsvolDeviceDeleteContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier,

2
src/sys/driver.h
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@ -342,7 +342,7 @@ VOID FspDeviceRelease(PDEVICE_OBJECT DeviceObject);
VOID FspFsctlDeviceVolumeCreated(PDEVICE_OBJECT DeviceObject); VOID FspFsctlDeviceVolumeCreated(PDEVICE_OBJECT DeviceObject);
VOID FspFsctlDeviceVolumeDeleted(PDEVICE_OBJECT DeviceObject); VOID FspFsctlDeviceVolumeDeleted(PDEVICE_OBJECT DeviceObject);
PVOID FspFsvolDeviceLookupContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier); PVOID FspFsvolDeviceLookupContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier);
NTSTATUS FspFsvolDeviceInsertContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier, PVOID Context, PVOID FspFsvolDeviceInsertContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier, PVOID Context,
PBOOLEAN PInserted); PBOOLEAN PInserted);
VOID FspFsvolDeviceDeleteContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier, VOID FspFsvolDeviceDeleteContext(PDEVICE_OBJECT DeviceObject, UINT64 Identifier,
PBOOLEAN PDeleted); PBOOLEAN PDeleted);