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sys: FsContext now maintains reference to its DeviceObject

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This commit is contained in:
Bill Zissimopoulos
2015-12-10 21:31:02 -08:00
parent 140e567fdc
commit de065afe8d
5 changed files with 68 additions and 60 deletions
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10
src/sys/create.c
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@ -63,14 +63,14 @@ static NTSTATUS FspFsvolCreate(
NTSTATUS Result;
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject);
PDEVICE_OBJECT FsvrtDeviceObject = FsvolDeviceExtension->FsvrtDeviceObject;
PDEVICE_OBJECT FsvrtDeviceObject = FsvolDeviceExtension->FsvrtDeviceObject;
if (!FspDeviceRetain(FsvrtDeviceObject))
return STATUS_CANCELLED;
try
{
FSP_FSVRT_DEVICE_EXTENSION *FsvrtDeviceExtension =
FspFsvrtDeviceExtension(FsvrtDeviceObject);
FSP_FSVRT_DEVICE_EXTENSION *FsvrtDeviceExtension = FspFsvrtDeviceExtension(FsvrtDeviceObject);
PFILE_OBJECT FileObject = IrpSp->FileObject;
PFILE_OBJECT RelatedFileObject = FileObject->RelatedFileObject;
UNICODE_STRING FileName = FileObject->FileName;
@ -223,7 +223,7 @@ static NTSTATUS FspFsvolCreate(
BOOLEAN AppendBackslash =
sizeof(WCHAR) * 2/* not empty or root */ <= RelatedFsContext->FileName.Length &&
sizeof(WCHAR) <= FileName.Length && L':' != FileName.Buffer[0];
Result = FspFileContextCreate(
Result = FspFileContextCreate(DeviceObject,
RelatedFsContext->FileName.Length + AppendBackslash * sizeof(WCHAR) + FileName.Length,
&FsContext);
if (!NT_SUCCESS(Result))
@ -254,7 +254,7 @@ static NTSTATUS FspFsvolCreate(
goto exit;
}
Result = FspFileContextCreate(
Result = FspFileContextCreate(DeviceObject,
FileName.Length,
&FsContext);
if (!NT_SUCCESS(Result))