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sys: FspFsvolCreateClose, FspFsvolCleanup, FspFsvolClose

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This commit is contained in:
Bill Zissimopoulos
2015-12-08 00:06:24 -08:00
parent fa2ab4f8f7
commit 25154ca7c1
3 changed files with 39 additions and 22 deletions
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29
src/sys/close.c
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@ -60,6 +60,8 @@ static NTSTATUS FspFsvolClose(
FspFsvrtDeviceExtension(FsvrtDeviceObject);
PFILE_OBJECT FileObject = IrpSp->FileObject;
FSP_FILE_CONTEXT *FsContext = FileObject->FsContext;
UINT64 UserContext = FsContext->UserContext;
UINT64 UserContext2 = (UINT_PTR)FileObject->FsContext2;
BOOLEAN FileNameRequired = 0 != FsvrtDeviceExtension->VolumeParams.FileNameRequired;
FSP_FSCTL_TRANSACT_REQ *Request;
@ -69,11 +71,7 @@ static NTSTATUS FspFsvolClose(
/* create the user-mode file system request */
Result = FspIopCreateRequest(0, FileNameRequired ? &FsContext->FileName : 0, 0, &Request);
if (!NT_SUCCESS(Result))
{
/* IRP_MJ_CLOSE cannot really fail :-\ */
Result = STATUS_SUCCESS;
goto exit;
}
goto leak_exit;
/*
* The new request is associated with our IRP and will be deleted during its completion.
@ -81,19 +79,26 @@ static NTSTATUS FspFsvolClose(
/* populate the Close request */
Request->Kind = FspFsctlTransactCloseKind;
Request->Req.Close.UserContext = FsContext->UserContext;
Request->Req.Close.UserContext2 = (UINT_PTR)FileObject->FsContext2;
Request->Req.Close.UserContext = UserContext;
Request->Req.Close.UserContext2 = UserContext2;
/* post as a work request; this allows us to complete our own IRP and return immediately! */
if (!FspIopPostWorkRequest(DeviceObject, Request))
{
/* no need to delete the request here as FspIopPostWorkRequest() will do so in all cases */
goto leak_exit;
/* IRP_MJ_CLOSE cannot really fail :-\ */
Result = STATUS_SUCCESS;
goto exit;
}
Result = STATUS_SUCCESS;
goto exit;
leak_exit:;
#if DBG
DEBUGLOG("FileObject=%p[%p:\"%wZ\"], UserContext=%llx, UserContext2=%p: "
"error: the user-mode file system handle will be leaked!",
IrpSp->FileObject, IrpSp->FileObject->RelatedFileObject, IrpSp->FileObject->FileName,
UserContext, UserContext2);
#endif
/* IRP_MJ_CLOSE cannot really fail :-\ */
Result = STATUS_SUCCESS;
exit:;