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sys: IRP_MJ_CREATE

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This commit is contained in:
Bill Zissimopoulos
2016-01-07 21:54:18 -08:00
parent a382db8b01
commit 8c7f790805
4 changed files with 18 additions and 24 deletions
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17
src/sys/create.c
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@ -86,6 +86,7 @@ static NTSTATUS FspFsvolCreate(
if ((0 == RelatedFileObject || RelatedFileObject->FsContext) && 0 == FileName.Length)
{
if (0 != FsvolDeviceExtension->FsvrtDeviceObject)
#pragma prefast(disable:28175, "We are a filesystem: ok to access Vpb")
FileObject->Vpb = FsvolDeviceExtension->FsvrtDeviceObject->Vpb;
Irp->IoStatus.Information = FILE_OPENED;
@ -242,7 +243,7 @@ static NTSTATUS FspFsvolCreate(
FspFsvolCreateRequestFini, &Request);
if (!NT_SUCCESS(Result))
{
FspFileContextDelete(FsContext);
FspFileContextRelease(FsContext);
return Result;
}
@ -374,6 +375,7 @@ VOID FspFsvolCreateComplete(
PFILE_OBJECT FileObject = IrpSp->FileObject;
FSP_FSCTL_TRANSACT_REQ *Request = FspIrpRequest(Irp);
FSP_FILE_CONTEXT *FsContext = FspIopRequestContext(Request, RequestFsContext);
FSP_FILE_CONTEXT *OpenedFsContext;
UNICODE_STRING ReparseFileName;
BOOLEAN DeleteOnClose;
@ -451,6 +453,7 @@ VOID FspFsvolCreateComplete(
/* set up the FileObject */
if (0 != FsvolDeviceExtension->FsvrtDeviceObject)
#pragma prefast(disable:28175, "We are a filesystem: ok to access Vpb")
FileObject->Vpb = FsvolDeviceExtension->FsvrtDeviceObject->Vpb;
FileObject->SectionObjectPointer = &FsContext->NonPaged->SectionObjectPointers;
FileObject->PrivateCacheMap = 0;
@ -460,11 +463,10 @@ VOID FspFsvolCreateComplete(
DeleteOnClose = BooleanFlagOn(Request->Req.Create.CreateOptions, FILE_DELETE_ON_CLOSE);
/* open the FsContext */
FsContext = FspFileContextOpen(FsContext, FileObject,
OpenedFsContext = FspFileContextOpen(FsContext, FileObject,
Response->Rsp.Create.Opened.GrantedAccess, IrpSp->Parameters.Create.ShareAccess,
&Result);
FspIopRequestContext(Request, RequestFsContext) = FsContext;
if (0 == FsContext)
if (0 == OpenedFsContext)
{
/* unable to open the FsContext; post a close Create2 request */
FspFsvolCreatePostClose(FsvolDeviceObject,
@ -473,9 +475,16 @@ VOID FspFsvolCreateComplete(
Response->Rsp.Create.Opened.UserContext2,
Result);
FspFileContextRelease(FsContext);
FSP_RETURN();
}
if (OpenedFsContext != FsContext)
FspFileContextRelease(FsContext);
FspIopRequestContext(Request, RequestFsContext) = FsContext = OpenedFsContext;
if (FILE_OPENED == Response->IoStatus.Information)
{
/*