From 7223f11d4ad9c078a15909b72270352b3f41c5bc Mon Sep 17 00:00:00 2001 From: Jacek Caban Date: Fri, 3 May 2019 15:41:18 +0200 Subject: [PATCH] ntoskrnl.exe: Don't keep reference to driver created file objects on client side. Server keeps instead. Signed-off-by: Jacek Caban Signed-off-by: Alexandre Julliard --- dlls/ntoskrnl.exe/ntoskrnl.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c index bfc8d27f684..cf5cde9a826 100644 --- a/dlls/ntoskrnl.exe/ntoskrnl.c +++ b/dlls/ntoskrnl.exe/ntoskrnl.c @@ -551,7 +551,6 @@ static void *create_file_object( HANDLE handle ) /* transfer result of IRP back to wineserver */ static NTSTATUS WINAPI dispatch_irp_completion( DEVICE_OBJECT *device, IRP *irp, void *context ) { - FILE_OBJECT *file = irp->Tail.Overlay.OriginalFileObject; HANDLE irp_handle = context; void *out_buff = irp->UserBuffer; @@ -571,12 +570,6 @@ static NTSTATUS WINAPI dispatch_irp_completion( DEVICE_OBJECT *device, IRP *irp, } SERVER_END_REQ; - if (irp->Flags & IRP_CLOSE_OPERATION) - { - ObDereferenceObject( file ); - irp->Tail.Overlay.OriginalFileObject = NULL; - } - if (irp->UserBuffer != irp->AssociatedIrp.SystemBuffer) { HeapFree( GetProcessHeap(), 0, irp->UserBuffer ); @@ -618,7 +611,6 @@ static NTSTATUS dispatch_create( const irp_params_t *params, void *in_buff, ULON if (!(irp = IoAllocateIrp( device->StackSize, FALSE ))) return STATUS_NO_MEMORY; - ObReferenceObject( file ); irpsp = IoGetNextIrpStackLocation( irp ); irpsp->MajorFunction = IRP_MJ_CREATE; irpsp->FileObject = file;