UINT8 __stdcall IopReferenceVerifyVpb(_DEVICE_OBJECT *DeviceObject, _VPB **Vpb, _DEVICE_OBJECT **FsDeviceObject){
UINT8 v4;
UINT8 v7;
_VPB *v8;
UINT8 v9;
v4 = 0;
v7 = KeAcquireQueuedSpinLock(9i64, (INT64)Vpb, (INT64)FsDeviceObject);
v8 = DeviceObject->Vpb;
v9 = v7;
*Vpb = 0i64;
*FsDeviceObject = 0i64;
if( v8 && (v8->Flags & 1) != 0 )
{
*FsDeviceObject = v8->DeviceObject;
v4 = 1;
*Vpb = v8;
IopIncrementVpbRefCount(v8, 0);
}
KeReleaseQueuedSpinLock(LockQueueIoVpbLock, v9);
return v4;
}