Re: [PATCH v3 0/3] MR4243: rtworkq: free cancelled work items

[Nikolay Sivov (＠nsivov)]

Nikolay Sivov (@nsivov) commented about dlls/rtworkq/queue.c:
>  return S_OK;
>
> }
>
> -static HRESULT queue_cancel_item(struct queue *queue, RTWQWORKITEM_KEY key)
> +static HRESULT queue_cancel_item(struct queue *queue, const RTWQWORKITEM_KEY key)

What's the purpose of this 'const'?