[patch 03/12] USB: serial: keyspan_pda: Consolidate room query

[Sebastian Andrzej Siewior]

On 2020-10-14 12:14:33 [-0400], Alan Stern wrote:
> Instead, consider using the new usb_control_msg_recv() API.  But it 
> might be better to allocate the buffer once and for all.

This will still allocate and free buffer on each invocation. What about
moving the query_buf to the begin of the struct / align it?

> Alan Stern

Sebastian