Re: [PATCH v4] USB: Improve usb_fill_* documentation

[Alan Stern]

On Wed, Dec 21, 2022 at 08:34:51PM +0100, Ricardo Ribalda wrote:
> Document the transfer buffer requirement. That is, the buffer must be
> DMAble - otherwise data corruption might occur.
> 
> Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
> ---
> USB: Improve usb_fill_* documentation
> 
> After trying to "cleanup" the uvc code, I was patiently explained about
> the requirements of the urb transfer buffers.
> 
> Lets make this explicit, so other developers do not make the same mistake.
> 
> To: Bagas Sanjaya <bagasdotme@xxxxxxxxx>
> To: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> To: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> To: Christoph Hellwig <hch@xxxxxx>
> To: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> To: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: linux-usb@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> ---

Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>