Re: [PATCH 3/3] thunderbolt: Allow clearing the key

[Mika Westerberg]

On Tue, Aug 15, 2017 at 08:19:20AM +0300, Bernat, Yehezkel wrote:
> If secure authentication of a devices fails, either because the device
> already has another key uploaded, or there is some other error sending
> challenge to the device, and the user only wants to approve the device
> just once (without a new key being uploaded to the device) the current
> implementation does not allow this because the key cannot be cleared
> once set even if we allow it to be changed.
> 
> Make this scenario possible and allow clearing the key by writing
> empty string to the key sysfs file.
> 
> Signed-off-by: Yehezkel Bernat <yehezkel.bernat@xxxxxxxxx>

Acked-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>