Re: [PATCH] usb: storage: Add ums-cros-aoa driver

[Greg KH]

On Tue, Sep 03, 2019 at 12:04:03PM +0200, Oliver Neukum wrote:
> Am Dienstag, den 03.09.2019, 11:19 +0200 schrieb Greg KH:
> > On Tue, Sep 03, 2019 at 10:46:14AM +0200, Oliver Neukum wrote:
> > > Am Montag, den 02.09.2019, 18:47 +0200 schrieb Greg KH:
> > > > 
> > > > This should work just fine today.  Add a new device id to the "new_id"
> > > > file and then tell the driver to bind.  That's pretty much the same as a
> > > > "force_bind", right?
> > > 
> > > That looks like a race condition by design to me.
> > 
> > How?
> 
> You have one of these files and potentially multiple devices
> to be bound. You need a locking scheme. As soon as the acts
> of specifying and binding are distinct.

What needs to be locked here?

totally confused,

greg k-h