Re: [PATCH v2] usb: uas: quiesce SCSI before stopping endpoints on unbind

[Oliver Neukum]

On 02.10.26 14:51, Michal Pecio wrote:
> On Wed, 30 Sep 2026 09:22:49 +0200, Oliver Neukum wrote:
> > > When URB submission or completion returns -ENODEV or -ESHUTDOWN,
> > > it marks the transport dead, stops further submissions, clears
> >
> > Why this specific trigger?
> > I am asking because -ENODEV comes relatively late in the process.
> > URBs tend to fail long before that.
>
> But it's sufficient, right? Apparently all we need is to detect
> USB disconnection before disconnect() runs. This will do.

I am not sure you will necessarily see anything fail with
ENODEV

> But UAS driver infamously has no URB error handling; if anything
> goes wrong it just waits for SCSI core to abort the command. Not
> sure why things are this way.

Good question.

	Regards
		Oliver