linux-kernel - Re: [PATCH] USB:UAS:return ENODEV when submit urbs fail with device not attached.

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Date: Tue, 27 Feb 2024 10:05:05 +0100
From: Oliver Neukum <oneukum@...e.com>
To: "WeitaoWang-oc@...oxin.com" <WeitaoWang-oc@...oxin.com>,
 Oliver Neukum <oneukum@...e.com>, stern@...land.harvard.edu,
 gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
 usb-storage@...ts.one-eyed-alien.net
Cc: WeitaoWang@...oxin.com
Subject: Re: [PATCH] USB:UAS:return ENODEV when submit urbs fail with device
 not attached.

On 22.02.24 21:06, WeitaoWang-oc@...oxin.com wrote:

> Maybe, my description was not accurate enough, here not add new return
> value to scsi layer,it just add a case to tell device is gone in the uas
> driver internal and the ENODEV error code not return to scsi layer.
> Here just notify SCSI layer of device loss through flag DID_NO_CONNECT.
> This is also hope to fix this issue in the uas driver internal.

Hi,

sorry for the delay. OK, I see what you are aiming at. Could you redo
the patch with a better description, like:

We need to translate -ENODEV to DID_NOT_CONNECT for the SCSI layer.

	Regards
		Oliver