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Date: Wed, 7 Jul 2021 19:40:39 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Adrian Hunter <adrian.hunter@...el.com>
Cc: "Rafael J . Wysocki" <rafael@...nel.org>,
Saravana Kannan <saravanak@...gle.com>,
"Martin K . Petersen" <martin.petersen@...cle.com>,
"James E . J . Bottomley" <jejb@...ux.ibm.com>,
linux-scsi@...r.kernel.org, Avri Altman <avri.altman@....com>,
Bean Huo <huobean@...il.com>, Can Guo <cang@...eaurora.org>,
Asutosh Das <asutoshd@...eaurora.org>,
Bart Van Assche <bvanassche@....org>,
linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC 0/2] driver core: Add ability to delete device links
of unregistered devices
On Wed, Jul 07, 2021 at 08:29:46PM +0300, Adrian Hunter wrote:
> Hi
>
> There is an issue with the SCSI UFS driver when the optional
> BOOT well-known LUN fails to probe, which is not a fatal error.
> The issue is that the device and its "managed" device link do not
> then get deleted. The device because the device link has a
> reference to it. The device link because it can only be deleted
> by device_del(), but device_add() was never called, so device_del()
> never will be either.
How was a link created for something that never had device_add() called
on it? Who is doing that?
thanks,
greg k-h
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