linux-kernel - Re: [PATCH V3 1/3] driver core: Prevent warning when removing a device link from unregistered consumer

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Date:   Wed, 14 Jul 2021 20:21:32 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Adrian Hunter <adrian.hunter@...el.com>,
        "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>,
        "open list:TARGET SUBSYSTEM" <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 <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V3 1/3] driver core: Prevent warning when removing a
 device link from unregistered consumer

On Sat, Jul 10, 2021 at 5:19 PM Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> On Sat, Jul 10, 2021 at 01:38:17PM +0300, Adrian Hunter wrote:
> > sysfs_remove_link() causes a warning if the parent directory does not
> > exist. That can happen if the device link consumer has not been registered.
> > So do not attempt sysfs_remove_link() in that case.
> >
> > Fixes: 287905e68dd29 ("driver core: Expose device link details in sysfs")
> > Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
> > ---
> >  drivers/base/core.c | 6 ++++--
> >  1 file changed, 4 insertions(+), 2 deletions(-)
>
> No Cc: stable for this?  Why not?

AFAICS that would be

Cc: 5.9+ <stable@...r.kernel.org> # 5.9+