linux-kernel - Re: Patch "spi: Fix controller unregister order" has been added to the 4.4-stable tree

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Message-ID: <X8yotKZNLzhtxaYB@kroah.com>
Date:   Sun, 6 Dec 2020 10:47:32 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Lukas Wunner <lukas@...ner.de>
Cc:     yangerkun <yangerkun@...wei.com>, sashal@...nel.org,
        linux-kernel@...r.kernel.org, chenwenyong2@...wei.com,
        stable@...r.kernel.org, "zhangyi (F)" <yi.zhang@...wei.com>
Subject: Re: Patch "spi: Fix controller unregister order" has been added to
 the 4.4-stable tree

On Sat, Dec 05, 2020 at 06:42:07PM +0100, Lukas Wunner wrote:
> On Sat, Oct 10, 2020 at 04:41:09PM +0800, yangerkun wrote:
> > ?? 2020/6/16 9:56, Sasha Levin ????:
> > > This is a note to let you know that I've just added the patch titled
> > > 
> > >      spi: Fix controller unregister order
> > > 
> > > to the 4.4-stable tree which can be found at:
> [...]
> > > --- a/drivers/spi/spi.c
> > > +++ b/drivers/spi/spi.c
> > > @@ -1922,11 +1922,12 @@ void spi_unregister_master(struct spi_master *master)
> > >   			dev_err(&master->dev, "queue remove failed\n");
> > >   	}
> > > +	device_for_each_child(&master->dev, NULL, __unregister);
> > > +
> > 
> > This is a wrong patch. We should move this line before
> > spi_destroy_queue, but we didn't. 4.9 stable exists this
> > problem too.
> 
> Hi Sasha, Hi Greg,
> 
> below please find a patch for the 4.9-stable tree to fix the backporting
> issue reported above.

Now applied, thanks.

greg k-h