linux-kernel - Re: [PATCH AUTOSEL 5.10 21/38] accessiblity: speakup: Add missing misc_deregister in softsynth

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Date:   Sun, 12 Jun 2022 19:49:28 +0200
From:   Samuel Thibault <samuel.thibault@...-lyon.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     Pavel Machek <pavel@...x.de>, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org, Zheng Bin <zhengbin13@...wei.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        w.d.hubbs@...il.com, chris@...-brannons.com, kirk@...sers.ca,
        trix@...hat.com, salah.triki@...il.com, speakup@...ux-speakup.org
Subject: Re: [PATCH AUTOSEL 5.10 21/38] accessiblity: speakup: Add missing
 misc_deregister in softsynth_probe

Sasha Levin, le dim. 12 juin 2022 13:47:35 -0400, a ecrit:
> On Wed, Jun 08, 2022 at 11:08:30PM +0200, Pavel Machek wrote:
> > > From: Zheng Bin <zhengbin13@...wei.com>
> > > 
> > > [ Upstream commit 106101303eda8f93c65158e5d72b2cc6088ed034 ]
> > > 
> > > softsynth_probe misses a call misc_deregister() in an error path, this
> > > patch fixes that.
> > 
> > This seems incorrect. Registration failed, we can't really deregister.

The synthu_device registration failed, yes, but the patch is about
unregistering synth_device, which was registered just above (notice
synth_device != synthu_device)

Samuel