linux-kernel - Re: [PATCH V4 1/3] thermal: core: call put_device() only after device

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Message-ID: <CAJZ5v0jBhbWasCd0qdZb0Ah=5obLzOUxWQwz9J9=mZ+pVFfxRg@mail.gmail.com>
Date:   Thu, 19 Jan 2023 21:09:12 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Yang Yingliang <yangyingliang@...wei.com>,
        linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Caleb Connolly <caleb.connolly@...aro.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V4 1/3] thermal: core: call put_device() only after
 device_register() fails

On Thu, Jan 19, 2023 at 6:16 AM Viresh Kumar <viresh.kumar@...aro.org> wrote:
>
> On 18-01-23, 20:58, Rafael J. Wysocki wrote:
> > On Wed, Jan 18, 2023 at 9:38 AM Viresh Kumar <viresh.kumar@...aro.org> wrote:
> > >
> > > put_device() shouldn't be called before a prior call to
> > > device_register(). __thermal_cooling_device_register() doesn't follow
> > > that properly and needs fixing. Also
> > > thermal_cooling_device_destroy_sysfs() is getting called unnecessarily
> > > on few error paths.
> > >
> > > Fix all this by placing the calls at the right place.
> > >
> > > Based on initial work done by Caleb Connolly.
> > >
> > > Fixes: 4748f9687caa ("thermal: core: fix some possible name leaks in error paths")
> > > Fixes: c408b3d1d9bb ("thermal: Validate new state in cur_state_store()")
> > > Reported-by: Caleb Connolly <caleb.connolly@...aro.org>
> > > Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> >
> > OK, so I think that this patch is needed for 6.2 and the other two may
> > be queued up for later (they do depend on this one, though, of
> > course).  Is my understanding correct?
>
> Right.

OK, applied as 6.2-rc material and I'll get to the other two when this goes in.