linux-kernel - Re: [PATCH v6 1/2] cpufreq: Abort show/store for half initialized policy

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Message-ID: <CAKohpo==gvvyd2HxL3sLTqXS-VbFeprkgAdSAjU3mnbq4Qn-Jg@mail.gmail.com>
Date:   Mon, 16 May 2022 11:24:50 +0100
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Schspa Shi <schspa@...il.com>
Cc:     rafael@...nel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 1/2] cpufreq: Abort show/store for half initialized policy

On Mon, 16 May 2022 at 04:03, Schspa Shi <schspa@...il.com> wrote:
>
> If policy initialization fails after the sysfs files are created,
> there is a possibility that we may end up running show()/store()
> callbacks for half initialized policies, which may have unpredictable
> outcomes.
>
> Abort show/store in such a case by making sure the policy is active.
> Also inactivate the policy on such failures.
>
> Signed-off-by: Schspa Shi <schspa@...il.com>

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>