linux-kernel - Re: [PATCH v2 1/1] intel_telemetry_debugfs: fix oops found while load/unload module test

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Date:   Thu, 1 Jun 2017 01:13:00 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     priyalee.kushwaha@...el.com
Cc:     "dvhart@...radead.org" <dvhart@...radead.org>,
        souvik.k.chakravarty@...el.com,
        Andy Shevchenko <andy@...radead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>
Subject: Re: [PATCH v2 1/1] intel_telemetry_debugfs: fix oops found while
 load/unload module test

On Fri, Jun 2, 2017 at 12:33 AM,  <priyalee.kushwaha@...el.com> wrote:
> This fix oops found while testing load/unload test of
> intel_telemetry_debugfs module. Module_init uses register_pm_notifier
> for PM callbacks, but unregister_pm_notifier was missing from
> module_exit.

> +#ifdef CONFIG_PM_SLEEP
> +       unregister_pm_notifier(&pm_notifier);
> +#endif /* CONFIG_PM_SLEEP */

Neither here

> +#ifdef CONFIG_PM_SLEEP
> +       unregister_pm_notifier(&pm_notifier);
> +#endif /* CONFIG_PM_SLEEP */

Not there.

AFAIU we discussed to make unregister_pm_notifier() having stubs for !PM_SLEEP.

-- 
With Best Regards,
Andy Shevchenko