linux-kernel - Re: [PATCH v1 1/2] driver core: class: Clear private pointer on registration failures

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Message-ID: <999011db-32c0-9f75-ca63-09f0e51c5df1@linaro.org>
Date:   Fri, 20 Jan 2023 23:43:38 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux PM <linux-pm@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Zhang Rui <rui.zhang@...el.com>
Subject: Re: [PATCH v1 1/2] driver core: class: Clear private pointer on
 registration failures

On 20/01/2023 20:46, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> 
> Clear the class private pointer if __class_register() fails for it, so
> as to allow its users to verify that the class is usable by checking
> the value of that pointer.
> 
> For consistency, clear that pointer before freeing the object pointed
> to by it in class_release().
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> ---

Acked-by: Daniel Lezcano <daniel.lezcano@...aro.org>


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