linux-kernel - Re: [PATCH v2] gpio: Fix gpiochip_add_data_with

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Message-ID: <CACRpkdZ0s2uZMS4K9SN+xQonKXQytBGnFR7v9ieBAwOUwi-XKg@mail.gmail.com>
Date:   Thu, 25 Apr 2019 09:15:07 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Benoit Parrot <bparrot@...com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] gpio: Fix gpiochip_add_data_with_key() error path

On Wed, Apr 24, 2019 at 3:59 PM Geert Uytterhoeven
<geert+renesas@...der.be> wrote:

> The err_remove_chip block is too coarse, and may perform cleanup that
> must not be done.  E.g. if of_gpiochip_add() fails, of_gpiochip_remove()
> is still called, causing:

Good catch!

Patch applied for fixes.

Yours,
Linus Walleij