linux-kernel - Re: [PATCH v2] pinctrl: mediatek: Free eint data on failure

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Date:   Wed, 30 Sep 2020 10:47:17 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Sean Wang <sean.wang@...nel.org>
Cc:     Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        lkml <linux-kernel@...r.kernel.org>,
        Collabora Kernel ML <kernel@...labora.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Nicolas Boichat <drinkcat@...omium.org>, hsinyi@...omium.org,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH v2] pinctrl: mediatek: Free eint data on failure

On Sun, Sep 27, 2020 at 7:57 PM Sean Wang <sean.wang@...nel.org> wrote:

> v2 seems the same with v1 or I was missing something.
>
> I just thought we call devm_ioremap_release to explicitly to free
> resource when a certain failure occurs after
> devm_ioremap_resource?

What is the semantics around mtk_build_eint()?

If it is called on the probe path no explicit free:ing is
necessary: anytime probe() exits with an error code,
any devm* resources will be free:ed.

Yours,
Linus Walleij