linux-kernel - Re: [PATCH] gpiolib: Free the last requested descriptor

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Message-ID: <CACRpkdYgC7Z79c3swKE=ZwEUfVTC+oijKOqo5HwVdXLOsTT8Mg@mail.gmail.com>
Date:   Fri, 14 Sep 2018 10:56:00 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Cc:     "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Timur Tabi <timur@...eaurora.org>,
        stable <stable@...r.kernel.org>
Subject: Re: [PATCH] gpiolib: Free the last requested descriptor

On Thu, Sep 13, 2018 at 3:37 PM Ricardo Ribalda Delgado
<ricardo.ribalda@...il.com> wrote:

> The current code only frees N-1 gpios if an error occurs during
> gpiod_set_transitory, gpiod_direction_output or gpiod_direction_input.
> Leading to gpios that cannot be used by userspace nor other drivers.
>
> Cc: Timur Tabi <timur@...eaurora.org>
> Cc: stable@...r.kernel.org
> Fixes: ab3dbcf78f60f46d ("gpioib: do not free unrequested descriptors)
> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>

Patch applied for fixes with Jan's Reported-by tag.

Yours,
Linus Walleij