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

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Message-ID: <CAPybu_3aaCyw9e4FJpu2r7QbGUVzDrjPmfo4oSue1Ncu0jkLGQ@mail.gmail.com>
Date:   Mon, 17 Sep 2018 12:14:17 +0200
From:   Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     linux-gpio@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        Timur Tabi <timur@...eaurora.org>, stable@...r.kernel.org
Subject: Re: [PATCH] gpiolib: Free the last requested descriptor

Hi Linus
On Fri, Sep 14, 2018 at 10:56 AM Linus Walleij <linus.walleij@...aro.org> wrote:
>
> 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.

Just a heads-up

I haven't seem the patch on your kernel tree at
https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git/refs/heads

it is probably on your computer tree, but I wanted to make sure the
patch is not lost in the wind :P

Thanks!


>
> Yours,
> Linus Walleij



-- 
Ricardo Ribalda