linux-kernel - Re: [PATCH] gpiolib: of: fix bounds check for valid mask

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Message-ID: <CAHp75VfyxspOScEt1qffshdrDYuQp50O5HFbr2cUV7MYsg=JdQ@mail.gmail.com>
Date:   Mon, 11 Apr 2022 15:12:57 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Andrei Lalaev <andrei.lalaev@...id.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] gpiolib: of: fix bounds check for valid mask

On Mon, Apr 11, 2022 at 12:57 PM Andrei Lalaev <andrei.lalaev@...id.com> wrote:
>
> Use "greater" instead of "greater or equal" when performs bounds check
> to make sure that GPIOS are in available range. Previous implementation

the available

> skipped ranges which include last GPIO in range.

the last

Should it have a Fixes tag?

OTOH, the current implementation suggests that we have start,end
rather than start,count. What does documentation tell about it? Does
it need to be fixed?

-- 
With Best Regards,
Andy Shevchenko