linux-kernel - Re: [PATCH 06/10] gpio: mockup: refuse to accept an odd number of GPIO ranges

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Message-ID: <CAHp75VfwAS3fKfnDGb6cGEC0-YhpR2J_mwSHzjykh6vbQ=p4eQ@mail.gmail.com>
Date:   Sat, 27 May 2017 20:29:33 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Courbot <gnurou@...il.com>,
        Bamvor Jian Zhang <bamvor.zhangjian@...aro.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 06/10] gpio: mockup: refuse to accept an odd number of
 GPIO ranges

On Thu, May 25, 2017 at 11:33 AM, Bartosz Golaszewski <brgl@...ev.pl> wrote:
> Currently we ignore the last odd range value, since each chip is
> described by two values. Be more strict and require the user to
> pass an even number of ranges.

> -       if (gpio_mockup_params_nr < 2)
> +       if (gpio_mockup_params_nr < 2 || (gpio_mockup_params_nr % 2))

     if (((gpio_mockup_params_nr + 1) & ~3) < 3)

3 might have a suffix regarding to the type of variable.

-- 
With Best Regards,
Andy Shevchenko