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Message-ID: <CAHp75VfqEdoDZydwFmQaLiUN8cVtH3MbFHf3qixU8xUHXMwt1g@mail.gmail.com>
Date:   Tue, 22 May 2018 01:00:23 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Yisheng Xie <xieyisheng1@...wei.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Linux PM <linux-pm@...r.kernel.org>
Subject: Re: [PATCH 19/33] thermal: db8500: use match_string() helper

On Mon, May 21, 2018 at 2:57 PM, Yisheng Xie <xieyisheng1@...wei.com> wrote:
> match_string() returns the index of an array for a matching string,
> which can be used intead of open coded variant.

> +       i = match_string((const char **)trip_point->cdev_name,

Casting looks ugly. You need to constify the variable itself.

> +                        COOLING_DEV_MAX, cdev->type);
>
> -       return -ENODEV;
> +       return (i < 0) ? -ENODEV : 0;

I would rather go with

if (ret < 0)
 return -ENODEV;

return 0;

-- 
With Best Regards,
Andy Shevchenko

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