linux-kernel - Re: [PATCH 1/2] lib: add __sysfs_match_string_with

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Message-ID: <20190426142754.GU9224@smile.fi.intel.com>
Date:   Fri, 26 Apr 2019 17:27:54 +0300
From:   "andriy.shevchenko@...ux.intel.com" 
        <andriy.shevchenko@...ux.intel.com>
To:     Alexandru Ardelean <ardeleanalex@...il.com>
Cc:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        Jonathan Cameron <jonathan.cameron@...wei.com>,
        "Ardelean, Alexandru" <alexandru.Ardelean@...log.com>,
        "namhyung@...nel.org" <namhyung@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "mingo@...nel.org" <mingo@...nel.org>
Subject: Re: [PATCH 1/2] lib: add __sysfs_match_string_with_gaps() helper

On Fri, Apr 26, 2019 at 12:29:11PM +0300, Alexandru Ardelean wrote:

> Hmm, I actually did not give much thought to that -1.
> I'll check into this and see about a V3.
> It may make more sense to just fix the original
> `__sysfs_match_string()`, but I'll need to go through the users of
> this function and see.

I was thinking about existing users of such (with "gaps") cases.
Not all of them have NULL there and would like to avoid some members.
Though, I think that we may ignore NULL items if -1 is supplied.

Think as well about ARRAY_SIZE() as given to that.

And consider to fix match_string() accordingly.

-- 
With Best Regards,
Andy Shevchenko