linux-kernel - Re: regulator: s2mps11: Use kcalloc() in s2mps11_pmic

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Date:   Sat, 15 Apr 2017 19:29:23 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     linux-samsung-soc@...r.kernel.org,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Sangbeom Kim <sbkim73@...sung.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: regulator: s2mps11: Use kcalloc() in s2mps11_pmic_probe()

>> A multiplication for the size determination of a memory allocation
>> indicated that an array data structure should be processed.
>> Thus use the corresponding function "kcalloc".
>>
>> This issue was detected by using the Coccinelle software.
> 
> Unfortunately you write mostly cryptic commit messages.

Thanks for your feedback.


> This does not answer for the main question - why this change is needed.

My update suggestion affects an aspect for the coding style.


> Code looks okay,

There can be different opinions about related implementation details.


> but you should explain in simple words why this is needed.

Do you find the following wording from the script “checkpatch.pl”
better to understand?

WARNING: Prefer kcalloc over kzalloc with multiply


Regards,
Markus