linux-kernel - Re: [v2] coccinelle: semantic code search for missing of_node

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Date:   Fri, 28 Jun 2019 16:16:08 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Julia Lawall <julia.lawall@...6.fr>, cocci@...teme.lip6.fr
Cc:     Wen Yang <wen.yang99@....com.cn>, linux-kernel@...r.kernel.org,
        Yi Wang <wang.yi59@....com.cn>,
        Gilles Muller <Gilles.Muller@...6.fr>,
        Nicolas Palix <nicolas.palix@...g.fr>,
        Michal Marek <michal.lkml@...kovi.net>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>
Subject: Re: [v2] coccinelle: semantic code search for missing of_node_put

>> +x =
>> +(of_…
>> +|of_…
>> +)@p1(...);
>
> Did you actually test this?  I doubt that a position metavariable can be
> put on a ) of a disjunction.

Would you ever like to support this possibility?


>> +|return
>> +(x
>> +|of_fwnode_handle(x)
>> +);
>
> The original code is much more readable.

We have got different views around such specification variants.


> The internal representation will be the same.

I imagine that the Coccinelle software might evolve into additional directions.


Regards,
Markus