linux-kernel - Re: x86-ksysfs: Use kmalloc_array() in create_setup_data

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Date:   Wed, 7 Sep 2016 18:55:09 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Kees Cook <keescook@...omium.org>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Ingo Molnar <mingo@...hat.com>,
        "x86@...nel.org" <x86@...nel.org>, Dave Young <dyoung@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Matt Fleming <matt.fleming@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>
Subject: Re: x86-ksysfs: Use kmalloc_array() in create_setup_data_nodes()

> Fixing these kmalloc calls would be a nice thing to clean up everywhere.

Thanks for your acknowledgement of such a software improvement opportunity.


> Since it is a mistake people may continue to make, I think it would
> make sense to add a coccinelle script that can do this to the
> existing coccinelle scripts in the kernel if one to do it does not
> already exist. That way, it will be part of the coccinelle checking
> that is automatically run on the kernel regularly.

I am curious on how many contributors would like to help a bit more
in such a software development task.

How do you think about to clarify corresponding challenges better?

Do you find any details interesting which are described in a feature
request (or article) like "Improve determination of sizes with SmPL"?
https://github.com/coccinelle/coccinelle/issues/80

Regards,
Markus