linux-kernel - Re: [media] winbond-cir: Move a variable assignment in wbcir

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Date:   Wed, 19 Oct 2016 16:05:59 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     David Härdeman <david@...deman.nu>,
        linux-media@...r.kernel.org
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sean Young <sean@...s.org>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [media] winbond-cir: Move a variable assignment in wbcir_tx()

>> * How do you think about to avoid a variable assignment in case
>> that this memory allocation failed anyhow?
> 
> There is no memory allocation that can fail at this point.

Do you really know the failure probability for a call of the
function "kmalloc" (within the function "wbcir_tx") under all
possible run time situations?


>> * Do you care for data access locality?
> 
> Not unless you can show measurable performance improvements?

Did any software developer (before me) dare anything in this direction?

Regards,
Markus