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

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Date:   Wed, 19 Oct 2016 13:47:01 +0000
From:   "David Härdeman" <david@...deman.nu>
To:     "SF Markus Elfring" <elfring@...rs.sourceforge.net>,
        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()

October 19, 2016 3:32 PM, "SF Markus Elfring" <elfring@...rs.sourceforge.net> wrote:
>>> Move the assignment for the local variable "data" behind the source code
>>> for a memory allocation by this function.
>> 
>> Sorry, I can't see what the point is?
> 
> * 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 care for data access locality?

Not unless you can show measurable performance improvements?