Re: [PATCH 3/3] dm ioctl: Delete an unnecessary check before the function call "dm_table_destroy"

From: Mike Snitzer
Date: Fri Feb 06 2015 - 16:12:54 EST


On Mon, Feb 02 2015 at 10:23am -0500,
SF Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:

> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Mon, 2 Feb 2015 15:30:37 +0100
>
> The dm_table_destroy() function tests whether its argument is NULL and then
> returns immediately. Thus the test around the call is not needed.
>
> This issue was detected by using the Coccinelle software.

Your proposed patch (while technically correct) hurts code clarity.

Nack.
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