linux-kernel - Re: [PATCH 3/3] dm ioctl: Delete an unnecessary check before the function call "dm_table

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Message-ID: <54D7329C.206@users.sourceforge.net>
Date:	Sun, 08 Feb 2015 10:55:40 +0100
From:	SF Markus Elfring <elfring@...rs.sourceforge.net>
To:	Mike Snitzer <snitzer@...hat.com>
CC:	Alasdair Kergon <agk@...hat.com>, Neil Brown <neilb@...e.de>,
	dm-devel@...hat.com, linux-raid@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>,
	kernel-janitors@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] dm ioctl: Delete an unnecessary check before the
 function call "dm_table_destroy"

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

How many source code readability and understanding challenges does each
additional condition check cause?

Can the affected place become also a bit more efficient?

Regards,
Markus
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