linux-kernel - Re: [PATCH] kmemcheck: fix sparse warning

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Message-ID: <70318cbf0907081328m2542d999l7865add3145cd48@mail.gmail.com>
Date:	Wed, 8 Jul 2009 13:28:49 -0700
From:	Christopher Li <sparse@...isli.org>
To:	linux-sparse@...r.kernel.org
Cc:	Vegard Nossum <vegard.nossum@...il.com>,
	Pekka J Enberg <penberg@...helsinki.fi>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Johannes Berg <johannes@...solutions.net>
Subject: Re: [PATCH] kmemcheck: fix sparse warning

On Wed, Jul 8, 2009 at 12:39 PM, Johannes Berg<johannes@...solutions.net> wrote:
> Everybody take me off the CC please then :) This has been discussed far
> too many times already. In this special case, the warning probably isn't
> all that useful, but ISTR Linus saying that he wanted it this way.

Right. I would keep the warning in sparse. I think it is better with
the compound statement. It is easier to read which block is which.

> -       do if (ptr) {                                                   \
> +       do { if (ptr) {                                                 \

BTW, if does not hurt to put the "if (ptr)" to a separate line.

Chris
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