linux-kernel - Re: Fix empty macros in acpi.

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Message-ID: <20070613000029.GK21478@ftp.linux.org.uk>
Date:	Wed, 13 Jun 2007 01:00:29 +0100
From:	Al Viro <viro@....linux.org.uk>
To:	Dave Jones <davej@...hat.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: Fix empty macros in acpi.

On Tue, Jun 12, 2007 at 07:33:09PM -0400, Dave Jones wrote:
> +#define DBG(x...) do { } while(0)

Eh...  Please, stop it - if you want a function-call-like no-op returning void,
use ((void)0).  At least that way one can say DBG(....),foo(), etc.

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