linux-kernel - Re: checkpatch false positive

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Date:	Wed, 17 Mar 2010 08:25:35 -0700
From:	Joe Perches <joe@...ches.com>
To:	Richard Kennedy <richard@....demon.co.uk>
Cc:	Andy Whitcroft <apw@...onical.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: checkpatch false positive

On Wed, 2010-03-17 at 11:00 +0000, Richard Kennedy wrote:
> I'm getting this error from checkpatch which is a false positive AFAICT.
> I don't see any other way to code this macro so maybe this rule
> shouldn't apply?.
> 
> 	ERROR: space prohibited before open square bracket '['
> 	#24: FILE: drivers/staging/wlan-ng/p80211wext.c:1685:
> 	+#define IW_IOCTL(x) [(x)-SIOCSIWCOMMIT]

While true that this is a false positive, hiding array indexing
brackets in a macro doesn't seem a good idea.

Maybe it'd be better to move the brackets to the use?


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