linux-kernel - Re: checkpatch.pl: WxV false positive

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Date:	Mon, 30 Jan 2012 11:39:25 -0500
From:	Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To:	Andy Whitcroft <apw@...onical.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: checkpatch.pl: WxV false positive

Hi Andy,

On Mon, 30 Jan 2012 11:18:17 +0000,
Andy Whitcroft <apw@...onical.com> wrote:

> On Sun, Jan 22, 2012 at 09:48:34PM -0500, Vivien Didelot wrote:
> 
> > In the code below, checkpatch thinks that the asterisk is a
> > multiplication, so it is complaining about coding style.
> > 
> >     ERROR: need consistent spacing around '*' (ctx:WxV)
> >     #304: FILE: x86/platform/ts5500/ts5500_adc.c:304:
> >     +	.attrs = (struct attribute *[]) {
> 
> C types are the pits.  How does the version below handle for you:
> 
>     http://people.canonical.com/~apw/checkpatch/checkpatch-next.pl
> 

This version works for me!

> Relative patch below.
> 
> -apw
> 
> commit f8a73045dcaac70f9be770cca06f21c762a13878
> Author: Andy Whitcroft <apw@...onical.com>
> Date:   Sun Jan 29 21:46:04 2012 +0000
> 
>     checkpatch: add [] to type extensions
>     
>     Add [] to a type extensions.  Fixes false positives on:
>     
>         .attrs = (struct attribute *[]) {
>     
>     Signed-off-by: Andy Whitcroft <apw@...onical.com>
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index d1dd544..64de1bd 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -323,7 +323,7 @@ sub build_types {
>  		  }x;
>  	$Type	= qr{
>  			$NonptrType
> -			(?:[\s\*]+\s*const|[\s\*]+|(?:\s*\[\s*\])+)?
> +
> (?:(?:\s|\*|\[\])+\s*const|(?:\s|\*|\[\])+|(?:\s*\[\s*\])+)?
> (?:\s+$Inline|\s+$Modifier)* }x;
>  	$Declare	= qr{(?:$Storage\s+)?$Type};

Thanks,
Vivien

-- 
Vivien Didelot
Savoir-faire Linux Inc.
Tel: (514) 276-5468 #149
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