linux-kernel - Re: [PATCH] checkpatch: Report missing spaces around trigraphs with --strict

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Date:	Mon, 2 Sep 2013 17:32:15 -0700
From:	Josh Triplett <josh@...htriplett.org>
To:	Joe Perches <joe@...ches.com>
Cc:	Guenter Roeck <linux@...ck-us.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andy Whitcroft <apw@...onical.com>,
	ksummit-2013-discuss@...ts.linuxfoundation.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Mauro Carvalho Chehab <m.chehab@...sung.com>
Subject: Re: [PATCH] checkpatch: Report missing spaces around trigraphs with
 --strict

On Mon, Sep 02, 2013 at 04:54:25PM -0700, Joe Perches wrote:
> > would you mind looking at why
> > it gives a false positive for spaces around '*' on my recent patch at
> > http://mid.gmane.org/20130901234251.GB25057@leaf ?  It appears to
> > mistake the '*' of a pointer for a multiply.
> 
> Looks like checkpatch thinks this should be a multiplication.
> 
> Try this:
> ---
>  scripts/checkpatch.pl | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 9bb056c..e421b5e 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -3005,7 +3005,7 @@ sub process {
>  					 $op eq '*' or $op eq '/' or
>  					 $op eq '%')
>  				{
> -					if ($ctx =~ /Wx[^WCE]|[^WCE]xW/) {
> +					if ($ctx =~ /Wx[^WCEB]|[^WCE]xW/) {
>  						if (ERROR("SPACING",
>  							  "need consistent spacing around '$op' $at\n" . $hereptr)) {
>  							$good = rtrim($fix_elements[$n]) . " " . trim($fix_elements[$n + 1]) . " ";
> 
> 

That patch does indeed fix the problem, thanks!

Tested-by: Josh Triplett <josh@...htriplett.org>
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