linux-kernel - Re: [PATCH 1/3] checkpatch: skip spacing tests on linker scripts

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Message-ID: <075e07c40b99f93123051ef8833612bc88a55120.camel@perches.com>
Date:   Fri, 25 Jun 2021 21:15:09 -0700
From:   Joe Perches <joe@...ches.com>
To:     Jim Cromie <jim.cromie@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] checkpatch: skip spacing tests on linker scripts

On Fri, 2021-06-25 at 21:40 -0600, Jim Cromie wrote:
> Before issuing a WARNING on spacing, exclude reports on linker
> scripts, which don't comport to C style rules.  skip_on_filename()
> skips on *.lds.h files, I think covering all cases.
[]
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -2546,6 +2546,11 @@ sub get_raw_comment {
>  	return $comment;
>  }
> 
> +sub skip_on_filename {
> +	my $fname = shift;
> +	return $fname =~ m@\.lds\.h$@;
> +}

nak.  This is poor naming for what is not a generic function.

> @@ -5134,7 +5139,8 @@ sub process {
>  							}
>  						}
>  					} elsif ($ctx =~ /Wx[^WCE]|[^WCE]xW/) {
> -						if (ERROR("SPACING",
> +						if (!skip_on_filename($realfile) &&
> +						    ERROR("SPACING",
>  							  "need consistent spacing around '$op' $at\n" . $hereptr)) {
>  							$good = rtrim($fix_elements[$n]) . " " . trim($fix_elements[$n + 1]) . " ";
>  							if (defined $fix_elements[$n + 2]) {

This .lds.h test is also used in one other place.

It might be better to avoid all tests in .lds.h files by using a
"next if" much earlier.