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Re: [PATCH 2/3] checkpatch: testing more config for Kconfig help text

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On Thu, 2016-04-21 at 21:28 +0800, Yingjoe Chen wrote:
> Current help text check only check a config option if it is followed
> by another config.
> Adding check for help text if the next entry is menuconfig, choice/
> endchoice, comment, menu/endmenu, if/endif, source or end of file.
[]
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -2563,6 +2563,12 @@ sub process {
>  				next if ($f =~ /^-/);
>  				last if (!$file && $f =~ /^\@\@/);
>  
> +				if ($f !~ /^[+\- ]/) {
> +					# End of file
> +					$is_end = 1;
> +					last;
> +				}
> +
>  				if ($lines[$ln - 1] =~ /^\+\s*(?:bool|tristate)\s*\"/) {
>  					$is_start = 1;
>  				} elsif ($lines[$ln - 1] =~ /^\+\s*(?:---)?help(?:---)?$/) {
> @@ -2573,7 +2579,10 @@ sub process {
>  				$f =~ s/#.*//;
>  				$f =~ s/^\s+//;
>  				next if ($f =~ /^$/);
> -				if ($f =~ /^\s*config\s/) {
> +				if ($f =~ /^\s*config\s/ || $f =~ /^\s*menuconfig\s/ || $f =~ /^\s*choice\s/ ||
> +				    $f =~ /^\s*endchoice$/ || $f =~ /^\s*comment\s/ || $f =~ /^\s*menu\s/ ||
> +				    $f =~ /^\s*endmenu$/ || $f =~ /^\s*if\s/ || $f =~ /^\s*endif$/ ||
> +				    $f =~ /^\s*source\s/) {
>  					$is_end = 1;
>  					last;
>  				}

This seems relatively verbose.
Also, because there's a substitution above that strips leading spaces,
the "^\s*" uses are unnecessary and can be simplified to ^

Maybe:
if ($f =~ /^(?:config\s|menuconfig\s|choice\s|endchoice\s*$|comment\s|menu\s|endmenu$|if\s|endif\s*$|source\s)

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[PATCH 1/3] checkpatch: add Kconfig 'default n' test Yingjoe Chen <yingjoe.chen@mediatek.com> - 2016-04-21 15:30 +0200
  [PATCH 2/3] checkpatch: testing more config for Kconfig help text Yingjoe Chen <yingjoe.chen@mediatek.com> - 2016-04-21 15:30 +0200
    Re: [PATCH 2/3] checkpatch: testing more config for Kconfig help  text Joe Perches <joe@perches.com> - 2016-04-21 19:10 +0200
      Re: [PATCH 2/3] checkpatch: testing more config for Kconfig help  text Yingjoe Chen <yingjoe.chen@mediatek.com> - 2016-04-22 15:40 +0200
  Re: [PATCH 1/3] checkpatch: add Kconfig 'default n' test Joe Perches <joe@perches.com> - 2016-04-21 19:20 +0200
    Re: [PATCH 1/3] checkpatch: add Kconfig 'default n' test Paul Bolle <pebolle@tiscali.nl> - 2016-04-21 20:30 +0200
    Re: [PATCH 1/3] checkpatch: add Kconfig 'default n' test Yingjoe Chen <yingjoe.chen@mediatek.com> - 2016-04-22 16:20 +0200

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