linux-kernel - [PATCH v3 4/5] checkpatch: kconfig: clarify warning for paragraph length

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Date:   Sun,  3 Jan 2021 08:50:14 +0100
From:   Nicolai Fischer <nicolai.fischer@....de>
To:     linux-kernel@...r.kernel.org
Cc:     joe@...ches.com, apw@...onical.com, akpm@...ux-foundation.org,
        nicolai.fischer@....de, johannes.czekay@....de,
        linux-kernel@...cs.fau.de
Subject: [PATCH v3 4/5] checkpatch: kconfig: clarify warning for paragraph length

Currently checkpatch displays a warning if it detects a help text
of a Kconfig option which is too short. However the warning does
not contain any further information.
This adds the expected and currently detected number of lines
to the warning, which makes it more obvious why checkpatch
is warning.

Furthermore this makes it easier to quickly identify false
positives, e.g. when a help message contains a Kconfig keyword
and falsely triggers checkpatch to stop counting lines,
it will be more apparent, because the user can see how many lines
they wrote and how many of those were counted correctly.

Co-developed-by: Johannes Czekay <johannes.czekay@....de>
Signed-off-by: Johannes Czekay <johannes.czekay@....de>
Signed-off-by: Nicolai Fischer <nicolai.fischer@....de>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 209880810aaa..805b5870803f 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3356,7 +3356,7 @@ sub process {
 			}
 			if ($is_start && $is_end && $length < $min_conf_desc_length) {
 				WARN("CONFIG_DESCRIPTION",
-				     "please write a paragraph that describes the config symbol fully\n" . $herecurr);
+				     "please write a paragraph ($length/$min_conf_desc_length lines) that describes the config symbol fully\n" . $herecurr);
 			}
 			if ($is_start && $is_end && defined $help_stat_real) {
 				WARN("CONFIG_DESCRIPTION",
-- 
2.29.2