linux-kernel - [PATCH v3] checkpatch: Fix checks for Kconfig help text

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Date:   Sat, 18 Nov 2017 16:48:01 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Andy Whitcroft <apw@...onical.com>, Joe Perches <joe@...ches.com>,
        linux-kernel@...r.kernel.org
Cc:     Leo Yan <leo.yan@...aro.org>
Subject: [PATCH v3] checkpatch: Fix checks for Kconfig help text

If one patch has Kconfig section, the check script variable '$is_start'
will be set by first 'config' line and the variable '$is_end' is to be
set by the second 'config' line. But patches often has only one
'config' line so we have no chance to set '$is_end', as result below
condition is invalid and it skips check for Kconfig description:

	if ($is_start && $is_end && $length < $min_conf_desc_length) {
		......
	}

When script runs to this condition sentence it means the Kconfig
section parsing has been completed, whatever '$is_end' is true
or not. So removes '$is_end' from condition sentence.

Signed-off-by: Leo Yan <leo.yan@...aro.org>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 95cda3e..6050323 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2796,7 +2796,7 @@ sub process {
 				}
 				$length++;
 			}
-			if ($is_start && $is_end && $length < $min_conf_desc_length) {
+			if ($is_start && $length < $min_conf_desc_length) {
 				WARN("CONFIG_DESCRIPTION",
 				     "please write a paragraph that describes the config symbol fully\n" . $herecurr);
 			}
-- 
2.7.4