linux-kernel - [PATCH] checkpatch: testing more config for Kconfig help text

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Date:   Fri, 21 Jul 2017 19:03:37 +0800
From:   Yingjoe Chen <yingjoe.chen@...iatek.com>
To:     Andy Whitcroft <apw@...onical.com>, Joe Perches <joe@...ches.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        srv_heupstream <srv_heupstream@...iatek.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Paul Bolle <pebolle@...cali.nl>, <yingjoe.Chen@...iatek.com>,
        Yingjoe Chen <yingjoe.chen@...iatek.com>
Subject: [PATCH] checkpatch: testing more config for Kconfig help text

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.

Change-Id: I9f0b29cebb93df2cadaf77d1027208fd01efd976
Signed-off-by: Yingjoe Chen <yingjoe.chen@...iatek.com>
---
Hi,

This was sent in Jun 2016[1].
I think we should check every configs for help text.

Please let me know if there's anything need to change.
Thanks

Joe.C

[1] https://lkml.org/lkml/2016/6/24/360

---
 scripts/checkpatch.pl |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 2287a0b..f778702 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2778,6 +2778,12 @@ 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[$ln - 1] =~ /^\+\s*(?:---)?help(?:---)?$/) {
@@ -2788,7 +2794,7 @@ sub process {
 				$f =~ s/#.*//;
 				$f =~ s/^\s+//;
 				next if ($f =~ /^$/);
-				if ($f =~ /^\s*config\s/) {
+				if ($f =~ /^(?:config\s|menuconfig\s|choice\s|endchoice\s*$|comment\s|menu\s|endmenu\s*$|if\s|endif\s*$|source\s)/) {
 					$is_end = 1;
 					last;
 				}
-- 
1.7.9.5