linux-kernel - [PATCH 2/2] checkpatch: Warn when a MAINTAINERS entry isn't [A-Z]:\t

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Message-Id: <9aaaf03ec10adf3888b5e98dd2176b7fe9b5fad8.1496343345.git.joe@perches.com>
Date:   Thu,  1 Jun 2017 12:02:03 -0700
From:   Joe Perches <joe@...ches.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Andy Whitcroft <apw@...onical.com>
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] checkpatch: Warn when a MAINTAINERS entry isn't [A-Z]:\t

For consistency, MAINTAINERS entries should be an upper case letter,
then a colon, then a tab, then the value.

Warn when an entry doesn't have this form.  --fix it too.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 scripts/checkpatch.pl | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index b86ff852b241..7fcaf5ca997b 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2776,6 +2776,17 @@ sub process {
 			#print "is_start<$is_start> is_end<$is_end> length<$length>\n";
 		}
 
+# check for MAINTAINERS entries that don't have the right form
+		if ($realfile =~ /^MAINTAINERS$/ &&
+		    $rawline =~ /^\+[A-Z]:/ &&
+		    $rawline !~ /^\+[A-Z]:\t\S/) {
+			if (WARN("MAINTAINERS_STYLE",
+				 "MAINTAINERS entries use one tab after TYPE:\n" . $herecurr) &&
+			    $fix) {
+				$fixed[$fixlinenr] =~ s/^(\+[A-Z]):\s*/$1:\t/;
+			}
+		}
+
 # discourage the use of boolean for type definition attributes of Kconfig options
 		if ($realfile =~ /Kconfig/ &&
 		    $line =~ /^\+\s*\bboolean\b/) {
-- 
2.10.0.rc2.1.g053435c