linux-kernel - [PATCH 2/2] checkpatch: Allow c99 style // comments

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Date:	Tue, 12 Jul 2016 17:09:13 -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: Allow c99 style // comments

Sanitise the lines that contain c99 comments so that
the error doesn't get emitted.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 scripts/checkpatch.pl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index cc787e6..a0e5112 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -55,6 +55,7 @@ my $spelling_file = "$D/spelling.txt";
 my $codespell = 0;
 my $codespellfile = "/usr/share/codespell/dictionary.txt";
 my $color = 1;
+my $allow_c99_comments = 1;
 
 sub help {
 	my ($exitcode) = @_;
@@ -1145,6 +1146,11 @@ sub sanitise_line {
 		$res =~ s@(\#\s*(?:error|warning)\s+).*@...clean@;
 	}
 
+	if ($allow_c99_comments && $res =~ m@(//.*$)@) {
+		my $match = $1;
+		$res =~ s/\Q$match\E/"$;" x length($match)/e;
+	}
+
 	return $res;
 }
 
-- 
2.8.0.rc4.16.g56331f8