linux-kernel - [PATCH] checkpatch.pl: Allow '+' in compatible strings

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Message-Id: <20200714094141.147418-1-thierry.reding@gmail.com>
Date:   Tue, 14 Jul 2020 11:41:41 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Andy Whitcroft <apw@...onical.com>, Joe Perches <joe@...ches.com>
Cc:     Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org
Subject: [PATCH] checkpatch.pl: Allow '+' in compatible strings

From: Thierry Reding <treding@...dia.com>

The current checks will interpret a '+' character as special because
they use regular expression matching. Escape the '+' character if it
appears in a compatible string.

Signed-off-by: Thierry Reding <treding@...dia.com>
---
 scripts/checkpatch.pl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 4c820607540b..8104d0736e7f 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3145,6 +3145,7 @@ sub process {
 			my $vp_file = $dt_path . "vendor-prefixes.yaml";
 
 			foreach my $compat (@compats) {
+				$compat =~ s/\+/\\+/;
 				my $compat2 = $compat;
 				$compat2 =~ s/\,[a-zA-Z0-9]*\-/\,<\.\*>\-/;
 				my $compat3 = $compat;
-- 
2.27.0