linux-kernel - [PATCH 1/2] checkpatch: allow special characters in spelling.txt

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Message-ID: <20241215025104.70096-2-heinrich.schuchardt@canonical.com>
Date: Sun, 15 Dec 2024 03:51:03 +0100
From: Heinrich Schuchardt <heinrich.schuchardt@...onical.com>
To: Andy Whitcroft <apw@...onical.com>,
	Joe Perches <joe@...ches.com>
Cc: Dwaipayan Ray <dwaipayanray1@...il.com>,
	Lukas Bulwahn <lukas.bulwahn@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Simon Horman <horms@...nel.org>,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	Colin Ian King <colin.i.king@...il.com>,
	Yu Jiaoliang <yujiaoliang@...o.com>,
	WangYuli <wangyuli@...ontech.com>,
	linux-kernel@...r.kernel.org,
	Heinrich Schuchardt <heinrich.schuchardt@...onical.com>
Subject: [PATCH 1/2] checkpatch: allow special characters in spelling.txt

Checkpatch.pl uses the misspelled words from spelling.txt both as keys of a
hash and as part of a regular expression. For usage in the regular
expression special characters like the plus sign need to be escaped.

Escape special characters in the list of misspelled words.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@...onical.com>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 744328d21eb8..572411aaa4be 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -978,7 +978,7 @@ if ($codespell) {
 	}
 }
 
-$misspellings = join("|", sort keys %spelling_fix) if keys %spelling_fix;
+$misspellings = join("|", map{quotemeta($_)} sort keys %spelling_fix) if keys %spelling_fix;
 
 sub read_words {
 	my ($wordsRef, $file) = @_;
-- 
2.45.2