linux-kernel - [PATCH v3] checkpatch: remove %p4cn

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Message-ID:
 <PN3PR01MB959760B89BF7E4B43852700CB8832@PN3PR01MB9597.INDPRD01.PROD.OUTLOOK.COM>
Date: Wed, 30 Apr 2025 19:19:08 +0530
From: Aditya Garg <gargaditya08@...e.com>
To: pmladek@...e.com
Cc: admin@...eit.net, airlied@...hat.com, akpm@...ux-foundation.org,
 alyssa@...enzweig.io, andriy.shevchenko@...ux.intel.com, apw@...onical.com,
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 dwaipayanray1@...il.com, geert@...ux-m68k.org, joe@...ches.com,
 kees@...nel.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
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 mripard@...nel.org, rostedt@...dmis.org, senozhatsky@...omium.org,
 simona@...ll.ch, sven@...npeter.dev, tamird@...il.com, tzimmermann@...e.de
Subject: [PATCH v3] checkpatch: remove %p4cn

%p4cn was recently removed and replaced by %p4chR in vsprintf. So,
remove the check for %p4cn from checkpatch.pl.

Fixes: 37eed892cc5f ("vsprintf: Use %p4chR instead of %p4cn for reading data in reversed host ordering")
Signed-off-by: Aditya Garg <gargaditya08@...e.com>
---
v2: Add specific check for %p4chR as suggested by Joe Perches.
v3: Remove blank lines from the tag block.

 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 44e233b6f..d5bde8322 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -6891,7 +6891,7 @@ sub process {
 					    ($extension eq "f" &&
 					     defined $qualifier && $qualifier !~ /^w/) ||
 					    ($extension eq "4" &&
-					     defined $qualifier && $qualifier !~ /^c[hnlbc]/)) {
+					     defined $qualifier && $qualifier !~ /^c(?:[hlbc]|hR)$/)) {
 						$bad_specifier = $specifier;
 						last;
 					}
-- 
2.49.0