linux-kernel - [PATCH] checkpatch: filter null file for dt-binding check

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Date: Wed, 19 Jun 2024 14:17:09 +0800
From: Zong Li <zong.li@...ive.com>
To: apw@...onical.com,
	joe@...ches.com,
	dwaipayanray1@...il.com,
	lukas.bulwahn@...il.com,
	robh@...nel.org,
	linux-kernel@...r.kernel.org
Cc: Zong Li <zong.li@...ive.com>
Subject: [PATCH] checkpatch: filter null file for dt-binding check

When removing a dt-bindings, checkpatch will catch the 'dev/null' file,
and think there is a non-dt-binding file. It causes fail because
/dev/null is not a dt-bindings

Signed-off-by: Zong Li <zong.li@...ive.com>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 2b812210b412..ac59a48162d2 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2896,7 +2896,7 @@ sub process {
 			}
 			$checklicenseline = 1;
 
-			if ($realfile !~ /^MAINTAINERS/) {
+			if (($realfile !~ /^MAINTAINERS/) && ($realfile !~ /^dev\/null$/)) {
 				my $last_binding_patch = $is_binding_patch;
 
 				$is_binding_patch = () = $realfile =~ m@^(?:Documentation/devicetree/|include/dt-bindings/)@;
-- 
2.17.1