linux-kernel - [PATCH 4/6] kbuild: uapi: upgrade warning on asm/types.h inclusion to error

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Message-Id: <20250812-kbuild-hdrtest-fixes-v1-4-7ad2af66cd58@linutronix.de>
Date: Tue, 12 Aug 2025 07:33:07 +0200
From: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
To: Nathan Chancellor <nathan@...nel.org>, 
 Nicolas Schier <nicolas.schier@...ux.dev>
Cc: linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Subject: [PATCH 4/6] kbuild: uapi: upgrade warning on asm/types.h inclusion
 to error

No usages of '#include <asm/types.h> in the UAPI headers exist anymore.

Make sure it stays this way.

Add a semicolon to the end of the previous printf call to keep the
syntax valid.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
---
 usr/include/headers_check.pl | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/usr/include/headers_check.pl b/usr/include/headers_check.pl
index 2b70bfa5558e64518808a22f2f926291da6e47a9..36307a137cc1e109e3e1c253f66f3e5935499fc8 100755
--- a/usr/include/headers_check.pl
+++ b/usr/include/headers_check.pl
@@ -98,9 +98,8 @@ sub check_asm_types
 	if ($line =~ m/^\s*#\s*include\s+<asm\/types.h>/) {
 		$linux_asm_types = 1;
 		printf STDERR "$filename:$lineno: " .
-		"include of <linux/types.h> is preferred over <asm/types.h>\n"
-		# Warn until headers are all fixed
-		#$ret = 1;
+		"include of <linux/types.h> is preferred over <asm/types.h>\n";
+		$ret = 1;
 	}
 }
 

-- 
2.50.1