From nobody Tue Feb 10 01:59:56 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E22BC6FD18 for ; Fri, 31 Mar 2023 12:10:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231942AbjCaMKe (ORCPT ); Fri, 31 Mar 2023 08:10:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230112AbjCaMKc (ORCPT ); Fri, 31 Mar 2023 08:10:32 -0400 Received: from mx.sberdevices.ru (mx.sberdevices.ru [45.89.227.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C79B51C1E8 for ; Fri, 31 Mar 2023 05:10:29 -0700 (PDT) Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mx.sberdevices.ru (Postfix) with ESMTP id CE7C45FD0E; Fri, 31 Mar 2023 15:10:26 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1680264626; bh=FmwD7qi6XJRr3siHwuGZjBZVnCqsvUePCVoBN6rlnhs=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=pIDG1PNcXBRR5YZJcD3v1bmms/tmNJT8ZmRChESC3NOG6eJPjcSAh+5Sev1Mzuuzt KjEaEIxeSp3B6Ciihdk0YjWW10x1NvmQ2hA4SXJg0NXekP/mPAKQQ6H5Clauqpz0NL KPoAIFTke8/XMYIBDdKWuBBfAHS0sHar/fsWZ1OyW2yXEVLlkQBWol7CqHi+4Xfv5U tanPSHDgFWfoYPeVnmzM9TPRpfswptzOdT7VmGJYbzb7sWFv3nPw88P+fw+IPJStkR I3TsCaNEXSWg8UPxsGrO/R/EZN3YxDAmok5i6S9R0OqLcDSYc6KtpJeKIy6NcoGi/R r8aIM0c4hezTQ== Received: from S-MS-EXCH01.sberdevices.ru (S-MS-EXCH01.sberdevices.ru [172.16.1.4]) by mx.sberdevices.ru (Postfix) with ESMTP; Fri, 31 Mar 2023 15:10:25 +0300 (MSK) From: Dmitry Rokosov To: , , , , , CC: , , , Dmitry Rokosov Subject: [PATCH v4] checkpatch: introduce proper bindings license check Date: Fri, 31 Mar 2023 15:10:17 +0300 Message-ID: <20230331121017.14324-1-ddrokosov@sberdevices.ru> X-Mailer: git-send-email 2.36.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH01.sberdevices.ru (172.16.1.4) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/03/31 09:28:00 #21113278 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" All headers from 'include/dt-bindings/' must be verified by checkpatch together with Documentation bindings, because all of them are part of the whole DT bindings system. The requirement is dual licensed and matching patterns: * Schemas: /GPL-2\.0(?:-only)? (?:OR|or) BSD-2-Clause/ * Headers: /GPL-2\.0(?:-only)? (?:OR|or) \S+/ Above patterns suggested by Rob at: https://lore.kernel.org/all/CAL_Jsq+-YJsBO+LuPJ=3DZQ=3Deb-monrwzuCppvReH+af= 7hYZzNaQ@mail.gmail.com The issue was found during patch review: https://lore.kernel.org/all/20230313201259.19998-4-ddrokosov@sberdevices.ru/ Signed-off-by: Dmitry Rokosov --- Changes v4 since v3 at [3]: - introduce separate pattern for dt-bindings headers following Rob's suggestion Changes v3 since v2 at [2]: - replace 'not =3D~' expression with '!~' to be aligned with other checkpatch lines Changes v2 since v1 at [1]: - include/dt-bindings check is aligned to open parens - introduce more strict pattern for bindings license: /GPL-2\.0(?:-only|-or-later|\+)? (?:OR|or) BSD-2-Clause/ Links: [1] https://lore.kernel.org/all/20230317201621.15518-1-ddrokosov@sberde= vices.ru/ [2] https://lore.kernel.org/all/20230320100027.27788-1-ddrokosov@sberde= vices.ru/ [3] https://lore.kernel.org/all/20230320203350.13696-1-ddrokosov@sberde= vices.ru/ --- scripts/checkpatch.pl | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 78cc595b98ce..31f49bbe5458 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -3710,7 +3710,7 @@ sub process { "'$spdx_license' is not supported in LICENSES/...\n" . $herecur= r); } if ($realfile =3D~ m@^Documentation/devicetree/bindings/@ && - not $spdx_license =3D~ /GPL-2\.0.*BSD-2-Clause/) { + $spdx_license !~ /GPL-2\.0(?:-only)? (?:OR|or) BSD-2-Clause/) { my $msg_level =3D \&WARN; $msg_level =3D \&CHK if ($file); if (&{$msg_level}("SPDX_LICENSE_TAG", @@ -3720,6 +3720,11 @@ sub process { $fixed[$fixlinenr] =3D~ s/SPDX-License-Identifier: .*/SPDX-License-= Identifier: (GPL-2.0-only OR BSD-2-Clause)/; } } + if ($realfile =3D~ m@^include/dt-bindings/@ && + $spdx_license !~ /GPL-2\.0(?:-only)? (?:OR|or) \S+/) { + WARN("SPDX_LICENSE_TAG", + "DT binding headers should be licensed (GPL-2.0-only OR .*)\n" = . $herecurr); + } } } } --=20 2.36.0