From nobody Thu Apr 9 13:32:58 2026 Received: from ewsoutbound.kpnmail.nl (ewsoutbound.kpnmail.nl [195.121.94.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0A37E2E1C63 for ; Mon, 2 Mar 2026 16:31:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.121.94.186 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772469107; cv=none; b=qLqlBw6acdTO2YEmQFXMx0YjssEC7d2MpsVURlX8n2xOMj+Yu+nadEphVXBt3KEm3q5NnOYu0wNs8l+P4xZ5DktsZdu4nyK1xCzVm1exwqSefaP8U7g8QENL99pTRrbqZyFaNbGLPRKlKQR0GNqiCvoK9vUmlwGYiz7LNhtIfHE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772469107; c=relaxed/simple; bh=P4rOubtCaGZlgRSb8+3lpXYms/AYdxc//yZt17X5Zew=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=p/BAeeJDslnUEQbDJWNLsSBMAku+ftf4SKe/3lfN89eK57rxym3BSpb5wNyKh3XT9+XSuODtqfO62vWH3ya8ZGYiKEOv7qZnPNb929dKpe4A7A1tsQ1/gZNxIzE8Li+teCXEy/cqFc8oQHeft/znmZAqw4HMXiAyqz57L623vy8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=xs4all.nl; spf=pass smtp.mailfrom=xs4all.nl; dkim=pass (2048-bit key) header.d=xs4all.nl header.i=@xs4all.nl header.b=tqiC1kBA; arc=none smtp.client-ip=195.121.94.186 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=xs4all.nl Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=xs4all.nl Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=xs4all.nl header.i=@xs4all.nl header.b="tqiC1kBA" X-KPN-MessageId: 4c42a8a9-1655-11f1-89dd-00505699b430 Received: from smtp.kpnmail.nl (unknown [10.31.155.5]) by ewsoutbound.so.kpn.org (Halon) with ESMTPS id 4c42a8a9-1655-11f1-89dd-00505699b430; Mon, 02 Mar 2026 17:31:43 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xs4all.nl; s=xs4all01; h=mime-version:message-id:date:subject:to:from; bh=uv4xJca8PPZf+nyfQ5HaQjGv+TxEb27Mz7Q/HmxfOFI=; b=tqiC1kBAfG8krb4AKKmcUt+1/nCp4mj6xs3ZzzOfjPmiGLqTjXN+oAgSk1lMtt98nUAdnB88BZmjV 2T7oq73tVK5RWqy3atpg/DqRgr/BtVU32iOlzvAg7AguHxFjHgoV5iQ8LBN0WuNfle5hyPGVZZjWbI TsBjcMSDa+S7gMKFrdsze1XirGRRnm3I+I72r6bpkHP1eTm4RrmC0w8TWqhiwI03QmMs9XJ4qXsFav nMlOtK/kycQF4xZN2jBfdS/TqebjRsVknHkbhdKahx5k1F6RZ4GEW5pRTE4JInGuXBbYZ8rIlm8QdE 38dYBzyYOWemmf1albfIHTr0W0kqjOw== X-KPN-MID: 33|pKzzVQRx4+6a5NpdfrCkcE7M1dUWULlBXHVHFmQuAGr5EnBj25ZLemq5XL4iKhm oOu5sq29NHyvG1xoyzJQcTh74kn6/8B69o1VIYJvONj0= X-KPN-VerifiedSender: Yes X-CMASSUN: 33|Sn94fXtjpjv2SU2SXg5YQYK4FCDDsgd+G5iqO9W0UZCpGOLgtqupMFnzdedrZh5 naVxryKMaeEcQy1muhY6BCw== Received: from daedalus.home (unknown [178.225.116.246]) by smtp.xs4all.nl (Halon) with ESMTPSA id 488ee769-1655-11f1-8d40-00505699b758; Mon, 02 Mar 2026 17:31:43 +0100 (CET) From: Jori Koolstra To: Alexandra Winter Cc: Jori Koolstra , Greg Kroah-Hartman , netdev@vger.kernel.org (open list:DIBS (DIRECT INTERNAL BUFFER SHARING)), linux-kernel@vger.kernel.org (open list) Subject: [PATCH] dibs: change dibs_class to a const struct Date: Mon, 2 Mar 2026 17:31:03 +0100 Message-ID: <20260302163103.3324304-1-jkoolstra@xs4all.nl> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The class_create() call has been deprecated in favor of class_register() as the driver core now allows for a struct class to be in read-only memory. Change dibs_class to be a const struct class and drop the class_create() call. Suggested-by: Greg Kroah-Hartman Signed-off-by: Jori Koolstra Reviewed-by: Alexandra Winter Reviewed-by: Greg Kroah-Hartman --- drivers/dibs/dibs_main.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/dibs/dibs_main.c b/drivers/dibs/dibs_main.c index f1816361b74d..14c3e2d84902 100644 --- a/drivers/dibs/dibs_main.c +++ b/drivers/dibs/dibs_main.c @@ -19,7 +19,9 @@ MODULE_DESCRIPTION("Direct Internal Buffer Sharing class"); MODULE_LICENSE("GPL"); =20 -static struct class *dibs_class; +static const struct class dibs_class =3D { + .name =3D "dibs", +}; =20 /* use an array rather a list for fast mapping: */ static struct dibs_client *clients[MAX_DIBS_CLIENTS]; @@ -137,7 +139,7 @@ struct dibs_dev *dibs_dev_alloc(void) if (!dibs) return dibs; dibs->dev.release =3D dibs_dev_release; - dibs->dev.class =3D dibs_class; + dibs->dev.class =3D &dibs_class; device_initialize(&dibs->dev); =20 return dibs; @@ -253,9 +255,9 @@ static int __init dibs_init(void) { int rc; =20 - dibs_class =3D class_create("dibs"); - if (IS_ERR(dibs_class)) - return PTR_ERR(dibs_class); + rc =3D class_register(&dibs_class); + if (rc) + return rc; =20 rc =3D dibs_loopback_init(); if (rc) @@ -267,7 +269,7 @@ static int __init dibs_init(void) static void __exit dibs_exit(void) { dibs_loopback_exit(); - class_destroy(dibs_class); + class_unregister(&dibs_class); } =20 subsys_initcall(dibs_init); base-commit: d466c332e106fe666d1e2f5a24d08e308bebbfa1 --=20 2.53.0