From nobody Mon Sep 15 17:47:29 2025 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 07A29C678D8 for ; Wed, 11 Jan 2023 09:36:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238711AbjAKJgR (ORCPT ); Wed, 11 Jan 2023 04:36:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33802 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232323AbjAKJey (ORCPT ); Wed, 11 Jan 2023 04:34:54 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F61F120A8 for ; Wed, 11 Jan 2023 01:33:34 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D0C6C61B19 for ; Wed, 11 Jan 2023 09:33:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A00A8C433D2; Wed, 11 Jan 2023 09:33:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673429613; bh=FR67UhswNG3QQsrxEFVbf2J5y7PVFWFRXJRJAYU9reQ=; h=From:To:Cc:Subject:Date:From; b=niWlvKyj14Pj2jqAOqXHpp3bZGkaHA/Sg9i79uII+wTB8zowpDLSK/beOv/t9drIA 55Fv1VJJAydjtU0Ixuh0kyyU5XUDCEvkEkKtdpHlfbIYWiV8PQkGSkQNqcwDAYYG2u 2Tix88jqzliQgV7FyznNfh4uCp6r192zcP6tHIzk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , "Rafael J. Wysocki" Subject: [PATCH] driver core: change to_subsys_private() to use container_of_const() Date: Wed, 11 Jan 2023 10:33:27 +0100 Message-Id: <20230111093327.3955063-1-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1496; i=gregkh@linuxfoundation.org; h=from:subject; bh=FR67UhswNG3QQsrxEFVbf2J5y7PVFWFRXJRJAYU9reQ=; b=owGbwMvMwCRo6H6F97bub03G02pJDMn7mtITO9jXPFphO/3M75uz826tPDx58tW0oMRw/uZ49nfP DD+mdMSyMAgyMciKKbJ82cZzdH/FIUUvQ9vTMHNYmUCGMHBxCsBETKMY5vu2rvfQ/HUu6crJY2nsvF PFN244r8YwP+T8HZGMj9q7Z6+56Gx+/OFtN6nkKAA= X-Developer-Key: i=gregkh@linuxfoundation.org; a=openpgp; fpr=F4B60CC5BF78C2214A313DCB3147D40DDB2DFB29 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The macro to_subsys_private() needs to switch to using container_of_const() as it turned out to being incorrectly casting a const pointer to a non-const one. Make this change and fix up the one offending user to be correctly handling a const pointer properly. Cc: "Rafael J. Wysocki" Signed-off-by: Greg Kroah-Hartman Reviewed-by: Rafael J. Wysocki --- drivers/base/base.h | 2 +- drivers/base/class.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/base/base.h b/drivers/base/base.h index 2e08258ce82e..3d1da1027206 100644 --- a/drivers/base/base.h +++ b/drivers/base/base.h @@ -53,7 +53,7 @@ struct subsys_private { struct kset glue_dirs; struct class *class; }; -#define to_subsys_private(obj) container_of(obj, struct subsys_private, su= bsys.kobj) +#define to_subsys_private(obj) container_of_const(obj, struct subsys_priva= te, subsys.kobj) =20 struct driver_private { struct kobject kobj; diff --git a/drivers/base/class.c b/drivers/base/class.c index 86ec554cfe60..3366da9c3ff6 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -64,7 +64,7 @@ static void class_release(struct kobject *kobj) =20 static const struct kobj_ns_type_operations *class_child_ns_type(const str= uct kobject *kobj) { - struct subsys_private *cp =3D to_subsys_private(kobj); + const struct subsys_private *cp =3D to_subsys_private(kobj); struct class *class =3D cp->class; =20 return class->ns_type; --=20 2.39.0