From mboxrd@z Thu Jan 1 00:00:00 1970 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 5D814C678D4 for ; Thu, 2 Mar 2023 20:29:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230174AbjCBU3m (ORCPT ); Thu, 2 Mar 2023 15:29:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58336 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230009AbjCBU3S (ORCPT ); Thu, 2 Mar 2023 15:29:18 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A1032ED54; Thu, 2 Mar 2023 12:29:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=Bays9fkBFms7vhPJoOG9l9IJ7nM/VsUcupIDAJVjf80=; b=Bz1QvwzCl7hRI0wtSOphGbHAjd moIi7Iqb1DdJU55W/01ooclWjla3NRkjZN8KVAJTjDnBHx56pp6jV+k/vQDQHDlEEGrYiKd97L8hf ciLumPQjTGpY60IvmgF2Vhq4jHu1hyB1Sd5I5mYi26CzS2nijc5XMgeu7qQ/aDRk8PAiyFPygV9uX 6zDAhjyOF+7Gd7zpEiaaYWe+ZssvpcYMJmYAdwPvLSFQdFZ7I+qjgHnnpJ25RXsLmk0te+Fc+WTrC nB/zhVB0QfdOUAmrW8bGzZmKaXOthdUTNfbaGIEJS/3ZbCBqtLS1H2j1MJd2kdm1R54lAjRnPe8YS fmBJaTKA==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1pXpXS-003FxN-Eb; Thu, 02 Mar 2023 20:28:30 +0000 From: Luis Chamberlain To: ebiederm@xmission.com, keescook@chromium.org, yzaikin@google.com, john.johansen@canonical.com, paul@paul-moore.com, jmorris@namei.org, serge@hallyn.com, luto@amacapital.net, wad@chromium.org, dverkamp@chromium.org, paulmck@kernel.org, baihaowen@meizu.com, frederic@kernel.org, jeffxu@google.com, ebiggers@kernel.org, tytso@mit.edu, guoren@kernel.org Cc: j.granados@samsung.com, zhangpeng362@huawei.com, tangmeng@uniontech.com, willy@infradead.org, nixiaoming@huawei.com, sujiaxun@uniontech.com, patches@lists.linux.dev, linux-fsdevel@vger.kernel.org, apparmor@lists.ubuntu.com, linux-security-module@vger.kernel.org, linux-csky@vger.kernel.org, linux-kernel@vger.kernel.org, Luis Chamberlain Subject: [PATCH 08/11] kernel: pid_namespace: simplify sysctls with register_sysctl() Date: Thu, 2 Mar 2023 12:28:23 -0800 Message-Id: <20230302202826.776286-9-mcgrof@kernel.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20230302202826.776286-1-mcgrof@kernel.org> References: <20230302202826.776286-1-mcgrof@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: Luis Chamberlain Precedence: bulk List-ID: register_sysctl_paths() is only required if your child (directories) have entries and pid_namespace does not. So use register_sysctl_init() instead where we don't care about the return value and use register_sysctl() where we do. Signed-off-by: Luis Chamberlain --- kernel/pid_namespace.c | 3 +-- kernel/pid_sysctl.h | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c index 46e0d5a3f91f..b43eee07b00c 100644 --- a/kernel/pid_namespace.c +++ b/kernel/pid_namespace.c @@ -314,7 +314,6 @@ static struct ctl_table pid_ns_ctl_table[] = { }, { } }; -static struct ctl_path kern_path[] = { { .procname = "kernel", }, { } }; #endif /* CONFIG_CHECKPOINT_RESTORE */ int reboot_pid_ns(struct pid_namespace *pid_ns, int cmd) @@ -473,7 +472,7 @@ static __init int pid_namespaces_init(void) pid_ns_cachep = KMEM_CACHE(pid_namespace, SLAB_PANIC | SLAB_ACCOUNT); #ifdef CONFIG_CHECKPOINT_RESTORE - register_sysctl_paths(kern_path, pid_ns_ctl_table); + register_sysctl_init("kernel", pid_ns_ctl_table); #endif register_pid_ns_sysctl_table_vm(); diff --git a/kernel/pid_sysctl.h b/kernel/pid_sysctl.h index e22d072e1e24..d67a4d45bb42 100644 --- a/kernel/pid_sysctl.h +++ b/kernel/pid_sysctl.h @@ -46,10 +46,9 @@ static struct ctl_table pid_ns_ctl_table_vm[] = { }, { } }; -static struct ctl_path vm_path[] = { { .procname = "vm", }, { } }; static inline void register_pid_ns_sysctl_table_vm(void) { - register_sysctl_paths(vm_path, pid_ns_ctl_table_vm); + register_sysctl("vm", pid_ns_ctl_table_vm); } #else static inline void initialize_memfd_noexec_scope(struct pid_namespace *ns) {} -- 2.39.1