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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B313EC46473 for ; Sat, 11 Aug 2018 13:50:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6B43B21A1C for ; Sat, 11 Aug 2018 13:50:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6B43B21A1C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727662AbeHKQYa (ORCPT ); Sat, 11 Aug 2018 12:24:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:39966 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727627AbeHKQYa (ORCPT ); Sat, 11 Aug 2018 12:24:30 -0400 Received: from gandalf.local.home (cpe-66-24-56-78.stny.res.rr.com [66.24.56.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CBD6C21A2E; Sat, 11 Aug 2018 13:50:14 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.91) (envelope-from ) id 1foUHV-00068k-Qy; Sat, 11 Aug 2018 09:50:13 -0400 Message-Id: <20180811135013.733694526@goodmis.org> User-Agent: quilt/0.65 Date: Sat, 11 Aug 2018 09:49:45 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Kees Cook , Zubin Mithra Subject: [for-next][PATCH 17/34] tracefs: Annotate tracefs_ops with __ro_after_init References: <20180811134928.034373761@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Zubin Mithra tracefs_ops is initialized inside tracefs_create_instance_dir and not modified after. tracefs_create_instance_dir allows for initialization only once, and is called from create_trace_instances(marked __init), which is called from tracer_init_tracefs(marked __init). Also, mark tracefs_create_instance_dir as __init. Link: http://lkml.kernel.org/r/20180725171901.4468-1-zsm@chromium.org Reviewed-by: Kees Cook Signed-off-by: Zubin Mithra Signed-off-by: Steven Rostedt (VMware) --- fs/tracefs/inode.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c index bea8ad876bf9..7098c49f3693 100644 --- a/fs/tracefs/inode.c +++ b/fs/tracefs/inode.c @@ -53,7 +53,7 @@ static const struct file_operations tracefs_file_operations = { static struct tracefs_dir_ops { int (*mkdir)(const char *name); int (*rmdir)(const char *name); -} tracefs_ops; +} tracefs_ops __ro_after_init; static char *get_dname(struct dentry *dentry) { @@ -478,7 +478,8 @@ struct dentry *tracefs_create_dir(const char *name, struct dentry *parent) * * Returns the dentry of the instances directory. */ -struct dentry *tracefs_create_instance_dir(const char *name, struct dentry *parent, +__init struct dentry *tracefs_create_instance_dir(const char *name, + struct dentry *parent, int (*mkdir)(const char *name), int (*rmdir)(const char *name)) { -- 2.18.0