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=-6.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,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 4B672C5DF61 for ; Thu, 7 Nov 2019 04:11:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2538A2187F for ; Thu, 7 Nov 2019 04:11:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733287AbfKGELr (ORCPT ); Wed, 6 Nov 2019 23:11:47 -0500 Received: from mga06.intel.com ([134.134.136.31]:40139 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727279AbfKGELr (ORCPT ); Wed, 6 Nov 2019 23:11:47 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Nov 2019 20:11:47 -0800 X-IronPort-AV: E=Sophos;i="5.68,276,1569308400"; d="scan'208";a="402608938" Received: from dwillia2-desk3.jf.intel.com (HELO dwillia2-desk3.amr.corp.intel.com) ([10.54.39.16]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Nov 2019 20:11:46 -0800 Subject: [PATCH 10/16] dax: Simplify root read-only definition for the 'resource' attribute From: Dan Williams To: linux-nvdimm@lists.01.org Cc: Ira Weiny , Vishal Verma , peterz@infradead.org, dave.hansen@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Date: Wed, 06 Nov 2019 19:57:29 -0800 Message-ID: <157309904959.1582359.7281180042781955506.stgit@dwillia2-desk3.amr.corp.intel.com> In-Reply-To: <157309899529.1582359.15358067933360719580.stgit@dwillia2-desk3.amr.corp.intel.com> References: <157309899529.1582359.15358067933360719580.stgit@dwillia2-desk3.amr.corp.intel.com> User-Agent: StGit/0.18-2-gc94f MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rather than update the permission in ->is_visible() set the permission directly at declaration time. Cc: Ira Weiny Cc: Vishal Verma Signed-off-by: Dan Williams --- drivers/dax/bus.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c index f3e6e00ece40..ce6d648d7670 100644 --- a/drivers/dax/bus.c +++ b/drivers/dax/bus.c @@ -309,7 +309,7 @@ static ssize_t resource_show(struct device *dev, return sprintf(buf, "%#llx\n", dev_dax_resource(dev_dax)); } -static DEVICE_ATTR_RO(resource); +static DEVICE_ATTR(resource, 0400, resource_show, NULL); static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -329,8 +329,6 @@ static umode_t dev_dax_visible(struct kobject *kobj, struct attribute *a, int n) if (a == &dev_attr_target_node.attr && dev_dax_target_node(dev_dax) < 0) return 0; - if (a == &dev_attr_resource.attr) - return 0400; return a->mode; }