From patchwork Thu Jul 16 08:47:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qinglang Miao X-Patchwork-Id: 1330068 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4B6npq5dp9z9sSt for ; Thu, 16 Jul 2020 18:43:47 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728263AbgGPInp (ORCPT ); Thu, 16 Jul 2020 04:43:45 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:51044 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725921AbgGPIno (ORCPT ); Thu, 16 Jul 2020 04:43:44 -0400 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 18DE657D27D285A20981; Thu, 16 Jul 2020 16:43:43 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Thu, 16 Jul 2020 16:43:41 +0800 From: Qinglang Miao To: Greg Kroah-Hartman , "David S. Miller" , Jakub Kicinski CC: , Subject: [PATCH -next] hsr: Convert to DEFINE_SHOW_ATTRIBUTE Date: Thu, 16 Jul 2020 16:47:28 +0800 Message-ID: <20200716084728.7944-1-miaoqinglang@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code. Signed-off-by: Qinglang Miao --- net/hsr/hsr_debugfs.c | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) diff --git a/net/hsr/hsr_debugfs.c b/net/hsr/hsr_debugfs.c index d994c83b0..ed7f53475 100644 --- a/net/hsr/hsr_debugfs.c +++ b/net/hsr/hsr_debugfs.c @@ -54,16 +54,7 @@ hsr_node_table_show(struct seq_file *sfp, void *data) return 0; } -/* hsr_node_table_open - Open the node_table file - * - * Description: - * This routine opens a debugfs file node_table of specific hsr device - */ -static int -hsr_node_table_open(struct inode *inode, struct file *filp) -{ - return single_open(filp, hsr_node_table_show, inode->i_private); -} +DEFINE_SHOW_ATTRIBUTE(hsr_node_table); void hsr_debugfs_rename(struct net_device *dev) { @@ -78,13 +69,6 @@ void hsr_debugfs_rename(struct net_device *dev) priv->node_tbl_root = d; } -static const struct file_operations hsr_fops = { - .open = hsr_node_table_open, - .read_iter = seq_read_iter, - .llseek = seq_lseek, - .release = single_release, -}; - /* hsr_debugfs_init - create hsr node_table file for dumping * the node table * @@ -106,7 +90,7 @@ void hsr_debugfs_init(struct hsr_priv *priv, struct net_device *hsr_dev) de = debugfs_create_file("node_table", S_IFREG | 0444, priv->node_tbl_root, priv, - &hsr_fops); + &hsr_node_table_fops); if (IS_ERR(de)) { pr_err("Cannot create hsr node_table file\n"); debugfs_remove(priv->node_tbl_root);