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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 ED80FC433FF for ; Tue, 6 Aug 2019 14:45:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C34F4216F4 for ; Tue, 6 Aug 2019 14:45:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565102721; bh=OlzchSyzpfZZvUBliJZhV89r2LswcZ3288cZR19mPlg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=AQllQzEfjGK3HRw096XmHBcRraYcC4IdtQKDnqZF0OHIMxTm04rzzU/Pf/uVBVaQ8 1sAFb5Gq/QjC+i62ouLX28+aIdhdKODDHkgXx5xzWrgrSxzi6M5oliRXEev4BFIbBk j6ekIbnhAXssRyId/dMvtOITVNvNuXFXYvRuVCyA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733076AbfHFOpV (ORCPT ); Tue, 6 Aug 2019 10:45:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:45916 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733066AbfHFOpV (ORCPT ); Tue, 6 Aug 2019 10:45:21 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 6359F214C6; Tue, 6 Aug 2019 14:45:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565102719; bh=OlzchSyzpfZZvUBliJZhV89r2LswcZ3288cZR19mPlg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jWnRuePtMBkqEfgVddVuL3FNs0xQrpVzEBMqGJ8W9rTt/+cIjKpLSUjl97nUcLwkP dyxU+X8SvFlPwabWQ12nyapc6D3TNgNRVVzq3R/2lwHeEhUJ+d1ex6scz9LzRCkJ2D 3ul8FzBbs2mw6fN/kQSAJvj4/ZDWYZToxDwqamuc= From: Greg Kroah-Hartman To: linux-usb@vger.kernel.org Cc: Greg Kroah-Hartman , Valentina Manea , Shuah Khan Subject: [PATCH 12/12] USB: usbip: convert to use dev_groups Date: Tue, 6 Aug 2019 16:45:02 +0200 Message-Id: <20190806144502.17792-13-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190806144502.17792-1-gregkh@linuxfoundation.org> References: <20190806144502.17792-1-gregkh@linuxfoundation.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org USB drivers now support the ability for the driver core to handle the creation and removal of device-specific sysfs files in a race-free manner. Take advantage of that by converting the driver to use this by moving the sysfs attributes into a group and assigning the dev_groups pointer to it. Cc: Valentina Manea Cc: Shuah Khan Signed-off-by: Greg Kroah-Hartman --- drivers/usb/usbip/stub_dev.c | 50 ++++++------------------------------ 1 file changed, 8 insertions(+), 42 deletions(-) diff --git a/drivers/usb/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c index 7931e6cecc70..2305d425e6c9 100644 --- a/drivers/usb/usbip/stub_dev.c +++ b/drivers/usb/usbip/stub_dev.c @@ -106,38 +106,13 @@ static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *a } static DEVICE_ATTR_WO(usbip_sockfd); -static int stub_add_files(struct device *dev) -{ - int err = 0; - - err = device_create_file(dev, &dev_attr_usbip_status); - if (err) - goto err_status; - - err = device_create_file(dev, &dev_attr_usbip_sockfd); - if (err) - goto err_sockfd; - - err = device_create_file(dev, &dev_attr_usbip_debug); - if (err) - goto err_debug; - - return 0; - -err_debug: - device_remove_file(dev, &dev_attr_usbip_sockfd); -err_sockfd: - device_remove_file(dev, &dev_attr_usbip_status); -err_status: - return err; -} - -static void stub_remove_files(struct device *dev) -{ - device_remove_file(dev, &dev_attr_usbip_status); - device_remove_file(dev, &dev_attr_usbip_sockfd); - device_remove_file(dev, &dev_attr_usbip_debug); -} +static struct attribute *usbip_attrs[] = { + &dev_attr_usbip_status.attr, + &dev_attr_usbip_sockfd.attr, + &dev_attr_usbip_debug.attr, + NULL, +}; +ATTRIBUTE_GROUPS(usbip); static void stub_shutdown_connection(struct usbip_device *ud) { @@ -379,17 +354,8 @@ static int stub_probe(struct usb_device *udev) goto err_port; } - rc = stub_add_files(&udev->dev); - if (rc) { - dev_err(&udev->dev, "stub_add_files for %s\n", udev_busid); - goto err_files; - } - return 0; -err_files: - usb_hub_release_port(udev->parent, udev->portnum, - (struct usb_dev_state *) udev); err_port: dev_set_drvdata(&udev->dev, NULL); usb_put_dev(udev); @@ -457,7 +423,6 @@ static void stub_disconnect(struct usb_device *udev) /* * NOTE: rx/tx threads are invoked for each usb_device. */ - stub_remove_files(&udev->dev); /* release port */ rc = usb_hub_release_port(udev->parent, udev->portnum, @@ -526,4 +491,5 @@ struct usb_device_driver stub_driver = { .resume = stub_resume, #endif .supports_autosuspend = 0, + .dev_groups = usbip_groups, }; -- 2.22.0