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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 D1DF1C3A5A0 for ; Sat, 18 Apr 2020 18:57:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BA44D21D93 for ; Sat, 18 Apr 2020 18:57:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728014AbgDRS5Z (ORCPT ); Sat, 18 Apr 2020 14:57:25 -0400 Received: from smtprelay0003.hostedemail.com ([216.40.44.3]:57188 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726086AbgDRS5Y (ORCPT ); Sat, 18 Apr 2020 14:57:24 -0400 Received: from filter.hostedemail.com (clb03-v110.bra.tucows.net [216.40.38.60]) by smtprelay05.hostedemail.com (Postfix) with ESMTP id AB7DD1801C62B; Sat, 18 Apr 2020 18:57:23 +0000 (UTC) X-Session-Marker: 6A6F6540706572636865732E636F6D X-HE-Tag: oven32_22ec242d00d03 X-Filterd-Recvd-Size: 2832 Received: from XPS-9350.home (unknown [47.151.136.130]) (Authenticated sender: joe@perches.com) by omf13.hostedemail.com (Postfix) with ESMTPA; Sat, 18 Apr 2020 18:57:19 +0000 (UTC) Message-ID: Subject: Re: [PATCH 7/9] drivers/base: fix empty-body warnings in devcoredump.c From: Joe Perches To: Randy Dunlap , Matthew Wilcox Cc: linux-kernel@vger.kernel.org, Linus Torvalds , Andrew Morton , Alexander Viro , linux-fsdevel@vger.kernel.org, Dmitry Torokhov , linux-input@vger.kernel.org, Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org, Greg Kroah-Hartman , linux-usb@vger.kernel.org, "J. Bruce Fields" , Chuck Lever , linux-nfs@vger.kernel.org, Johannes Berg , Dan Williams , Vishal Verma , Dave Jiang , linux-nvdimm@lists.01.org, "Martin K. Petersen" , linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, Zzy Wysm Date: Sat, 18 Apr 2020 11:55:05 -0700 In-Reply-To: References: <20200418184111.13401-1-rdunlap@infradead.org> <20200418184111.13401-8-rdunlap@infradead.org> <20200418185033.GQ5820@bombadil.infradead.org> Content-Type: text/plain; charset="ISO-8859-1" User-Agent: Evolution 3.34.1-2 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org On Sat, 2020-04-18 at 11:53 -0700, Randy Dunlap wrote: > On 4/18/20 11:50 AM, Matthew Wilcox wrote: > > On Sat, Apr 18, 2020 at 11:41:09AM -0700, Randy Dunlap wrote: > > > @@ -294,11 +295,11 @@ void dev_coredumpm(struct device *dev, s > > > > > > if (sysfs_create_link(&devcd->devcd_dev.kobj, &dev->kobj, > > > "failing_device")) > > > - /* nothing - symlink will be missing */; > > > + do_empty(); /* nothing - symlink will be missing */ > > > > > > if (sysfs_create_link(&dev->kobj, &devcd->devcd_dev.kobj, > > > "devcoredump")) > > > - /* nothing - symlink will be missing */; > > > + do_empty(); /* nothing - symlink will be missing */ > > > > > > INIT_DELAYED_WORK(&devcd->del_wk, devcd_del); > > > schedule_delayed_work(&devcd->del_wk, DEVCD_TIMEOUT); > > > > Could just remove the 'if's? > > > > + sysfs_create_link(&devcd->devcd_dev.kobj, &dev->kobj, > > + "failing_device"); > > > > OK. sysfs_create_link is __must_check