From patchwork Fri Aug 27 19:05:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Chamberlain X-Patchwork-Id: 12462735 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=-17.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 3304CC4320A for ; Fri, 27 Aug 2021 19:05:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0BB8760FE6 for ; Fri, 27 Aug 2021 19:05:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231267AbhH0TGd (ORCPT ); Fri, 27 Aug 2021 15:06:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56522 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231136AbhH0TGY (ORCPT ); Fri, 27 Aug 2021 15:06:24 -0400 Received: from bombadil.infradead.org (unknown [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 81A5FC061757; Fri, 27 Aug 2021 12:05:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=vjDH1jMfJBrZv4rfw/hLobkpUNKwZF7oRRD315NfMik=; b=UDpH5nMZgW9+w1jqkAOyg/yykO b/eQOyxSjD/FSHNDKdHeqsqWQOpYPAl2Iv6eXeGvoqKvUOIgzlWNOLds/Xy4C5s+45Jps7Dou3QhW nFbid6hD4iB7/hhkXH8WuBz8zN2YYTRTT6VD2074+UjhTecWpY74m6EEUm59vU7DLkvkIehNY56Tg HWSM4TNMIdtPiOLovMVPSUG+1vlEHWymw+H94k5Gd871cf9CNO19EcNNhOsWogeBHcGFxEDTsSAir HULNmNKF8+Mv11Q04qzjOXRg/RHI+fARzJplvvCAAUSJYj8zI5TsYx8wTMpIla2dh3e6/+V5+Spay Z3/aB1NQ==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mJhA1-00D1L3-8t; Fri, 27 Aug 2021 19:05:05 +0000 From: Luis Chamberlain To: axboe@kernel.dk, martin.petersen@oracle.com, jejb@linux.ibm.com, kbusch@kernel.org, sagi@grimberg.me, adrian.hunter@intel.com, beanhuo@micron.com, ulf.hansson@linaro.org, avri.altman@wdc.com, swboyd@chromium.org, agk@redhat.com, snitzer@redhat.com, josef@toxicpanda.com Cc: hch@infradead.org, hare@suse.de, bvanassche@acm.org, ming.lei@redhat.com, linux-scsi@vger.kernel.org, linux-nvme@lists.infradead.org, linux-mmc@vger.kernel.org, dm-devel@redhat.com, nbd@other.debian.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Luis Chamberlain , Christoph Hellwig Subject: [PATCH v2 2/6] scsi/sr: add error handling support for add_disk() Date: Fri, 27 Aug 2021 12:05:00 -0700 Message-Id: <20210827190504.3103362-3-mcgrof@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210827190504.3103362-1-mcgrof@kernel.org> References: <20210827190504.3103362-1-mcgrof@kernel.org> MIME-Version: 1.0 Sender: Luis Chamberlain Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org We never checked for errors on add_disk() as this function returned void. Now that this is fixed, use the shiny new error handling. Reviewed-by: Christoph Hellwig Signed-off-by: Luis Chamberlain --- drivers/scsi/sr.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 2942a4ec9bdd..72fd21844367 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -779,7 +779,10 @@ static int sr_probe(struct device *dev) dev_set_drvdata(dev, cd); disk->flags |= GENHD_FL_REMOVABLE; sr_revalidate_disk(cd); - device_add_disk(&sdev->sdev_gendev, disk, NULL); + + error = device_add_disk(&sdev->sdev_gendev, disk, NULL); + if (error) + goto fail_minor; sdev_printk(KERN_DEBUG, sdev, "Attached scsi CD-ROM %s\n", cd->cdi.name);