From patchwork Mon Aug 30 21:25:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Chamberlain X-Patchwork-Id: 12465963 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,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 8904EC4320E for ; Mon, 30 Aug 2021 21:26:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 71F8A60E77 for ; Mon, 30 Aug 2021 21:26:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238708AbhH3V1p (ORCPT ); Mon, 30 Aug 2021 17:27:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237713AbhH3V1I (ORCPT ); Mon, 30 Aug 2021 17:27:08 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C660FC0617AD; Mon, 30 Aug 2021 14:26:13 -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=tfundgQK1SDY1fknDZJQYjpNpg G1u4zzvbx1lH1ZSdjg08TCZpWXYwpKjbJN1LiDBgV8JotCGz6zuzU67qTKg5HiVO9KaX9vrarVgjd mFDIxg2LKMxqDgHNV46zgFdSIPFVD9VkcWX1ThxsVN/E3HVzeBQEtvmdG0IgOUXGpXuPhW6yMDGAl SC4ZBe9inzp2bmYF6StOwXF7JnuIyy/AWmezhayFvA71s40WOw6Ba8HAqtZdiCuXmCjf5cqEu+tWa Th1p3POR6SFxhrjMgWymCr4T2+vn8UmCmi8gmv8TqsmpS48rg9iEjYeLvPN+kbIyYN9EnxPoRa9f0 J3yEYavw==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mKomk-000ci8-IK; Mon, 30 Aug 2021 21:25:42 +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 v3 2/8] scsi/sr: add error handling support for add_disk() Date: Mon, 30 Aug 2021 14:25:32 -0700 Message-Id: <20210830212538.148729-3-mcgrof@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210830212538.148729-1-mcgrof@kernel.org> References: <20210830212538.148729-1-mcgrof@kernel.org> MIME-Version: 1.0 Sender: Luis Chamberlain Precedence: bulk List-ID: X-Mailing-List: linux-scsi@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 Reviewed-by: Hannes Reinecke --- 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);