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Fri, 27 Aug 2021 15:05:34 -0400 X-MC-Unique: cVCsc0ZpPlKSQQw0-tQeuA-1 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 Date: Fri, 27 Aug 2021 12:05:00 -0700 Message-Id: <20210827190504.3103362-3-mcgrof@kernel.org> In-Reply-To: <20210827190504.3103362-1-mcgrof@kernel.org> References: <20210827190504.3103362-1-mcgrof@kernel.org> MIME-Version: 1.0 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-loop: dm-devel@redhat.com Cc: linux-block@vger.kernel.org, bvanassche@acm.org, linux-scsi@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, ming.lei@redhat.com, hch@infradead.org, dm-devel@redhat.com, nbd@other.debian.org, Christoph Hellwig , Luis Chamberlain Subject: [dm-devel] [PATCH v2 2/6] scsi/sr: add error handling support for add_disk() X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com 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);