linux-kernel - [PATCH 02/10] scsi/sd: add error handling support for add

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Message-Id: <20210823202930.137278-3-mcgrof@kernel.org>
Date:   Mon, 23 Aug 2021 13:29:22 -0700
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     axboe@...nel.dk, martin.petersen@...cle.com, jejb@...ux.ibm.com,
        kbusch@...nel.org, sagi@...mberg.me, adrian.hunter@...el.com,
        beanhuo@...ron.com, ulf.hansson@...aro.org, avri.altman@....com,
        swboyd@...omium.org, agk@...hat.com, snitzer@...hat.com,
        josef@...icpanda.com
Cc:     hch@...radead.org, hare@...e.de, bvanassche@....org,
        ming.lei@...hat.com, linux-scsi@...r.kernel.org,
        linux-nvme@...ts.infradead.org, linux-mmc@...r.kernel.org,
        dm-devel@...hat.com, nbd@...er.debian.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luis Chamberlain <mcgrof@...nel.org>
Subject: [PATCH 02/10] scsi/sd: add error handling support for add_disk()

We never checked for errors on add_disk() as this function
returned void. Now that this is fixed, use the shiny new
error handling.

Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>
---
 drivers/scsi/sd.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 7d5217905374..7df6f20f28ec 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3487,7 +3487,11 @@ static int sd_probe(struct device *dev)
 		pm_runtime_set_autosuspend_delay(dev,
 			sdp->host->hostt->rpm_autosuspend_delay);
 	}
-	device_add_disk(dev, gd, NULL);
+
+	error = device_add_disk(dev, gd, NULL);
+	if (error)
+		goto out_free_index;
+
 	if (sdkp->capacity)
 		sd_dif_config_host(sdkp);
 
-- 
2.30.2