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Message-Id: <20210902174105.2418771-8-mcgrof@kernel.org>
Date:   Thu,  2 Sep 2021 10:41:03 -0700
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     axboe@...nel.dk, gregkh@...uxfoundation.org,
        chaitanya.kulkarni@....com, atulgopinathan@...il.com, hare@...e.de,
        maximlevitsky@...il.com, oakad@...oo.com, ulf.hansson@...aro.org,
        colin.king@...onical.com, shubhankarvk@...il.com,
        baijiaju1990@...il.com, trix@...hat.com,
        dongsheng.yang@...ystack.cn, ceph-devel@...r.kernel.org,
        miquel.raynal@...tlin.com, richard@....at, vigneshr@...com,
        sth@...ux.ibm.com, hoeppner@...ux.ibm.com, hca@...ux.ibm.com,
        gor@...ux.ibm.com, borntraeger@...ibm.com, oberpar@...ux.ibm.com,
        tj@...nel.org
Cc:     linux-s390@...r.kernel.org, linux-mtd@...ts.infradead.org,
        linux-mmc@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, Luis Chamberlain <mcgrof@...nel.org>
Subject: [PATCH 7/9] s390/block/dcssblk: 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/s390/block/dcssblk.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 5be3d1c39a78..b0fd5009a12e 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -696,7 +696,9 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
 	}
 
 	get_device(&dev_info->dev);
-	device_add_disk(&dev_info->dev, dev_info->gd, NULL);
+	rc = device_add_disk(&dev_info->dev, dev_info->gd, NULL);
+	if (rc)
+		goto put_dev;
 
 	switch (dev_info->segment_type) {
 		case SEG_TYPE_SR:
-- 
2.30.2

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