From: Luis Chamberlain <mcgrof@kernel.org>
To: axboe@kernel.dk, jejb@linux.ibm.com, martin.petersen@oracle.com,
agk@redhat.com, snitzer@redhat.com, colyli@suse.de,
kent.overstreet@gmail.com, boris.ostrovsky@oracle.com,
jgross@suse.com, sstabellini@kernel.org, roger.pau@citrix.com,
geert@linux-m68k.org, ulf.hansson@linaro.org, tj@kernel.org,
hare@suse.de, jdike@addtoit.com, richard@nod.at,
anton.ivanov@cambridgegreys.com, johannes.berg@intel.com,
krisman@collabora.com, chris.obbard@collabora.com,
thehajime@gmail.com, zhuyifei1999@gmail.com,
haris.iqbal@ionos.com, jinpu.wang@ionos.com,
miquel.raynal@bootlin.com, vigneshr@ti.com,
linux-mtd@lists.infradead.org
Cc: linux-scsi@vger.kernel.org, dm-devel@redhat.com,
linux-bcache@vger.kernel.org, xen-devel@lists.xenproject.org,
linux-m68k@lists.linux-m68k.org, linux-um@lists.infradead.org,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
Luis Chamberlain <mcgrof@kernel.org>
Subject: [PATCH 8/9] rnbd: add error handling support for add_disk()
Date: Fri, 15 Oct 2021 16:30:27 -0700 [thread overview]
Message-ID: <20211015233028.2167651-9-mcgrof@kernel.org> (raw)
In-Reply-To: <20211015233028.2167651-1-mcgrof@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.
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---
drivers/block/rnbd/rnbd-clt.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c
index 5864c9b46cb9..3b78dc55a9a2 100644
--- a/drivers/block/rnbd/rnbd-clt.c
+++ b/drivers/block/rnbd/rnbd-clt.c
@@ -1384,8 +1384,10 @@ static void setup_request_queue(struct rnbd_clt_dev *dev)
blk_queue_write_cache(dev->queue, dev->wc, dev->fua);
}
-static void rnbd_clt_setup_gen_disk(struct rnbd_clt_dev *dev, int idx)
+static int rnbd_clt_setup_gen_disk(struct rnbd_clt_dev *dev, int idx)
{
+ int err;
+
dev->gd->major = rnbd_client_major;
dev->gd->first_minor = idx << RNBD_PART_BITS;
dev->gd->minors = 1 << RNBD_PART_BITS;
@@ -1410,7 +1412,11 @@ static void rnbd_clt_setup_gen_disk(struct rnbd_clt_dev *dev, int idx)
if (!dev->rotational)
blk_queue_flag_set(QUEUE_FLAG_NONROT, dev->queue);
- add_disk(dev->gd);
+ err = add_disk(dev->gd);
+ if (err)
+ blk_cleanup_disk(dev->gd);
+
+ return err;
}
static int rnbd_client_setup_device(struct rnbd_clt_dev *dev)
@@ -1426,8 +1432,7 @@ static int rnbd_client_setup_device(struct rnbd_clt_dev *dev)
rnbd_init_mq_hw_queues(dev);
setup_request_queue(dev);
- rnbd_clt_setup_gen_disk(dev, idx);
- return 0;
+ return rnbd_clt_setup_gen_disk(dev, idx);
}
static struct rnbd_clt_dev *init_dev(struct rnbd_clt_session *sess,
--
2.30.2
next prev parent reply other threads:[~2021-10-15 23:31 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-15 23:30 [PATCH 0/9] block: reviewed add_disk() error handling set Luis Chamberlain
2021-10-15 23:30 ` [PATCH 1/9] scsi/sd: add error handling support for add_disk() Luis Chamberlain
2021-10-17 2:51 ` Martin K. Petersen
2021-10-18 20:31 ` Luis Chamberlain
2021-10-19 2:52 ` Martin K. Petersen
2021-10-15 23:30 ` [PATCH 2/9] scsi/sr: " Luis Chamberlain
2021-10-17 2:53 ` Martin K. Petersen
2021-10-15 23:30 ` [PATCH 3/9] dm: add add_disk() error handling Luis Chamberlain
2021-10-15 23:30 ` [PATCH 4/9] bcache: add error handling support for add_disk() Luis Chamberlain
2021-10-15 23:30 ` [PATCH 5/9] xen-blkfront: " Luis Chamberlain
2021-10-15 23:30 ` [PATCH 6/9] m68k/emu/nfblock: " Luis Chamberlain
2021-10-15 23:30 ` [PATCH 7/9] um/drivers/ubd_kern: " Luis Chamberlain
2021-10-15 23:30 ` Luis Chamberlain [this message]
2021-10-15 23:30 ` [PATCH 9/9] mtd: add add_disk() error handling Luis Chamberlain
2021-10-21 3:42 ` [PATCH 0/9] block: reviewed add_disk() error handling set Martin K. Petersen
2021-10-21 15:01 ` (subset) " Jens Axboe
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