From: Luis Chamberlain <mcgrof@kernel.org>
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: 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 <hch@lst.de>,
Luis Chamberlain <mcgrof@kernel.org>
Subject: [dm-devel] [PATCH v2 5/6] loop: add error handling support for add_disk()
Date: Fri, 27 Aug 2021 12:05:03 -0700 [thread overview]
Message-ID: <20210827190504.3103362-6-mcgrof@kernel.org> (raw)
In-Reply-To: <20210827190504.3103362-1-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.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---
drivers/block/loop.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index fa1c298a8cfb..b8b9e2349e77 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -2393,10 +2393,17 @@ static int loop_add(int i)
disk->events = DISK_EVENT_MEDIA_CHANGE;
disk->event_flags = DISK_EVENT_FLAG_UEVENT;
sprintf(disk->disk_name, "loop%d", i);
- add_disk(disk);
+
+ err = add_disk(disk);
+ if (err)
+ goto out_cleanup_disk;
+
mutex_unlock(&loop_ctl_mutex);
+
return i;
+out_cleanup_disk:
+ blk_cleanup_disk(disk);
out_cleanup_tags:
blk_mq_free_tag_set(&lo->tag_set);
out_free_idr:
--
2.30.2
--
dm-devel mailing list
dm-devel@redhat.com
https://listman.redhat.com/mailman/listinfo/dm-devel
next prev parent reply other threads:[~2021-08-27 19:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-27 19:04 [dm-devel] [PATCH v2 0/6] block: first batch of add_disk() error handling conversions Luis Chamberlain
2021-08-27 19:04 ` [dm-devel] [PATCH v2 1/6] scsi/sd: add error handling support for add_disk() Luis Chamberlain
2021-08-27 19:05 ` [dm-devel] [PATCH v2 2/6] scsi/sr: " Luis Chamberlain
2021-08-27 19:05 ` [dm-devel] [PATCH v2 3/6] nvme: " Luis Chamberlain
2021-08-28 7:11 ` Christoph Hellwig
2021-08-27 19:05 ` [dm-devel] [PATCH v2 4/6] md: " Luis Chamberlain
2021-08-27 19:05 ` Luis Chamberlain [this message]
2021-08-27 19:05 ` [dm-devel] [PATCH v2 6/6] nbd: " Luis Chamberlain
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