diff mbox series

[v2,10/13] mtd/ubi/block: add error handling support for add_disk()

Message ID 20211103122157.1215783-11-mcgrof@kernel.org (mailing list archive)
State New, archived
Headers show
Series block: add_disk() error handling stragglers | expand

Commit Message

Luis Chamberlain Nov. 3, 2021, 12:21 p.m. UTC
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@kernel.org>
---
 drivers/mtd/ubi/block.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

Comments

Christoph Hellwig Nov. 3, 2021, 4:07 p.m. UTC | #1
On Wed, Nov 03, 2021 at 05:21:54AM -0700, Luis Chamberlain wrote:
> We never checked for errors on add_disk() as this function
> returned void. Now that this is fixed, use the shiny new
> error handling.

Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>
diff mbox series

Patch

diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
index e003b4b44ffa..062e6c2c45f5 100644
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c
@@ -447,12 +447,18 @@  int ubiblock_create(struct ubi_volume_info *vi)
 	list_add_tail(&dev->list, &ubiblock_devices);
 
 	/* Must be the last step: anyone can call file ops from now on */
-	add_disk(dev->gd);
+	ret = add_disk(dev->gd);
+	if (ret)
+		goto out_destroy_wq;
+
 	dev_info(disk_to_dev(dev->gd), "created from ubi%d:%d(%s)",
 		 dev->ubi_num, dev->vol_id, vi->name);
 	mutex_unlock(&devices_mutex);
 	return 0;
 
+out_destroy_wq:
+	list_del(&dev->list);
+	destroy_workqueue(dev->wq);
 out_remove_minor:
 	idr_remove(&ubiblock_minor_idr, gd->first_minor);
 out_cleanup_disk: