diff mbox series

[10/11] virtio_blk: add error handling support for add_disk()

Message ID 20210818144542.19305-11-hch@lst.de (mailing list archive)
State New, archived
Headers show
Series [01/11] block: add a sanity check for a live disk in del_gendisk | expand

Commit Message

Christoph Hellwig Aug. 18, 2021, 2:45 p.m. UTC
From: Luis Chamberlain <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.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---
 drivers/block/virtio_blk.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

Comments

Hannes Reinecke Aug. 20, 2021, 6:12 a.m. UTC | #1
On 8/18/21 4:45 PM, Christoph Hellwig wrote:
> From: Luis Chamberlain <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.
> 
> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
> ---
>   drivers/block/virtio_blk.c | 7 ++++++-
>   1 file changed, 6 insertions(+), 1 deletion(-)
> 
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
diff mbox series

Patch

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 767b4f72a54d..63dc121a4c43 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -875,9 +875,14 @@  static int virtblk_probe(struct virtio_device *vdev)
 	virtblk_update_capacity(vblk, false);
 	virtio_device_ready(vdev);
 
-	device_add_disk(&vdev->dev, vblk->disk, virtblk_attr_groups);
+	err = device_add_disk(&vdev->dev, vblk->disk, virtblk_attr_groups);
+	if (err)
+		goto out_cleanup_disk;
+
 	return 0;
 
+out_cleanup_disk:
+	blk_cleanup_disk(vblk->disk);
 out_free_tags:
 	blk_mq_free_tag_set(&vblk->tag_set);
 out_free_vq: