diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/rbd.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 008d4a00b50d..e1e38b11f48a 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -1790,18 +1790,29 @@ static ssize_t rbd_add(struct bus_type *bus, const char *buf, size_t count) rc = rbd_bus_add_dev(rbd_dev); if (rc) - goto err_out_disk; + goto err_out_blkdev; + /* set up and announce blkdev mapping */ rc = rbd_init_disk(rbd_dev); if (rc) - goto err_out_blkdev; + goto err_out_bus; return count; +err_out_bus: + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); + list_del_init(&rbd_dev->node); + mutex_unlock(&ctl_mutex); + + /* this will also clean up rest of rbd_dev stuff */ + + rbd_bus_del_dev(rbd_dev); + kfree(options); + kfree(mon_dev_name); + return rc; + err_out_blkdev: unregister_blkdev(rbd_dev->major, rbd_dev->name); -err_out_disk: - rbd_free_disk(rbd_dev); err_out_client: rbd_put_client(rbd_dev); mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); |