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rbd: fix cleanup when trying to mount inexistent image 

Previously we didn't clean up the sysfs entry that was just
created.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Yehuda Sadeh 2011-01-07 14:58:42 -08:00 committed by Sage Weil
parent f363e45fd1
commit 766fc43973
1 changed files with 15 additions and 4 deletions
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19
drivers/block/rbd.c
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@ -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);