block: put dev->kobj in blk_register_queue fail path
kernel needs to kobject_put on dev->kobj if elv_register_queue fails. Signed-off-by: Xiaotian Feng <dfeng@redhat.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: Nikanth Karthikesan <knikanth@suse.de> Cc: David Teigland <teigland@redhat.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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@ -511,6 +511,7 @@ int blk_register_queue(struct gendisk *disk)
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kobject_uevent(&q->kobj, KOBJ_REMOVE);
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kobject_del(&q->kobj);
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blk_trace_remove_sysfs(disk_to_dev(disk));
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kobject_put(&dev->kobj);
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return ret;
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}
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