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block: put dev->kobj in blk_register_queue fail path

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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>
This commit is contained in:
Xiaotian Feng 2010-08-23 12:30:29 +02:00 committed by Jens Axboe
parent 4ee69851cd
commit c87ffbb812
1 changed files with 1 additions and 0 deletions
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block/blk-sysfs.c
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@ -511,6 +511,7 @@ int blk_register_queue(struct gendisk *disk)
kobject_uevent(&q->kobj, KOBJ_REMOVE);
kobject_del(&q->kobj);
blk_trace_remove_sysfs(disk_to_dev(disk));
kobject_put(&dev->kobj);
return ret;
}