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block, blk-sysfs: Fix an err return path in blk_register_queue()

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commit ed5302d3c2 upstream.

We do not call blk_trace_remove_sysfs() in err return path
if kobject_add() fails. This path fixes it.

Signed-off-by: Liu Yuan <tailai.ly@taobao.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Liu Yuan 2011-04-19 13:47:58 +02:00 committed by Greg Kroah-Hartman
parent ed11df0aba
commit 752bdca003
1 changed files with 3 additions and 1 deletions
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4
block/blk-sysfs.c
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@ -440,8 +440,10 @@ int blk_register_queue(struct gendisk *disk)
return ret;
ret = kobject_add(&q->kobj, kobject_get(&dev->kobj), "%s", "queue");
if (ret < 0)
if (ret < 0) {
blk_trace_remove_sysfs(dev);
return ret;
}
kobject_uevent(&q->kobj, KOBJ_ADD);