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md: centralise all freeing of an 'mddev' in 'md_free'

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md_free is the .release handler for the md kobj_type.
So it makes sense to release all the objects referenced by
the mddev in there, rather than just prior to calling kobject_put
for what we think is the last time.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2009-01-09 08:31:09 +11:00
parent 8b76539823
commit a21d15042d
1 changed files with 11 additions and 9 deletions
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20
drivers/md/md.c
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@ -221,12 +221,6 @@ static void mddev_put(mddev_t *mddev)
if (!mddev->raid_disks && list_empty(&mddev->disks)) {
list_del(&mddev->all_mddevs);
spin_unlock(&all_mddevs_lock);
if (mddev->queue)
blk_cleanup_queue(mddev->queue);
mddev->queue = NULL;
if (mddev->sysfs_state)
sysfs_put(mddev->sysfs_state);
mddev->sysfs_state = NULL;
kobject_put(&mddev->kobj);
} else
spin_unlock(&all_mddevs_lock);
@ -3451,6 +3445,17 @@ md_attr_store(struct kobject *kobj, struct attribute *attr,
static void md_free(struct kobject *ko)
{
mddev_t *mddev = container_of(ko, mddev_t, kobj);
if (mddev->sysfs_state)
sysfs_put(mddev->sysfs_state);
if (mddev->gendisk) {
del_gendisk(mddev->gendisk);
put_disk(mddev->gendisk);
}
if (mddev->queue)
blk_cleanup_queue(mddev->queue);
kfree(mddev);
}
@ -6435,9 +6440,6 @@ static __exit void md_exit(void)
if (!disk)
continue;
export_array(mddev);
del_gendisk(disk);
put_disk(disk);
mddev->gendisk = NULL;
mddev_put(mddev);
}
}