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dm: tidy local_init 

This patch tidies local_init() in preparation for request-based dm.
No functional change.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Kiyoshi Ueda 2008-10-21 17:45:08 +01:00 committed by Alasdair G Kergon
parent f431d9666f
commit 51157b4ab4
1 changed files with 17 additions and 17 deletions
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34
drivers/md/dm.c
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@ -150,40 +150,40 @@ static struct kmem_cache *_tio_cache;
static int __init local_init(void)
{
int r;
int r = -ENOMEM;
/* allocate a slab for the dm_ios */
_io_cache = KMEM_CACHE(dm_io, 0);
if (!_io_cache)
return -ENOMEM;
return r;
/* allocate a slab for the target ios */
_tio_cache = KMEM_CACHE(dm_target_io, 0);
if (!_tio_cache) {
kmem_cache_destroy(_io_cache);
return -ENOMEM;
}
if (!_tio_cache)
goto out_free_io_cache;
r = dm_uevent_init();
if (r) {
kmem_cache_destroy(_tio_cache);
kmem_cache_destroy(_io_cache);
return r;
}
if (r)
goto out_free_tio_cache;
_major = major;
r = register_blkdev(_major, _name);
if (r < 0) {
kmem_cache_destroy(_tio_cache);
kmem_cache_destroy(_io_cache);
dm_uevent_exit();
return r;
}
if (r < 0)
goto out_uevent_exit;
if (!_major)
_major = r;
return 0;
out_uevent_exit:
dm_uevent_exit();
out_free_tio_cache:
kmem_cache_destroy(_tio_cache);
out_free_io_cache:
kmem_cache_destroy(_io_cache);
return r;
}
static void local_exit(void)