diff options
| author | Kiyoshi Ueda <k-ueda@ct.jp.nec.com> | 2008-10-21 17:45:08 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2008-10-21 17:45:08 +0100 |
| commit | 51157b4ab47e1376c2b93cb854b14b637efeaff2 (patch) | |
| tree | 76889af489b15aaf8c75d457f29d36336ca0a0a6 /drivers/md | |
| parent | f431d9666fd6e69fbaf305cebc7278d1428950c2 (diff) | |
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>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 6938bfeb5e2..d1d0cd0f575 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -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) |