diff options
| author | Jonathan Brassow <jbrassow@redhat.com> | 2009-10-17 00:18:14 +0200 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-10-17 00:18:14 +0200 |
| commit | 034a186d29dbcef099e57ab23ec39440596be911 (patch) | |
| tree | ab7b134d082581dd11fd9894f37d109d5d7a34b7 /drivers/md/dm-snap.c | |
| parent | dm snapshot: sort by chunk size to fix race (diff) | |
| download | linux-034a186d29dbcef099e57ab23ec39440596be911.tar.xz linux-034a186d29dbcef099e57ab23ec39440596be911.zip | |
dm snapshot: free exception store on init failure
While initializing the snapshot module, if we fail to register
the snapshot target then we must back-out the exception store
module initialization.
Cc: stable@kernel.org
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Reviewed-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-snap.c')
| -rw-r--r-- | drivers/md/dm-snap.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 3a53a5a9bec8..53f4063f7ea4 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -1470,7 +1470,7 @@ static int __init dm_snapshot_init(void) r = dm_register_target(&snapshot_target); if (r) { DMERR("snapshot target register failed %d", r); - return r; + goto bad_register_snapshot_target; } r = dm_register_target(&origin_target); @@ -1527,6 +1527,9 @@ bad2: dm_unregister_target(&origin_target); bad1: dm_unregister_target(&snapshot_target); + +bad_register_snapshot_target: + dm_exception_store_exit(); return r; } |