diff options
Diffstat (limited to 'drivers/md/persistent-data/dm-transaction-manager.c')
| -rw-r--r-- | drivers/md/persistent-data/dm-transaction-manager.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/md/persistent-data/dm-transaction-manager.c b/drivers/md/persistent-data/dm-transaction-manager.c index 6f8d38747d7f..e5604b32d91f 100644 --- a/drivers/md/persistent-data/dm-transaction-manager.c +++ b/drivers/md/persistent-data/dm-transaction-manager.c @@ -138,6 +138,9 @@ EXPORT_SYMBOL_GPL(dm_tm_create_non_blocking_clone); void dm_tm_destroy(struct dm_transaction_manager *tm) { + if (!tm->is_clone) + wipe_shadow_table(tm); + kfree(tm); } EXPORT_SYMBOL_GPL(dm_tm_destroy); @@ -249,6 +252,7 @@ int dm_tm_shadow_block(struct dm_transaction_manager *tm, dm_block_t orig, return r; } +EXPORT_SYMBOL_GPL(dm_tm_shadow_block); int dm_tm_read_lock(struct dm_transaction_manager *tm, dm_block_t b, struct dm_block_validator *v, @@ -259,6 +263,7 @@ int dm_tm_read_lock(struct dm_transaction_manager *tm, dm_block_t b, return dm_bm_read_lock(tm->bm, b, v, blk); } +EXPORT_SYMBOL_GPL(dm_tm_read_lock); int dm_tm_unlock(struct dm_transaction_manager *tm, struct dm_block *b) { @@ -342,8 +347,10 @@ static int dm_tm_create_internal(struct dm_block_manager *bm, } *sm = dm_sm_checker_create(inner); - if (!*sm) + if (IS_ERR(*sm)) { + r = PTR_ERR(*sm); goto bad2; + } } else { r = dm_bm_write_lock(dm_tm_get_bm(*tm), sb_location, @@ -362,8 +369,10 @@ static int dm_tm_create_internal(struct dm_block_manager *bm, } *sm = dm_sm_checker_create(inner); - if (!*sm) + if (IS_ERR(*sm)) { + r = PTR_ERR(*sm); goto bad2; + } } return 0; |