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path: root/drivers/md/dm-region-hash.c
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Diffstat (limited to 'drivers/md/dm-region-hash.c')
-rw-r--r--drivers/md/dm-region-hash.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/md/dm-region-hash.c b/drivers/md/dm-region-hash.c
index b929fd5f4984..74cb7b991d41 100644
--- a/drivers/md/dm-region-hash.c
+++ b/drivers/md/dm-region-hash.c
@@ -193,7 +193,7 @@ struct dm_region_hash *dm_region_hash_create(
rh->max_recovery = max_recovery;
rh->log = log;
rh->region_size = region_size;
- rh->region_shift = ffs(region_size) - 1;
+ rh->region_shift = __ffs(region_size);
rwlock_init(&rh->hash_lock);
rh->mask = nr_buckets - 1;
rh->nr_buckets = nr_buckets;
@@ -249,9 +249,7 @@ void dm_region_hash_destroy(struct dm_region_hash *rh)
if (rh->log)
dm_dirty_log_destroy(rh->log);
- if (rh->region_pool)
- mempool_destroy(rh->region_pool);
-
+ mempool_destroy(rh->region_pool);
vfree(rh->buckets);
kfree(rh);
}