Remove array_size() calls and replace vmalloc() with vmalloc_array() to simplify the code.
Signed-off-by: Qianfeng Rong <rongqianf...@vivo.com> --- drivers/md/dm-cache-policy-smq.c | 2 +- drivers/md/dm-region-hash.c | 2 +- drivers/md/dm-switch.c | 4 ++-- drivers/md/dm-thin.c | 4 ++-- 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/md/dm-cache-policy-smq.c b/drivers/md/dm-cache-policy-smq.c index 2ed894155cab..7e1e8cc0e33a 100644 --- a/drivers/md/dm-cache-policy-smq.c +++ b/drivers/md/dm-cache-policy-smq.c @@ -590,7 +590,7 @@ static int h_init(struct smq_hash_table *ht, struct entry_space *es, unsigned in nr_buckets = roundup_pow_of_two(max(nr_entries / 4u, 16u)); ht->hash_bits = __ffs(nr_buckets); - ht->buckets = vmalloc(array_size(nr_buckets, sizeof(*ht->buckets))); + ht->buckets = vmalloc_array(nr_buckets, sizeof(*ht->buckets)); if (!ht->buckets) return -ENOMEM; diff --git a/drivers/md/dm-region-hash.c b/drivers/md/dm-region-hash.c index a4550975c27d..e9b47b659976 100644 --- a/drivers/md/dm-region-hash.c +++ b/drivers/md/dm-region-hash.c @@ -206,7 +206,7 @@ struct dm_region_hash *dm_region_hash_create( rh->shift = RH_HASH_SHIFT; rh->prime = RH_HASH_MULT; - rh->buckets = vmalloc(array_size(nr_buckets, sizeof(*rh->buckets))); + rh->buckets = vmalloc_array(nr_buckets, sizeof(*rh->buckets)); if (!rh->buckets) { DMERR("unable to allocate region hash bucket memory"); kfree(rh); diff --git a/drivers/md/dm-switch.c b/drivers/md/dm-switch.c index bb1a70b5a215..50a52ca50b34 100644 --- a/drivers/md/dm-switch.c +++ b/drivers/md/dm-switch.c @@ -114,8 +114,8 @@ static int alloc_region_table(struct dm_target *ti, unsigned int nr_paths) return -EINVAL; } - sctx->region_table = vmalloc(array_size(nr_slots, - sizeof(region_table_slot_t))); + sctx->region_table = vmalloc_array(nr_slots, + sizeof(region_table_slot_t)); if (!sctx->region_table) { ti->error = "Cannot allocate region table"; return -ENOMEM; diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 007bb93e5fca..c84149ba4e38 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -3031,8 +3031,8 @@ static struct pool *pool_create(struct mapped_device *pool_md, } pool->cell_sort_array = - vmalloc(array_size(CELL_SORT_ARRAY_SIZE, - sizeof(*pool->cell_sort_array))); + vmalloc_array(CELL_SORT_ARRAY_SIZE, + sizeof(*pool->cell_sort_array)); if (!pool->cell_sort_array) { *error = "Error allocating cell sort array"; err_p = ERR_PTR(-ENOMEM); -- 2.34.1