dm clone: prefer kvmalloc_array()

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>

drivers/md/dm-clone-target.c

@@ -580,7 +580,7 @@ static int hash_table_init(struct clone *clone)
 
 	sz = 1 << HASH_TABLE_BITS;
 
-	clone->ht = kvmalloc(sz * sizeof(struct hash_table_bucket), GFP_KERNEL);
+	clone->ht = kvmalloc_array(sz, sizeof(struct hash_table_bucket), GFP_KERNEL);
 	if (!clone->ht)
 		return -ENOMEM;