442 	struct pr_keys *keys_info;  in blkdev_pr_read_keys()  local
460 	keys_info_len = struct_size(keys_info, keys, read_keys.num_keys);  in blkdev_pr_read_keys()
462 	keys_info = kvzalloc(keys_info_len, GFP_KERNEL);  in blkdev_pr_read_keys()
463 	if (!keys_info)  in blkdev_pr_read_keys()
466 	keys_info->num_keys = read_keys.num_keys;  in blkdev_pr_read_keys()
468 	ret = ops->pr_read_keys(bdev, keys_info);  in blkdev_pr_read_keys()
474 	keys_copy_len = min(read_keys.num_keys, keys_info->num_keys) *  in blkdev_pr_read_keys()
475 		        sizeof(keys_info->keys[0]);  in blkdev_pr_read_keys()
477 	if (copy_to_user(keys_ptr, keys_info->keys, keys_copy_len)) {  in blkdev_pr_read_keys()
483 	read_keys.generation = keys_info->generation;  in blkdev_pr_read_keys()
484 	read_keys.num_keys = keys_info->num_keys;  in blkdev_pr_read_keys()
489 	kvfree(keys_info);  in blkdev_pr_read_keys()