2723 	int rv;  in errors_store()  local
2725 	rv = kstrtouint(buf, 10, &n);  in errors_store()
2726 	if (rv < 0)  in errors_store()
2727 		return rv;  in errors_store()
3074 	int rv = badblocks_store(&rdev->badblocks, page, len, 0);  in bb_store()  local
3078 	return rv;  in bb_store()
3125 	ssize_t rv;  in rdev_attr_store()  local
3132 	rv = mddev ? mddev_lock(mddev): -EBUSY;  in rdev_attr_store()
3133 	if (!rv) {  in rdev_attr_store()
3135 			rv = -EBUSY;  in rdev_attr_store()
3137 			rv = entry->store(rdev, page, length);  in rdev_attr_store()
3140 	return rv;  in rdev_attr_store()
3429 	ssize_t rv;  in level_store()  local
3439 	rv = mddev_lock(mddev);  in level_store()
3440 	if (rv)  in level_store()
3441 		return rv;  in level_store()
3449 		rv = len;  in level_store()
3452 	rv = -EROFS;  in level_store()
3462 	rv = -EBUSY;  in level_store()
3469 	rv = -EINVAL;  in level_store()
3491 		rv = -EINVAL;  in level_store()
3499 		rv = len;  in level_store()
3506 		rv = -EINVAL;  in level_store()
3527 		rv = PTR_ERR(priv);  in level_store()
3621 	rv = len;  in level_store()
3624 	return rv;  in level_store()
4046 	int rv;  in max_corrected_read_errors_store()  local
4048 	rv = kstrtouint(buf, 10, &n);  in max_corrected_read_errors_store()
4049 	if (rv < 0)  in max_corrected_read_errors_store()
4050 		return rv;  in max_corrected_read_errors_store()
4413 	int rv;  in sync_min_store()  local
4418 		rv = kstrtouint(buf, 10, &min);  in sync_min_store()
4419 		if (rv < 0)  in sync_min_store()
4420 			return rv;  in sync_min_store()
4442 	int rv;  in sync_max_store()  local
4447 		rv = kstrtouint(buf, 10, &max);  in sync_max_store()
4448 		if (rv < 0)  in sync_max_store()
4449 			return rv;  in sync_max_store()
4895 	ssize_t rv;  in md_attr_show()  local
4907 	rv = entry->show(mddev, page);  in md_attr_show()
4909 	return rv;  in md_attr_show()
4918 	ssize_t rv;  in md_attr_store()  local
4931 	rv = entry->store(mddev, page, length);  in md_attr_store()
4933 	return rv;  in md_attr_store()
6432 	int rv;  in update_size()  local
6460 	rv = mddev->pers->resize(mddev, num_sectors);  in update_size()
6461 	if (!rv)  in update_size()
6463 	return rv;  in update_size()
6468 	int rv;  in update_raid_disks()  local
6498 	rv = mddev->pers->check_reshape(mddev);  in update_raid_disks()
6499 	if (rv < 0) {  in update_raid_disks()
6503 	return rv;  in update_raid_disks()
6516 	int rv = 0;  in update_array_info()  local
6559 			rv = mddev->pers->check_reshape(mddev);  in update_array_info()
6560 			if (rv)  in update_array_info()
6562 			return rv;  in update_array_info()
6566 		rv = update_size(mddev, (sector_t)info->size * 2);  in update_array_info()
6569 		rv = update_raid_disks(mddev, info->raid_disks);  in update_array_info()
6573 			rv = -EINVAL;  in update_array_info()
6577 			rv = -EBUSY;  in update_array_info()
6584 				rv = -EEXIST;  in update_array_info()
6588 				rv = -EINVAL;  in update_array_info()
6599 				rv = bitmap_load(mddev);  in update_array_info()
6601 				rv = PTR_ERR(bitmap);  in update_array_info()
6602 			if (rv)  in update_array_info()
6608 				rv = -ENOENT;  in update_array_info()
6612 				rv = -EINVAL;  in update_array_info()
6622 	return rv;  in update_array_info()
6624 	return rv;  in update_array_info()
8530 	int rv;  in md_is_badblock()  local
8546 	rv = 0;  in md_is_badblock()
8579 				if (rv != -1 && BB_ACK(p[lo]))  in md_is_badblock()
8580 					rv = 1;  in md_is_badblock()
8582 					rv = -1;  in md_is_badblock()
8593 	return rv;  in md_is_badblock()
8609 	int rv = 1;  in md_set_badblocks()  local
8722 			rv = 0;  in md_set_badblocks()
8743 	return rv;  in md_set_badblocks()
8749 	int rv;  in rdev_set_badblocks()  local
8754 	rv = md_set_badblocks(&rdev->badblocks,  in rdev_set_badblocks()
8756 	if (rv) {  in rdev_set_badblocks()
8763 	return rv;  in rdev_set_badblocks()
8778 	int rv = 0;  in md_clear_badblocks()  local
8821 					rv = -ENOSPC;  in md_clear_badblocks()
8859 	return rv;  in md_clear_badblocks()