diff options
Diffstat (limited to 'drivers/infiniband')
-rw-r--r-- | drivers/infiniband/core/cma.c | 4 | ||||
-rw-r--r-- | drivers/infiniband/core/fmr_pool.c | 5 | ||||
-rw-r--r-- | drivers/infiniband/hw/cxgb4/id_table.c | 4 | ||||
-rw-r--r-- | drivers/infiniband/hw/mlx4/main.c | 12 | ||||
-rw-r--r-- | drivers/infiniband/hw/mlx4/qp.c | 4 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_allocator.c | 18 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_cmd.c | 6 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_eq.c | 6 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_memfree.c | 6 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_mr.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_qp.c | 4 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_srq.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/nes/nes_nic.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 3 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_iba6120.c | 9 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_iba7220.c | 9 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_iba7322.c | 29 | ||||
-rw-r--r-- | drivers/infiniband/ulp/iser/iser_initiator.c | 5 | ||||
-rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.c | 9 | ||||
-rw-r--r-- | drivers/infiniband/ulp/srpt/ib_srpt.c | 2 |
20 files changed, 79 insertions, 62 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 6813ee7..bff10ab 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1855,8 +1855,8 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id, rt = &id->route; rt->num_paths = ib_event->param.req_rcvd.alternate_path ? 2 : 1; - rt->path_rec = kmalloc(sizeof *rt->path_rec * rt->num_paths, - GFP_KERNEL); + rt->path_rec = kmalloc_array(rt->num_paths, sizeof(*rt->path_rec), + GFP_KERNEL); if (!rt->path_rec) goto err; diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c index a0a9ed7..a077500 100644 --- a/drivers/infiniband/core/fmr_pool.c +++ b/drivers/infiniband/core/fmr_pool.c @@ -235,8 +235,9 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd, if (params->cache) { pool->cache_bucket = - kmalloc(IB_FMR_HASH_SIZE * sizeof *pool->cache_bucket, - GFP_KERNEL); + kmalloc_array(IB_FMR_HASH_SIZE, + sizeof(*pool->cache_bucket), + GFP_KERNEL); if (!pool->cache_bucket) { ret = -ENOMEM; goto out_free_pool; diff --git a/drivers/infiniband/hw/cxgb4/id_table.c b/drivers/infiniband/hw/cxgb4/id_table.c index 5c2cfde..724d232 100644 --- a/drivers/infiniband/hw/cxgb4/id_table.c +++ b/drivers/infiniband/hw/cxgb4/id_table.c @@ -92,8 +92,8 @@ int c4iw_id_table_alloc(struct c4iw_id_table *alloc, u32 start, u32 num, alloc->last = 0; alloc->max = num; spin_lock_init(&alloc->lock); - alloc->table = kmalloc(BITS_TO_LONGS(num) * sizeof(long), - GFP_KERNEL); + alloc->table = kmalloc_array(BITS_TO_LONGS(num), sizeof(long), + GFP_KERNEL); if (!alloc->table) return -ENOMEM; diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index f839bf3..4ec519a 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -302,7 +302,8 @@ static int mlx4_ib_add_gid(const union ib_gid *gid, ctx->refcount++; } if (!ret && hw_update) { - gids = kmalloc(sizeof(*gids) * MLX4_MAX_PORT_GIDS, GFP_ATOMIC); + gids = kmalloc_array(MLX4_MAX_PORT_GIDS, sizeof(*gids), + GFP_ATOMIC); if (!gids) { ret = -ENOMEM; } else { @@ -355,7 +356,8 @@ static int mlx4_ib_del_gid(const struct ib_gid_attr *attr, void **context) if (!ret && hw_update) { int i; - gids = kmalloc(sizeof(*gids) * MLX4_MAX_PORT_GIDS, GFP_ATOMIC); + gids = kmalloc_array(MLX4_MAX_PORT_GIDS, sizeof(*gids), + GFP_ATOMIC); if (!gids) { ret = -ENOMEM; } else { @@ -2872,9 +2874,9 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) goto err_counter; ibdev->ib_uc_qpns_bitmap = - kmalloc(BITS_TO_LONGS(ibdev->steer_qpn_count) * - sizeof(long), - GFP_KERNEL); + kmalloc_array(BITS_TO_LONGS(ibdev->steer_qpn_count), + sizeof(long), + GFP_KERNEL); if (!ibdev->ib_uc_qpns_bitmap) goto err_steer_qp_release; diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index cd2c08c..3b8045f 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -573,8 +573,8 @@ static int alloc_proxy_bufs(struct ib_device *dev, struct mlx4_ib_qp *qp) int i; qp->sqp_proxy_rcv = - kmalloc(sizeof (struct mlx4_ib_buf) * qp->rq.wqe_cnt, - GFP_KERNEL); + kmalloc_array(qp->rq.wqe_cnt, sizeof(struct mlx4_ib_buf), + GFP_KERNEL); if (!qp->sqp_proxy_rcv) return -ENOMEM; for (i = 0; i < qp->rq.wqe_cnt; i++) { diff --git a/drivers/infiniband/hw/mthca/mthca_allocator.c b/drivers/infiniband/hw/mthca/mthca_allocator.c index b4e0cf4..aaf10dd 100644 --- a/drivers/infiniband/hw/mthca/mthca_allocator.c +++ b/drivers/infiniband/hw/mthca/mthca_allocator.c @@ -90,8 +90,8 @@ int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask, alloc->max = num; alloc->mask = mask; spin_lock_init(&alloc->lock); - alloc->table = kmalloc(BITS_TO_LONGS(num) * sizeof (long), - GFP_KERNEL); + alloc->table = kmalloc_array(BITS_TO_LONGS(num), sizeof(long), + GFP_KERNEL); if (!alloc->table) return -ENOMEM; @@ -162,7 +162,8 @@ int mthca_array_init(struct mthca_array *array, int nent) int npage = (nent * sizeof (void *) + PAGE_SIZE - 1) / PAGE_SIZE; int i; - array->page_list = kmalloc(npage * sizeof *array->page_list, GFP_KERNEL); + array->page_list = kmalloc_array(npage, sizeof(*array->page_list), + GFP_KERNEL); if (!array->page_list) return -ENOMEM; @@ -220,7 +221,8 @@ int mthca_buf_alloc(struct mthca_dev *dev, int size, int max_direct, npages *= 2; } - dma_list = kmalloc(npages * sizeof *dma_list, GFP_KERNEL); + dma_list = kmalloc_array(npages, sizeof(*dma_list), + GFP_KERNEL); if (!dma_list) goto err_free; @@ -231,12 +233,14 @@ int mthca_buf_alloc(struct mthca_dev *dev, int size, int max_direct, npages = (size + PAGE_SIZE - 1) / PAGE_SIZE; shift = PAGE_SHIFT; - dma_list = kmalloc(npages * sizeof *dma_list, GFP_KERNEL); + dma_list = kmalloc_array(npages, sizeof(*dma_list), + GFP_KERNEL); if (!dma_list) return -ENOMEM; - buf->page_list = kmalloc(npages * sizeof *buf->page_list, - GFP_KERNEL); + buf->page_list = kmalloc_array(npages, + sizeof(*buf->page_list), + GFP_KERNEL); if (!buf->page_list) goto err_out; diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index 419a2a2..83aa47e 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -565,9 +565,9 @@ int mthca_cmd_use_events(struct mthca_dev *dev) { int i; - dev->cmd.context = kmalloc(dev->cmd.max_cmds * - sizeof (struct mthca_cmd_context), - GFP_KERNEL); + dev->cmd.context = kmalloc_array(dev->cmd.max_cmds, + sizeof(struct mthca_cmd_context), + GFP_KERNEL); if (!dev->cmd.context) return -ENOMEM; diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c index 6902017..30400ea 100644 --- a/drivers/infiniband/hw/mthca/mthca_eq.c +++ b/drivers/infiniband/hw/mthca/mthca_eq.c @@ -479,15 +479,15 @@ static int mthca_create_eq(struct mthca_dev *dev, eq->nent = roundup_pow_of_two(max(nent, 2)); npages = ALIGN(eq->nent * MTHCA_EQ_ENTRY_SIZE, PAGE_SIZE) / PAGE_SIZE; - eq->page_list = kmalloc(npages * sizeof *eq->page_list, - GFP_KERNEL); + eq->page_list = kmalloc_array(npages, sizeof(*eq->page_list), + GFP_KERNEL); if (!eq->page_list) goto err_out; for (i = 0; i < npages; ++i) eq->page_list[i].buf = NULL; - dma_list = kmalloc(npages * sizeof *dma_list, GFP_KERNEL); + dma_list = kmalloc_array(npages, sizeof(*dma_list), GFP_KERNEL); if (!dma_list) goto err_out_free; diff --git a/drivers/infiniband/hw/mthca/mthca_memfree.c b/drivers/infiniband/hw/mthca/mthca_memfree.c index 7a31be3..cc9c0c8 100644 --- a/drivers/infiniband/hw/mthca/mthca_memfree.c +++ b/drivers/infiniband/hw/mthca/mthca_memfree.c @@ -712,9 +712,9 @@ int mthca_init_db_tab(struct mthca_dev *dev) dev->db_tab->max_group1 = 0; dev->db_tab->min_group2 = dev->db_tab->npages - 1; - dev->db_tab->page = kmalloc(dev->db_tab->npages * - sizeof *dev->db_tab->page, - GFP_KERNEL); + dev->db_tab->page = kmalloc_array(dev->db_tab->npages, + sizeof(*dev->db_tab->page), + GFP_KERNEL); if (!dev->db_tab->page) { kfree(dev->db_tab); return -ENOMEM; diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c index ed9a989..dc3c234 100644 --- a/drivers/infiniband/hw/mthca/mthca_mr.c +++ b/drivers/infiniband/hw/mthca/mthca_mr.c @@ -153,7 +153,7 @@ static int mthca_buddy_init(struct mthca_buddy *buddy, int max_order) for (i = 0; i <= buddy->max_order; ++i) { s = BITS_TO_LONGS(1 << (buddy->max_order - i)); - buddy->bits[i] = kmalloc(s * sizeof (long), GFP_KERNEL); + buddy->bits[i] = kmalloc_array(s, sizeof(long), GFP_KERNEL); if (!buddy->bits[i]) goto err_out_free; bitmap_zero(buddy->bits[i], diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index d21960c..af1c49d 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -1054,8 +1054,8 @@ static int mthca_alloc_wqe_buf(struct mthca_dev *dev, size = PAGE_ALIGN(qp->send_wqe_offset + (qp->sq.max << qp->sq.wqe_shift)); - qp->wrid = kmalloc((qp->rq.max + qp->sq.max) * sizeof (u64), - GFP_KERNEL); + qp->wrid = kmalloc_array(qp->rq.max + qp->sq.max, sizeof(u64), + GFP_KERNEL); if (!qp->wrid) goto err_out; diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c index d22f970..f79732b 100644 --- a/drivers/infiniband/hw/mthca/mthca_srq.c +++ b/drivers/infiniband/hw/mthca/mthca_srq.c @@ -155,7 +155,7 @@ static int mthca_alloc_srq_buf(struct mthca_dev *dev, struct mthca_pd *pd, if (pd->ibpd.uobject) return 0; - srq->wrid = kmalloc(srq->max * sizeof (u64), GFP_KERNEL); + srq->wrid = kmalloc_array(srq->max, sizeof(u64), GFP_KERNEL); if (!srq->wrid) return -ENOMEM; diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c index 007d5e8..61014e2 100644 --- a/drivers/infiniband/hw/nes/nes_nic.c +++ b/drivers/infiniband/hw/nes/nes_nic.c @@ -904,7 +904,7 @@ static void nes_netdev_set_multicast_list(struct net_device *netdev) int i; struct netdev_hw_addr *ha; - addrs = kmalloc(ETH_ALEN * mc_count, GFP_ATOMIC); + addrs = kmalloc_array(mc_count, ETH_ALEN, GFP_ATOMIC); if (!addrs) { set_allmulti(nesdev, nic_active_bit); goto unlock; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 784ed6b..eb9f9e9 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -1873,7 +1873,8 @@ struct ib_srq *ocrdma_create_srq(struct ib_pd *ibpd, srq->bit_fields_len = (srq->rq.max_cnt / 32) + (srq->rq.max_cnt % 32 ? 1 : 0); srq->idx_bit_fields = - kmalloc(srq->bit_fields_len * sizeof(u32), GFP_KERNEL); + kmalloc_array(srq->bit_fields_len, sizeof(u32), + GFP_KERNEL); if (srq->idx_bit_fields == NULL) goto arm_err; memset(srq->idx_bit_fields, 0xff, diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c index 8a15e5c..fb1ff59 100644 --- a/drivers/infiniband/hw/qib/qib_iba6120.c +++ b/drivers/infiniband/hw/qib/qib_iba6120.c @@ -2496,15 +2496,16 @@ static void init_6120_cntrnames(struct qib_devdata *dd) dd->cspec->cntrnamelen = sizeof(cntr6120names) - 1; else dd->cspec->cntrnamelen = 1 + s - cntr6120names; - dd->cspec->cntrs = kmalloc(dd->cspec->ncntrs - * sizeof(u64), GFP_KERNEL); + dd->cspec->cntrs = kmalloc_array(dd->cspec->ncntrs, sizeof(u64), + GFP_KERNEL); for (i = 0, s = (char *)portcntr6120names; s; i++) s = strchr(s + 1, '\n'); dd->cspec->nportcntrs = i - 1; dd->cspec->portcntrnamelen = sizeof(portcntr6120names) - 1; - dd->cspec->portcntrs = kmalloc(dd->cspec->nportcntrs - * sizeof(u64), GFP_KERNEL); + dd->cspec->portcntrs = kmalloc_array(dd->cspec->nportcntrs, + sizeof(u64), + GFP_KERNEL); } static u32 qib_read_6120cntrs(struct qib_devdata *dd, loff_t pos, char **namep, diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c index bdff232..163a57a 100644 --- a/drivers/infiniband/hw/qib/qib_iba7220.c +++ b/drivers/infiniband/hw/qib/qib_iba7220.c @@ -3147,15 +3147,16 @@ static void init_7220_cntrnames(struct qib_devdata *dd) dd->cspec->cntrnamelen = sizeof(cntr7220names) - 1; else dd->cspec->cntrnamelen = 1 + s - cntr7220names; - dd->cspec->cntrs = kmalloc(dd->cspec->ncntrs - * sizeof(u64), GFP_KERNEL); + dd->cspec->cntrs = kmalloc_array(dd->cspec->ncntrs, sizeof(u64), + GFP_KERNEL); for (i = 0, s = (char *)portcntr7220names; s; i++) s = strchr(s + 1, '\n'); dd->cspec->nportcntrs = i - 1; dd->cspec->portcntrnamelen = sizeof(portcntr7220names) - 1; - dd->cspec->portcntrs = kmalloc(dd->cspec->nportcntrs - * sizeof(u64), GFP_KERNEL); + dd->cspec->portcntrs = kmalloc_array(dd->cspec->nportcntrs, + sizeof(u64), + GFP_KERNEL); } static u32 qib_read_7220cntrs(struct qib_devdata *dd, loff_t pos, char **namep, diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index 8414ae4..27155d9 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -3648,8 +3648,9 @@ static int qib_do_7322_reset(struct qib_devdata *dd) if (msix_entries) { /* can be up to 512 bytes, too big for stack */ - msix_vecsave = kmalloc(2 * dd->cspec->num_msix_entries * - sizeof(u64), GFP_KERNEL); + msix_vecsave = kmalloc_array(2 * dd->cspec->num_msix_entries, + sizeof(u64), + GFP_KERNEL); } /* @@ -5009,16 +5010,17 @@ static void init_7322_cntrnames(struct qib_devdata *dd) dd->cspec->cntrnamelen = sizeof(cntr7322names) - 1; else dd->cspec->cntrnamelen = 1 + s - cntr7322names; - dd->cspec->cntrs = kmalloc(dd->cspec->ncntrs - * sizeof(u64), GFP_KERNEL); + dd->cspec->cntrs = kmalloc_array(dd->cspec->ncntrs, sizeof(u64), + GFP_KERNEL); for (i = 0, s = (char *)portcntr7322names; s; i++) s = strchr(s + 1, '\n'); dd->cspec->nportcntrs = i - 1; dd->cspec->portcntrnamelen = sizeof(portcntr7322names) - 1; for (i = 0; i < dd->num_pports; ++i) { - dd->pport[i].cpspec->portcntrs = kmalloc(dd->cspec->nportcntrs - * sizeof(u64), GFP_KERNEL); + dd->pport[i].cpspec->portcntrs = + kmalloc_array(dd->cspec->nportcntrs, sizeof(u64), + GFP_KERNEL); } } @@ -6412,12 +6414,15 @@ static int qib_init_7322_variables(struct qib_devdata *dd) sbufcnt = dd->piobcnt2k + dd->piobcnt4k + NUM_VL15_BUFS + BITS_PER_LONG - 1; sbufcnt /= BITS_PER_LONG; - dd->cspec->sendchkenable = kmalloc(sbufcnt * - sizeof(*dd->cspec->sendchkenable), GFP_KERNEL); - dd->cspec->sendgrhchk = kmalloc(sbufcnt * - sizeof(*dd->cspec->sendgrhchk), GFP_KERNEL); - dd->cspec->sendibchk = kmalloc(sbufcnt * - sizeof(*dd->cspec->sendibchk), GFP_KERNEL); + dd->cspec->sendchkenable = + kmalloc_array(sbufcnt, sizeof(*dd->cspec->sendchkenable), + GFP_KERNEL); + dd->cspec->sendgrhchk = + kmalloc_array(sbufcnt, sizeof(*dd->cspec->sendgrhchk), + GFP_KERNEL); + dd->cspec->sendibchk = + kmalloc_array(sbufcnt, sizeof(*dd->cspec->sendibchk), + GFP_KERNEL); if (!dd->cspec->sendchkenable || !dd->cspec->sendgrhchk || !dd->cspec->sendibchk) { ret = -ENOMEM; diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c index ca858d6..2f63885 100644 --- a/drivers/infiniband/ulp/iser/iser_initiator.c +++ b/drivers/infiniband/ulp/iser/iser_initiator.c @@ -258,8 +258,9 @@ int iser_alloc_rx_descriptors(struct iser_conn *iser_conn, goto alloc_login_buf_fail; iser_conn->num_rx_descs = session->cmds_max; - iser_conn->rx_descs = kmalloc(iser_conn->num_rx_descs * - sizeof(struct iser_rx_desc), GFP_KERNEL); + iser_conn->rx_descs = kmalloc_array(iser_conn->num_rx_descs, + sizeof(struct iser_rx_desc), + GFP_KERNEL); if (!iser_conn->rx_descs) goto rx_desc_alloc_fail; diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index c35d2cd..9786b24 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -1035,16 +1035,17 @@ static int srp_alloc_req_data(struct srp_rdma_ch *ch) for (i = 0; i < target->req_ring_size; ++i) { req = &ch->req_ring[i]; - mr_list = kmalloc(target->mr_per_cmd * sizeof(void *), - GFP_KERNEL); + mr_list = kmalloc_array(target->mr_per_cmd, sizeof(void *), + GFP_KERNEL); if (!mr_list) goto out; if (srp_dev->use_fast_reg) { req->fr_list = mr_list; } else { req->fmr_list = mr_list; - req->map_page = kmalloc(srp_dev->max_pages_per_mr * - sizeof(void *), GFP_KERNEL); + req->map_page = kmalloc_array(srp_dev->max_pages_per_mr, + sizeof(void *), + GFP_KERNEL); if (!req->map_page) goto out; } diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index dfec0e1..3081c62 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -720,7 +720,7 @@ static struct srpt_ioctx **srpt_alloc_ioctx_ring(struct srpt_device *sdev, WARN_ON(ioctx_size != sizeof(struct srpt_recv_ioctx) && ioctx_size != sizeof(struct srpt_send_ioctx)); - ring = kmalloc(ring_size * sizeof(ring[0]), GFP_KERNEL); + ring = kmalloc_array(ring_size, sizeof(ring[0]), GFP_KERNEL); if (!ring) goto out; for (i = 0; i < ring_size; ++i) { |