diff options
| author | Himanshu Jha <himanshujha199640@gmail.com> | 2017-12-30 18:39:56 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-01-02 21:20:13 +0300 |
| commit | d78756d842de49608bedc80666ae4c8cbf1e4889 (patch) | |
| tree | 88a386aa7315dd1e32699223a28af72b6a5b3d4f /drivers/infiniband/hw/ocrdma/ocrdma_hw.c | |
| parent | f48fca4d818f92966419fb74ce56bc5e198ecb5c (diff) | |
| download | linux-d78756d842de49608bedc80666ae4c8cbf1e4889.tar.xz | |
IB/ocrdma: Use zeroing memory allocator than allocator/memset
Use dma_zalloc_coherent for allocating zeroed
memory and remove unnecessary memset function.
Done using Coccinelle.
Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci
0-day tested with no failures.
Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Acked-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/ocrdma/ocrdma_hw.c')
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 0ba695a88b62..9904918589a4 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -380,11 +380,10 @@ static int ocrdma_alloc_q(struct ocrdma_dev *dev, q->len = len; q->entry_size = entry_size; q->size = len * entry_size; - q->va = dma_alloc_coherent(&dev->nic_info.pdev->dev, q->size, - &q->dma, GFP_KERNEL); + q->va = dma_zalloc_coherent(&dev->nic_info.pdev->dev, q->size, + &q->dma, GFP_KERNEL); if (!q->va) return -ENOMEM; - memset(q->va, 0, q->size); return 0; } @@ -1819,12 +1818,11 @@ int ocrdma_mbx_create_cq(struct ocrdma_dev *dev, struct ocrdma_cq *cq, return -ENOMEM; ocrdma_init_mch(&cmd->cmd.req, OCRDMA_CMD_CREATE_CQ, OCRDMA_SUBSYS_COMMON, sizeof(*cmd)); - cq->va = dma_alloc_coherent(&pdev->dev, cq->len, &cq->pa, GFP_KERNEL); + cq->va = dma_zalloc_coherent(&pdev->dev, cq->len, &cq->pa, GFP_KERNEL); if (!cq->va) { status = -ENOMEM; goto mem_err; } - memset(cq->va, 0, cq->len); page_size = cq->len / hw_pages; cmd->cmd.pgsz_pgcnt = (page_size / OCRDMA_MIN_Q_PAGE_SIZE) << OCRDMA_CREATE_CQ_PAGE_SIZE_SHIFT; @@ -2212,10 +2210,9 @@ static int ocrdma_set_create_qp_sq_cmd(struct ocrdma_create_qp_req *cmd, qp->sq.max_cnt = max_wqe_allocated; len = (hw_pages * hw_page_size); - qp->sq.va = dma_alloc_coherent(&pdev->dev, len, &pa, GFP_KERNEL); + qp->sq.va = dma_zalloc_coherent(&pdev->dev, len, &pa, GFP_KERNEL); if (!qp->sq.va) return -EINVAL; - memset(qp->sq.va, 0, len); qp->sq.len = len; qp->sq.pa = pa; qp->sq.entry_size = dev->attr.wqe_size; @@ -2263,10 +2260,9 @@ static int ocrdma_set_create_qp_rq_cmd(struct ocrdma_create_qp_req *cmd, qp->rq.max_cnt = max_rqe_allocated; len = (hw_pages * hw_page_size); - qp->rq.va = dma_alloc_coherent(&pdev->dev, len, &pa, GFP_KERNEL); + qp->rq.va = dma_zalloc_coherent(&pdev->dev, len, &pa, GFP_KERNEL); if (!qp->rq.va) return -ENOMEM; - memset(qp->rq.va, 0, len); qp->rq.pa = pa; qp->rq.len = len; qp->rq.entry_size = dev->attr.rqe_size; @@ -2320,11 +2316,10 @@ static int ocrdma_set_create_qp_ird_cmd(struct ocrdma_create_qp_req *cmd, if (dev->attr.ird == 0) return 0; - qp->ird_q_va = dma_alloc_coherent(&pdev->dev, ird_q_len, - &pa, GFP_KERNEL); + qp->ird_q_va = dma_zalloc_coherent(&pdev->dev, ird_q_len, &pa, + GFP_KERNEL); if (!qp->ird_q_va) return -ENOMEM; - memset(qp->ird_q_va, 0, ird_q_len); ocrdma_build_q_pages(&cmd->ird_addr[0], dev->attr.num_ird_pages, pa, ird_page_size); for (; i < ird_q_len / dev->attr.rqe_size; i++) { |