diff options
| author | Himanshu Jha <himanshujha199640@gmail.com> | 2017-12-30 21:09:56 +0530 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-01-02 11:20:13 -0700 |
| commit | d78756d842de49608bedc80666ae4c8cbf1e4889 (patch) | |
| tree | 88a386aa7315dd1e32699223a28af72b6a5b3d4f /drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | |
| parent | f48fca4d818f92966419fb74ce56bc5e198ecb5c (diff) | |
| download | op-kernel-dev-d78756d842de49608bedc80666ae4c8cbf1e4889.zip op-kernel-dev-d78756d842de49608bedc80666ae4c8cbf1e4889.tar.gz | |
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_verbs.c')
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index b5f1dd3..8009bda 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -550,13 +550,12 @@ struct ib_ucontext *ocrdma_alloc_ucontext(struct ib_device *ibdev, INIT_LIST_HEAD(&ctx->mm_head); mutex_init(&ctx->mm_list_lock); - ctx->ah_tbl.va = dma_alloc_coherent(&pdev->dev, map_len, - &ctx->ah_tbl.pa, GFP_KERNEL); + ctx->ah_tbl.va = dma_zalloc_coherent(&pdev->dev, map_len, + &ctx->ah_tbl.pa, GFP_KERNEL); if (!ctx->ah_tbl.va) { kfree(ctx); return ERR_PTR(-ENOMEM); } - memset(ctx->ah_tbl.va, 0, map_len); ctx->ah_tbl.len = map_len; memset(&resp, 0, sizeof(resp)); @@ -885,13 +884,12 @@ static int ocrdma_build_pbl_tbl(struct ocrdma_dev *dev, struct ocrdma_hw_mr *mr) return -ENOMEM; for (i = 0; i < mr->num_pbls; i++) { - va = dma_alloc_coherent(&pdev->dev, dma_len, &pa, GFP_KERNEL); + va = dma_zalloc_coherent(&pdev->dev, dma_len, &pa, GFP_KERNEL); if (!va) { ocrdma_free_mr_pbl_tbl(dev, mr); status = -ENOMEM; break; } - memset(va, 0, dma_len); mr->pbl_table[i].va = va; mr->pbl_table[i].pa = pa; } |
