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Date: Sun, 31 Dec 2017 18:04:10 +0530 From: Himanshu Jha <himanshujha199640@...il.com> To: dledford@...hat.com Cc: jgg@...pe.ca, linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org, Himanshu Jha <himanshujha199640@...il.com> Subject: [PATCH] IB/mthca: 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@...nel.org> Signed-off-by: Himanshu Jha <himanshujha199640@...il.com> --- drivers/infiniband/hw/mthca/mthca_memfree.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/mthca/mthca_memfree.c b/drivers/infiniband/hw/mthca/mthca_memfree.c index c6fe89d..2a41ed7 100644 --- a/drivers/infiniband/hw/mthca/mthca_memfree.c +++ b/drivers/infiniband/hw/mthca/mthca_memfree.c @@ -623,13 +623,12 @@ int mthca_alloc_db(struct mthca_dev *dev, enum mthca_db_type type, page = dev->db_tab->page + end; alloc: - page->db_rec = dma_alloc_coherent(&dev->pdev->dev, MTHCA_ICM_PAGE_SIZE, - &page->mapping, GFP_KERNEL); + page->db_rec = dma_zalloc_coherent(&dev->pdev->dev, MTHCA_ICM_PAGE_SIZE, + &page->mapping, GFP_KERNEL); if (!page->db_rec) { ret = -ENOMEM; goto out; } - memset(page->db_rec, 0, MTHCA_ICM_PAGE_SIZE); ret = mthca_MAP_ICM_page(dev, page->mapping, mthca_uarc_virt(dev, &dev->driver_uar, i)); -- 2.7.4
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