Commit 27f382da authored by Himanshu Jha's avatar Himanshu Jha Committed by Jason Gunthorpe

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: default avatarLuis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: default avatarHimanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent 7d37ebbb
......@@ -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));
......
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