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net: chelsio: Use zeroing memory allocator instead of allocator/memset

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Use dma_zalloc_coherent for allocating zeroed
memory and remove unnecessary memset function.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YueHaibing
2018-06-03 10:40:15 +08:00
committed by David S. Miller
parent 1a025028d4
commit 40434a670f
3 changed files with 3 additions and 10 deletions
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3
drivers/net/ethernet/chelsio/cxgb3/sge.c
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@@ -620,7 +620,7 @@ static void *alloc_ring(struct pci_dev *pdev, size_t nelem, size_t elem_size,
{
size_t len = nelem * elem_size;
void *s = NULL;
void *p = dma_alloc_coherent(&pdev->dev, len, phys, GFP_KERNEL);
void *p = dma_zalloc_coherent(&pdev->dev, len, phys, GFP_KERNEL);
if (!p)
return NULL;
@@ -633,7 +633,6 @@ static void *alloc_ring(struct pci_dev *pdev, size_t nelem, size_t elem_size,
}
*(void **)metadata = s;
}
memset(p, 0, len);
return p;
}