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Commit c1907e53 authored by YueHaibing's avatar YueHaibing Committed by David S. Miller
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net: hix5hd2_gmac: use dma_zalloc_coherent instead of allocator/memset 



Use dma_zalloc_coherent instead of dma_alloc_coherent
followed by memset 0.

Signed-off-by: default avatarYueHaibing <yuehaibing@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e064cce1

drivers/net/ethernet/hisilicon/hix5hd2_gmac.c

+2 −3
Original line number Diff line number Diff line
@@ -1006,12 +1006,11 @@ static int hix5hd2_init_hw_desc_queue(struct hix5hd2_priv *priv) 


	for (i = 0; i < QUEUE_NUMS; i++) {

		size = priv->pool[i].count * sizeof(struct hix5hd2_desc);

		virt_addr = dma_alloc_coherent(dev, size, &phys_addr,

		virt_addr = dma_zalloc_coherent(dev, size, &phys_addr,

						GFP_KERNEL);

		if (virt_addr == NULL)

			goto error_free_pool;



		memset(virt_addr, 0, size);

		priv->pool[i].size = size;

		priv->pool[i].desc = virt_addr;

		priv->pool[i].phys_addr = phys_addr;