From mboxrd@z Thu Jan 1 00:00:00 1970 From: YueHaibing Subject: [PATCH net-next] net: hix5hd2_gmac: use dma_zalloc_coherent instead of allocator/memset Date: Thu, 19 Jul 2018 21:57:11 +0800 Message-ID: <20180719135711.5656-1-yuehaibing@huawei.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , YueHaibing To: , , Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Use dma_zalloc_coherent instead of dma_alloc_coherent followed by memset 0. Signed-off-by: YueHaibing --- drivers/net/ethernet/hisilicon/hix5hd2_gmac.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hix5hd2_gmac.c b/drivers/net/ethernet/hisilicon/hix5hd2_gmac.c index 25a6c87..c572700 100644 --- a/drivers/net/ethernet/hisilicon/hix5hd2_gmac.c +++ b/drivers/net/ethernet/hisilicon/hix5hd2_gmac.c @@ -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, - GFP_KERNEL); + 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; -- 2.7.0