From: YueHaibing Date: Thu, 19 Jul 2018 13:57:11 +0000 (+0800) Subject: net: hix5hd2_gmac: use dma_zalloc_coherent instead of allocator/memset X-Git-Tag: v4.19-rc1~140^2~300 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=c1907e53ab91495346c2a6fbff92478a6804c9bd;p=uclinux-h8%2Flinux.git 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: YueHaibing Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/hisilicon/hix5hd2_gmac.c b/drivers/net/ethernet/hisilicon/hix5hd2_gmac.c index 25a6c8722eca..c5727003af8c 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;