From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net 01/11] ixgb: use dma_zalloc_coherent instead of allocator/memset Date: Fri, 24 Aug 2018 11:47:25 -0700 Message-ID: <20180824184735.32175-2-jeffrey.t.kirsher@intel.com> References: <20180824184735.32175-1-jeffrey.t.kirsher@intel.com> Cc: YueHaibing , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher To: davem@davemloft.net Return-path: Received: from mga04.intel.com ([192.55.52.120]:31990 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726608AbeHXWX1 (ORCPT ); Fri, 24 Aug 2018 18:23:27 -0400 In-Reply-To: <20180824184735.32175-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: YueHaibing Use dma_zalloc_coherent instead of dma_alloc_coherent followed by memset 0. Signed-off-by: YueHaibing Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgb/ixgb_main.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c index 43664adf7a3c..d3e72d0f66ef 100644 --- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c +++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c @@ -771,14 +771,13 @@ ixgb_setup_rx_resources(struct ixgb_adapter *adapter) rxdr->size = rxdr->count * sizeof(struct ixgb_rx_desc); rxdr->size = ALIGN(rxdr->size, 4096); - rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma, - GFP_KERNEL); + rxdr->desc = dma_zalloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma, + GFP_KERNEL); if (!rxdr->desc) { vfree(rxdr->buffer_info); return -ENOMEM; } - memset(rxdr->desc, 0, rxdr->size); rxdr->next_to_clean = 0; rxdr->next_to_use = 0; -- 2.17.1