From: YueHaibing <yuehaibing@huawei.com>
To: <davem@davemloft.net>, <jeffrey.t.kirsher@intel.com>
Cc: <linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>,
<intel-wired-lan@lists.osuosl.org>,
YueHaibing <yuehaibing@huawei.com>
Subject: [PATCH net-next] ixgb: use dma_zalloc_coherent instead of allocator/memset
Date: Thu, 19 Jul 2018 22:04:07 +0800 [thread overview]
Message-ID: <20180719140407.15388-1-yuehaibing@huawei.com> (raw)
Use dma_zalloc_coherent instead of dma_alloc_coherent
followed by memset 0.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
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 43664ad..d3e72d0 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;
--
2.7.0
reply other threads:[~2018-07-19 14:04 UTC|newest]
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