* [PATCH net-next] net: hix5hd2_gmac: use dma_zalloc_coherent instead of allocator/memset
@ 2018-07-19 13:57 YueHaibing
2018-07-21 23:31 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: YueHaibing @ 2018-07-19 13:57 UTC (permalink / raw)
To: yisen.zhuang, salil.mehta, davem; +Cc: linux-kernel, netdev, YueHaibing
Use dma_zalloc_coherent instead of dma_alloc_coherent
followed by memset 0.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
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
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2018-07-19 13:57 [PATCH net-next] net: hix5hd2_gmac: use dma_zalloc_coherent instead of allocator/memset YueHaibing
2018-07-21 23:31 ` David Miller
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