hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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 <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YueHaibing 2018-07-19 21:57:11 +08:00 committed by David S. Miller
parent e064cce130
commit c1907e53ab
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/ethernet/hisilicon/hix5hd2_gmac.c
View File

@ -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;