Re: [PATCH] infiniband/hw/hns/hns_roce_hw_v2.c: Use dma_zalloc_coherent

From: Souptick Joarder
Date: Sat Nov 10 2018 - 01:27:45 EST


On Fri, Nov 9, 2018 at 8:08 PM Sabyasachi Gupta
<sabyasachi.linux@xxxxxxxxx> wrote:
>
> Replaced dma_alloc_coherent + memset with dma_zalloc_coherent

There are few other places in this file where same is applicable.
Can we get those changes in same patch ?
>
> Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@xxxxxxxxx>
> ---
> drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
> index a4c62ae..c9966ec 100644
> --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
> +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
> @@ -4972,13 +4972,12 @@ static int hns_roce_mhop_alloc_eq(struct hns_roce_dev *hr_dev,
> eqe_alloc = i * (buf_chk_sz / eq->eqe_size);
> size = (eq->entries - eqe_alloc) * eq->eqe_size;
> }
> - eq->buf[i] = dma_alloc_coherent(dev, size,
> + eq->buf[i] = dma_zalloc_coherent(dev, size,
> &(eq->buf_dma[i]),
> GFP_KERNEL);
> if (!eq->buf[i])
> goto err_dma_alloc_buf;
>
> - memset(eq->buf[i], 0, size);
> *(eq->bt_l0 + i) = eq->buf_dma[i];
>
> eq_buf_cnt++;
> --
> 2.7.4
>