linux-kernel - [PATCH] infiniband/hw/hns/hns_roce_hw_v2.c: Use dma_zalloc

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Message-ID: <5be59bf8.1c69fb81.a231.dcd6@mx.google.com>
Date:   Fri, 9 Nov 2018 20:08:37 +0530
From:   Sabyasachi Gupta <sabyasachi.linux@...il.com>
To:     oulijun@...wei.com, xavier.huwei@...wei.com, dledford@...hat.com,
        jgg@...pe.ca
Cc:     jrdr.linux@...il.com, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org, brajeswar.linux@...il.com
Subject: [PATCH] infiniband/hw/hns/hns_roce_hw_v2.c: Use dma_zalloc_coherent

Replaced dma_alloc_coherent + memset with dma_zalloc_coherent

Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@...il.com>
---
 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