61 lines
2.2 KiB
Diff
61 lines
2.2 KiB
Diff
From 3efcdbc96a9e44d11a381e2700d3e66c7077dbfc Mon Sep 17 00:00:00 2001
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From: Peng Li <lipeng321@huawei.com>
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Date: Tue, 28 Sep 2021 11:51:57 +0800
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Subject: [PATCH 106/283] net: hns3: use memcpy to simplify code
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mainline inclusion
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from mainline-v5.15-rc1
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commit 304cd8e776ddca5021dd9c1d7603ea40afc48ec6
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category: feature
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bugzilla: https://gitee.com/src-openeuler/kernel/issues/I8EMYT
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CVE: NA
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Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=304cd8e776ddca5021dd9c1d7603ea40afc48ec6
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----------------------------------------------------------------------
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Use memcpy to copy req->msg.resp_data to resp->additional_info,
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to simplify the code and improve a little efficiency.
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Signed-off-by: Peng Li <lipeng321@huawei.com>
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Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Reviewed-by: Yongxin Li <liyongxin1@huawei.com>
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Signed-off-by: Junxin Chen <chenjunxin1@huawei.com>
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Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
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Signed-off-by: Xiaodong Li <lixiaodong67@huawei.com>
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---
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drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c | 9 ++-------
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1 file changed, 2 insertions(+), 7 deletions(-)
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diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
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index 244b83e22f53..41e303a42a9d 100644
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--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
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+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
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@@ -189,8 +189,6 @@ void hclgevf_mbx_handler(struct hclgevf_dev *hdev)
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struct hclgevf_desc *desc;
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u16 *msg_q;
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u16 flag;
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- u8 *temp;
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- int i;
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resp = &hdev->mbx_resp;
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crq = &hdev->hw.cmq.crq;
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@@ -237,11 +235,8 @@ void hclgevf_mbx_handler(struct hclgevf_dev *hdev)
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resp->resp_status =
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hclgevf_resp_to_errno(req->msg.resp_status);
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- temp = (u8 *)req->msg.resp_data;
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- for (i = 0; i < HCLGE_MBX_MAX_RESP_DATA_SIZE; i++) {
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- resp->additional_info[i] = *temp;
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- temp++;
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- }
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+ memcpy(resp->additional_info, req->msg.resp_data,
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+ HCLGE_MBX_MAX_RESP_DATA_SIZE * sizeof(u8));
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/* ensure additional_info will be seen before setting
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* received_resp
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--
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2.34.1
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