From ed0e658c51aadb64b871cfa3de7d26599f171cdb Mon Sep 17 00:00:00 2001 From: Jiaran Zhang Date: Mon, 29 Nov 2021 22:00:18 +0800 Subject: [PATCH] net: hns3: refactor reset_prepare_general retry statement Currently, the hclge_reset_prepare_general function uses the goto statement to jump upwards, which increases code complexity and makes the program structure difficult to understand. In addition, if reset_pending is set, retry_cnt cannot be increased. This may result in a failure to exit the retry or increase the number of retries. Use the while statement instead to make the program easier to understand and solve the problem that the goto statement cannot be exited. Signed-off-by: Jiaran Zhang Signed-off-by: Guangbin Huang Signed-off-by: David S. Miller --- .../hisilicon/hns3/hns3pf/hclge_main.c | 32 ++++++++----------- .../hisilicon/hns3/hns3vf/hclgevf_main.c | 32 ++++++++----------- 2 files changed, 28 insertions(+), 36 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index a0628d139149d..5282f2632b3bb 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -11589,24 +11589,20 @@ static void hclge_reset_prepare_general(struct hnae3_ae_dev *ae_dev, int retry_cnt = 0; int ret; -retry: - down(&hdev->reset_sem); - set_bit(HCLGE_STATE_RST_HANDLING, &hdev->state); - hdev->reset_type = rst_type; - ret = hclge_reset_prepare(hdev); - if (ret || hdev->reset_pending) { - dev_err(&hdev->pdev->dev, "fail to prepare to reset, ret=%d\n", - ret); - if (hdev->reset_pending || - retry_cnt++ < HCLGE_RESET_RETRY_CNT) { - dev_err(&hdev->pdev->dev, - "reset_pending:0x%lx, retry_cnt:%d\n", - hdev->reset_pending, retry_cnt); - clear_bit(HCLGE_STATE_RST_HANDLING, &hdev->state); - up(&hdev->reset_sem); - msleep(HCLGE_RESET_RETRY_WAIT_MS); - goto retry; - } + while (retry_cnt++ < HCLGE_RESET_RETRY_CNT) { + down(&hdev->reset_sem); + set_bit(HCLGE_STATE_RST_HANDLING, &hdev->state); + hdev->reset_type = rst_type; + ret = hclge_reset_prepare(hdev); + if (!ret && !hdev->reset_pending) + break; + + dev_err(&hdev->pdev->dev, + "failed to prepare to reset, ret=%d, reset_pending:0x%lx, retry_cnt:%d\n", + ret, hdev->reset_pending, retry_cnt); + clear_bit(HCLGE_STATE_RST_HANDLING, &hdev->state); + up(&hdev->reset_sem); + msleep(HCLGE_RESET_RETRY_WAIT_MS); } /* disable misc vector before reset done */ diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 3f29062eaf2e0..0568cc31d391a 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -2166,24 +2166,20 @@ static void hclgevf_reset_prepare_general(struct hnae3_ae_dev *ae_dev, int retry_cnt = 0; int ret; -retry: - down(&hdev->reset_sem); - set_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); - hdev->reset_type = rst_type; - ret = hclgevf_reset_prepare(hdev); - if (ret) { - dev_err(&hdev->pdev->dev, "fail to prepare to reset, ret=%d\n", - ret); - if (hdev->reset_pending || - retry_cnt++ < HCLGEVF_RESET_RETRY_CNT) { - dev_err(&hdev->pdev->dev, - "reset_pending:0x%lx, retry_cnt:%d\n", - hdev->reset_pending, retry_cnt); - clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); - up(&hdev->reset_sem); - msleep(HCLGEVF_RESET_RETRY_WAIT_MS); - goto retry; - } + while (retry_cnt++ < HCLGEVF_RESET_RETRY_CNT) { + down(&hdev->reset_sem); + set_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); + hdev->reset_type = rst_type; + ret = hclgevf_reset_prepare(hdev); + if (!ret && !hdev->reset_pending) + break; + + dev_err(&hdev->pdev->dev, + "failed to prepare to reset, ret=%d, reset_pending:0x%lx, retry_cnt:%d\n", + ret, hdev->reset_pending, retry_cnt); + clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); + up(&hdev->reset_sem); + msleep(HCLGEVF_RESET_RETRY_WAIT_MS); } /* disable misc vector before reset done */