netdev - [PATCH net-next 10/12] net: hns3: add error handler for initializing command queue

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Date:   Sat, 6 Apr 2019 15:43:34 +0800
From:   Huazhong Tan <tanhuazhong@...wei.com>
To:     <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <salil.mehta@...wei.com>, <yisen.zhuang@...wei.com>,
        <linuxarm@...wei.com>, Huazhong Tan <tanhuazhong@...wei.com>,
        Peng Li <lipeng321@...wei.com>
Subject: [PATCH net-next 10/12] net: hns3: add error handler for initializing command queue

This patch adds error handler for the failure of command queue
initialization both PF and VF.

Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>
Signed-off-by: Peng Li <lipeng321@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c   | 11 ++++++++---
 drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c | 11 ++++++++---
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
index 722bb31..cf7ff4a 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
@@ -373,21 +373,26 @@ int hclge_cmd_init(struct hclge_dev *hdev)
 	 * reset may happen when lower level reset is being processed.
 	 */
 	if ((hclge_is_reset_pending(hdev))) {
-		set_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state);
-		return -EBUSY;
+		ret = -EBUSY;
+		goto err_cmd_init;
 	}
 
 	ret = hclge_cmd_query_firmware_version(&hdev->hw, &version);
 	if (ret) {
 		dev_err(&hdev->pdev->dev,
 			"firmware version query failed %d\n", ret);
-		return ret;
+		goto err_cmd_init;
 	}
 	hdev->fw_version = version;
 
 	dev_info(&hdev->pdev->dev, "The firmware version is %08x\n", version);
 
 	return 0;
+
+err_cmd_init:
+	set_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state);
+
+	return ret;
 }
 
 static void hclge_cmd_uninit_regs(struct hclge_hw *hw)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
index 930b175..054556e 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
@@ -357,8 +357,8 @@ int hclgevf_cmd_init(struct hclgevf_dev *hdev)
 	 * reset may happen when lower level reset is being processed.
 	 */
 	if (hclgevf_is_reset_pending(hdev)) {
-		set_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state);
-		return -EBUSY;
+		ret = -EBUSY;
+		goto err_cmd_init;
 	}
 
 	/* get firmware version */
@@ -366,13 +366,18 @@ int hclgevf_cmd_init(struct hclgevf_dev *hdev)
 	if (ret) {
 		dev_err(&hdev->pdev->dev,
 			"failed(%d) to query firmware version\n", ret);
-		return ret;
+		goto err_cmd_init;
 	}
 	hdev->fw_version = version;
 
 	dev_info(&hdev->pdev->dev, "The firmware version is %08x\n", version);
 
 	return 0;
+
+err_cmd_init:
+	set_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state);
+
+	return ret;
 }
 
 static void hclgevf_cmd_uninit_regs(struct hclgevf_hw *hw)
-- 
2.7.4