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

From: Huazhong Tan
Date: Sat Apr 06 2019 - 03:44:54 EST


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

Signed-off-by: Huazhong Tan <tanhuazhong@xxxxxxxxxx>
Signed-off-by: Peng Li <lipeng321@xxxxxxxxxx>
---
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