linux-kernel - [PATCH net-next 09/12] net: hns3: fix improper error handling in the hclge_init_ae

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Date:   Thu, 31 Jan 2019 04:55:49 +0800
From:   Huazhong Tan <tanhuazhong@...wei.com>
To:     <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <huangdaode@...ilicon.com>, <yisen.zhuang@...wei.com>,
        <salil.mehta@...wei.com>, <linuxarm@...wei.com>,
        Huazhong Tan <tanhuazhong@...wei.com>,
        Peng Li <lipeng321@...wei.com>
Subject: [PATCH net-next 09/12] net: hns3: fix improper error handling in the hclge_init_ae_dev()

While hclge_init_umv_space() failed in the hclge_init_ae_dev(),
we should undo all the operation which has been done successfully,
the last success operation maybe hclge_mac_mdio_config(), so if
hclge_init_umv_space() failed, we also need to undo it.

Fixes: 288475b2ad01 ("{topost} net: hns3: refine umv space allocation")
Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>
Signed-off-by: Peng Li <lipeng321@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 42f0f8824b47..b531eac12fea 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -7383,7 +7383,7 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev)
 	ret = hclge_init_umv_space(hdev);
 	if (ret) {
 		dev_err(&pdev->dev, "umv space init error, ret=%d.\n", ret);
-		goto err_msi_irq_uninit;
+		goto err_mdiobus_unreg;
 	}
 
 	ret = hclge_mac_init(hdev);
-- 
2.20.1