net: hns: Fix object reference leaks in hns_dsaf_roce_reset()

The of_find_device_by_node() takes a reference to the underlying device
structure, we should release that reference.

Signed-off-by: Huang Zijiang <huang.zijiang@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
index 3b9e74b..b8155f5 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
@@ -3081,6 +3081,7 @@ int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool dereset)
        dsaf_dev = dev_get_drvdata(&pdev->dev);
        if (!dsaf_dev) {
                dev_err(&pdev->dev, "dsaf_dev is NULL\n");
+               put_device(&pdev->dev);
                return -ENODEV;
        }
 
@@ -3088,6 +3089,7 @@ int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool dereset)
        if (AE_IS_VER1(dsaf_dev->dsaf_ver)) {
                dev_err(dsaf_dev->dev, "%s v1 chip doesn't support RoCE!\n",
                        dsaf_dev->ae_dev.name);
+               put_device(&pdev->dev);
                return -ENODEV;
        }