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>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
index 3b9e74be5fbd..b8155f5e71b4 100644
--- 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;
         }