[PATCH] net: hns: Fix memleak in hns_nic_dev_probe

[Dinghao Liu]

hns_nic_dev_probe allocates ndev, but not free it on
two error handling paths, which may lead to memleak.

Fixes: 63434888aaf1b ("net: hns: net: hns: enet adds support of acpi")
Signed-off-by: Dinghao Liu <dinghao....@zju.edu.cn>
---
 drivers/net/ethernet/hisilicon/hns/hns_enet.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c 
b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index 23f278e46975..22522f8a5299 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -2282,8 +2282,10 @@ static int hns_nic_dev_probe(struct platform_device 
*pdev)
                        priv->enet_ver = AE_VERSION_1;
                else if (acpi_dev_found(hns_enet_acpi_match[1].id))
                        priv->enet_ver = AE_VERSION_2;
-               else
-                       return -ENXIO;
+               else {
+                       ret = -ENXIO;
+                       goto out_read_prop_fail;
+               }
 
                /* try to find port-idx-in-ae first */
                ret = acpi_node_get_property_reference(dev->fwnode,
@@ -2299,7 +2301,8 @@ static int hns_nic_dev_probe(struct platform_device *pdev)
                priv->fwnode = args.fwnode;
        } else {
                dev_err(dev, "cannot read cfg data from OF or acpi\n");
-               return -ENXIO;
+               ret = -ENXIO;
+               goto out_read_prop_fail;
        }
 
        ret = device_property_read_u32(dev, "port-idx-in-ae", &port_id);
-- 
2.17.1