net: dsa: mt7530: add missing of_node_put() in mt7530_setup()

commit a9e9b091a1c14ecd8bd9d3214a62142a1786fe30 upstream.

Add of_node_put() if of_get_phy_mode() fails in mt7530_setup()

Fixes: 0c65b2b90d13 ("net: of_get_phy_mode: Change API to solve int/unit warnings")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220428095317.538829-1-yangyingliang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 5ee8809bc27112cfd9da1430531abfc6da73f592..c355824ddb814867fc5339e188ab0d5d540accd4 100644 (file)
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -1663,6 +1663,7 @@ mt7530_setup(struct dsa_switch *ds)
                                ret = of_get_phy_mode(mac_np, &interface);
                                if (ret && ret != -ENODEV) {
                                        of_node_put(mac_np);
+                                       of_node_put(phy_node);
                                        return ret;
                                }
                                id = of_mdio_parse_addr(ds->dev, phy_node);