of: mdio: Add of_node_put() when breaking out of for_each_xx

[ Upstream commit 1c48709e6d9d353acaaac1d8e33474756b121d78 ]

In of_mdiobus_register(), we should call of_node_put() for 'child'
escaped out of for_each_available_child_of_node().

Fixes: 66bdede495c7 ("of_mdio: Fix broken PHY IRQ in case of probe deferral")
Co-developed-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220913125659.3331969-1-windhl@126.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 8b7d3e64b8cab66faf8b500b5fcaf58801300de3..41a23db21392b86560900e3424b51af55f4b2274 100644 (file)
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -272,6 +272,7 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
        return 0;
 
 unregister:
+       of_node_put(child);
        mdiobus_unregister(mdio);
        return rc;
 }