[PATCH 5.10 03/57] net: fec: put child node on error path

From: Greg Kroah-Hartman
Date: Fri Feb 05 2021 - 13:57:30 EST


From: Pan Bian <bianpan2016@xxxxxxx>

commit 0607a2cddb60f4548b55e28ac56a8d73493a45bb upstream.

Also decrement the reference count of child device on error path.

Fixes: 3e782985cb3c ("net: ethernet: fec: Allow configuration of MDIO bus speed")
Signed-off-by: Pan Bian <bianpan2016@xxxxxxx>
Link: https://lore.kernel.org/r/20210120122037.83897-1-bianpan2016@xxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/freescale/fec_main.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 04f24c66cf36..55c28fbc5f9e 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -2165,9 +2165,9 @@ static int fec_enet_mii_init(struct platform_device *pdev)
fep->mii_bus->parent = &pdev->dev;

err = of_mdiobus_register(fep->mii_bus, node);
- of_node_put(node);
if (err)
goto err_out_free_mdiobus;
+ of_node_put(node);

mii_cnt++;

@@ -2180,6 +2180,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
err_out_free_mdiobus:
mdiobus_free(fep->mii_bus);
err_out:
+ of_node_put(node);
return err;
}

--
2.30.0