diff mbox series

[5.10,07/57] net: dsa: bcm_sf2: put device node before return

Message ID 20210205140656.290041582@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Feb. 5, 2021, 2:06 p.m. UTC 
From: Pan Bian <bianpan2016@163.com>

commit cf3c46631e1637582f517a574c77cd6c05793817 upstream.

Put the device node dn before return error code on failure path.

Fixes: 461cd1b03e32 ("net: dsa: bcm_sf2: Register our slave MDIO bus")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Link: https://lore.kernel.org/r/20210121123343.26330-1-bianpan2016@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/dsa/bcm_sf2.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
diff mbox series

Patch

--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -509,15 +509,19 @@  static int bcm_sf2_mdio_register(struct
 	/* Find our integrated MDIO bus node */
 	dn = of_find_compatible_node(NULL, NULL, "brcm,unimac-mdio");
 	priv->master_mii_bus = of_mdio_find_bus(dn);
-	if (!priv->master_mii_bus)
+	if (!priv->master_mii_bus) {
+		of_node_put(dn);
 		return -EPROBE_DEFER;
+	}
 
 	get_device(&priv->master_mii_bus->dev);
 	priv->master_mii_dn = dn;
 
 	priv->slave_mii_bus = devm_mdiobus_alloc(ds->dev);
-	if (!priv->slave_mii_bus)
+	if (!priv->slave_mii_bus) {
+		of_node_put(dn);
 		return -ENOMEM;
+	}
 
 	priv->slave_mii_bus->priv = priv;
 	priv->slave_mii_bus->name = "sf2 slave mii";