From: Oleksij Rempel o.rempel@pengutronix.de
[ Upstream commit cfaa202a73eafaf91a3d0a86b5e5df006562f5c0 ]
Rework error handling as preparation for PSE patch. This patch should make it easier to extend this function.
Signed-off-by: Oleksij Rempel o.rempel@pengutronix.de Reviewed-by: Andrew Lunn andrew@lunn.ch Signed-off-by: Jakub Kicinski kuba@kernel.org Stable-dep-of: 165df24186ec ("net: mdiobus: fix double put fwnode in the error path") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/mdio/fwnode_mdio.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-)
diff --git a/drivers/net/mdio/fwnode_mdio.c b/drivers/net/mdio/fwnode_mdio.c index 40e745a1d185..403b07f8ec2c 100644 --- a/drivers/net/mdio/fwnode_mdio.c +++ b/drivers/net/mdio/fwnode_mdio.c @@ -110,8 +110,8 @@ int fwnode_mdiobus_register_phy(struct mii_bus *bus, else phy = phy_device_create(bus, addr, phy_id, 0, NULL); if (IS_ERR(phy)) { - unregister_mii_timestamper(mii_ts); - return PTR_ERR(phy); + rc = PTR_ERR(phy); + goto clean_mii_ts; }
if (is_acpi_node(child)) { @@ -125,17 +125,13 @@ int fwnode_mdiobus_register_phy(struct mii_bus *bus, /* All data is now stored in the phy struct, so register it */ rc = phy_device_register(phy); if (rc) { - phy_device_free(phy); fwnode_handle_put(phy->mdio.dev.fwnode); - return rc; + goto clean_phy; } } else if (is_of_node(child)) { rc = fwnode_mdiobus_phy_device_register(bus, phy, child, addr); - if (rc) { - unregister_mii_timestamper(mii_ts); - phy_device_free(phy); - return rc; - } + if (rc) + goto clean_phy; }
/* phy->mii_ts may already be defined by the PHY driver. A @@ -145,5 +141,12 @@ int fwnode_mdiobus_register_phy(struct mii_bus *bus, if (mii_ts) phy->mii_ts = mii_ts; return 0; + +clean_phy: + phy_device_free(phy); +clean_mii_ts: + unregister_mii_timestamper(mii_ts); + + return rc; } EXPORT_SYMBOL(fwnode_mdiobus_register_phy);