Patch "net: mdiobus: fwnode_mdiobus_register_phy() rework error handling" has been added to the 6.0-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    net: mdiobus: fwnode_mdiobus_register_phy() rework error handling

to the 6.0-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     net-mdiobus-fwnode_mdiobus_register_phy-rework-error.patch
and it can be found in the queue-6.0 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit a29888f7ed1b766cb7ecac7942f28ae543aef9de
Author: Oleksij Rempel <linux@xxxxxxxxxxxxxxxx>
Date:   Mon Oct 3 08:51:58 2022 +0200

    net: mdiobus: fwnode_mdiobus_register_phy() rework error handling
    
    [ 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@xxxxxxxxxxxxxx>
    Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
    Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
    Stable-dep-of: 165df24186ec ("net: mdiobus: fix double put fwnode in the error path")
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

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);