]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
net: phy: fixed_phy: let fixed_phy_unregister free the phy_device
authorHeiner Kallweit <hkallweit1@gmail.com>
Sat, 23 Aug 2025 21:25:05 +0000 (23:25 +0200)
committerJakub Kicinski <kuba@kernel.org>
Wed, 27 Aug 2025 00:19:40 +0000 (17:19 -0700)
fixed_phy_register() creates and registers the phy_device. To be
symmetric, we should not only unregister, but also free the phy_device
in fixed_phy_unregister(). This allows to simplify code in users.

Note wrt of_phy_deregister_fixed_link():
put_device(&phydev->mdio.dev) and phy_device_free(phydev) are identical.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/ad8dda9a-10ed-4060-916b-3f13bdbb899d@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/dsa/dsa_loop.c
drivers/net/mdio/of_mdio.c
drivers/net/phy/fixed_phy.c

index d8a35f25a4c822a5ef3bc75dfdcd12acb4a89ad8..ad907287a853a91e36ead3955907a394439900ab 100644 (file)
@@ -386,13 +386,10 @@ static struct mdio_driver dsa_loop_drv = {
 
 static void dsa_loop_phydevs_unregister(void)
 {
-       unsigned int i;
-
-       for (i = 0; i < NUM_FIXED_PHYS; i++)
-               if (!IS_ERR(phydevs[i])) {
+       for (int i = 0; i < NUM_FIXED_PHYS; i++) {
+               if (!IS_ERR(phydevs[i]))
                        fixed_phy_unregister(phydevs[i]);
-                       phy_device_free(phydevs[i]);
-               }
+       }
 }
 
 static int __init dsa_loop_init(void)
index 98f667b121f7dec5b8825e40f143c8748b17b9aa..d8ca63ed871944a4e330e3897459e2434ec78a45 100644 (file)
@@ -473,6 +473,5 @@ void of_phy_deregister_fixed_link(struct device_node *np)
        fixed_phy_unregister(phydev);
 
        put_device(&phydev->mdio.dev);  /* of_phy_find_device() */
-       phy_device_free(phydev);        /* fixed_phy_register() */
 }
 EXPORT_SYMBOL(of_phy_deregister_fixed_link);
index 5a1badb9bbabbb4e36f468fa702ba9df04b02705..f0e8a6c524caf36d2bacf68e67f91866b5c41e29 100644 (file)
@@ -307,6 +307,7 @@ void fixed_phy_unregister(struct phy_device *phy)
        phy_device_remove(phy);
        of_node_put(phy->mdio.dev.of_node);
        fixed_phy_del(phy->mdio.addr);
+       phy_device_free(phy);
 }
 EXPORT_SYMBOL_GPL(fixed_phy_unregister);