diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/phy/mdio_bus.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 346e88435d29..26b00af94573 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -170,7 +170,12 @@ EXPORT_SYMBOL(mdiobus_alloc_size); static void _devm_mdiobus_free(struct device *dev, void *res) { - mdiobus_free(*(struct mii_bus **)res); + struct mii_bus *bus = *(struct mii_bus **)res; + + if (bus->is_managed_registered && bus->state == MDIOBUS_REGISTERED) + mdiobus_unregister(bus); + + mdiobus_free(bus); } static int devm_mdiobus_match(struct device *dev, void *res, void *data) @@ -210,6 +215,7 @@ struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv) if (bus) { *ptr = bus; devres_add(dev, ptr); + bus->is_managed = 1; } else { devres_free(ptr); } |