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path: root/drivers/net/phy/mdio_bus.c
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Diffstat (limited to 'drivers/net/phy/mdio_bus.c')
-rw-r--r--drivers/net/phy/mdio_bus.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index c204067f1890..58d602985877 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -176,9 +176,11 @@ static void mdiobus_release(struct device *d)
{
struct mii_bus *bus = to_mii_bus(d);
- BUG_ON(bus->state != MDIOBUS_RELEASED &&
- /* for compatibility with error handling in drivers */
- bus->state != MDIOBUS_ALLOCATED);
+ WARN(bus->state != MDIOBUS_RELEASED &&
+ /* for compatibility with error handling in drivers */
+ bus->state != MDIOBUS_ALLOCATED,
+ "%s: not in RELEASED or ALLOCATED state\n",
+ bus->id);
kfree(bus);
}
@@ -460,6 +462,9 @@ static void of_mdiobus_link_mdiodev(struct mii_bus *bus,
if (addr == mdiodev->addr) {
device_set_node(dev, of_fwnode_handle(child));
+ /* The refcount on "child" is passed to the mdio
+ * device. Do _not_ use of_node_put(child) here.
+ */
return;
}
}
@@ -529,8 +534,9 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner)
bus->parent->of_node->fwnode.flags |=
FWNODE_FLAG_NEEDS_CHILD_BOUND_ON_ADD;
- BUG_ON(bus->state != MDIOBUS_ALLOCATED &&
- bus->state != MDIOBUS_UNREGISTERED);
+ WARN(bus->state != MDIOBUS_ALLOCATED &&
+ bus->state != MDIOBUS_UNREGISTERED,
+ "%s: not in ALLOCATED or UNREGISTERED state\n", bus->id);
bus->owner = owner;
bus->dev.parent = bus->parent;
@@ -591,7 +597,7 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner)
mdiobus_setup_mdiodev_from_board_info(bus, mdiobus_create_device);
bus->state = MDIOBUS_REGISTERED;
- pr_info("%s: probed\n", bus->name);
+ dev_dbg(&bus->dev, "probed\n");
return 0;
error:
@@ -658,7 +664,8 @@ void mdiobus_free(struct mii_bus *bus)
return;
}
- BUG_ON(bus->state != MDIOBUS_UNREGISTERED);
+ WARN(bus->state != MDIOBUS_UNREGISTERED,
+ "%s: not in UNREGISTERED state\n", bus->id);
bus->state = MDIOBUS_RELEASED;
put_device(&bus->dev);