net: dsa: add missing dsa_switch mdiobus remove

To prevent memory leakage on unbinding, add missing mdiobus unregister
and unallocation calls.

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index ed9d43fd1fecd3dbe1af8ee96995fd46db07b762..14fac4ed956939723cb87498a8e53b1b94135cb9 100644 (file)
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -424,6 +424,8 @@ static void dsa_switch_destroy(struct dsa_switch *ds)
        if (ds->hwmon_dev)
                hwmon_device_unregister(ds->hwmon_dev);
 #endif
+       mdiobus_unregister(ds->slave_mii_bus);
+       mdiobus_free(ds->slave_mii_bus);
 }
 
 #ifdef CONFIG_PM_SLEEP