From: Vladimir Oltean <[email protected]>
commit 8fd54a73b7cda11548154451bdb4bde6d8ff74c7 upstream.
Since teardown is supposed to undo the effects of the setup method, it
should be called in the error path for dsa_switch_setup, not just in
dsa_switch_teardown.
Fixes: 5e3f847a02aa ("net: dsa: Add teardown callback for drivers")
Signed-off-by: Vladimir Oltean <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/dsa/dsa2.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -462,20 +462,23 @@ static int dsa_switch_setup(struct dsa_s
ds->slave_mii_bus = devm_mdiobus_alloc(ds->dev);
if (!ds->slave_mii_bus) {
err = -ENOMEM;
- goto unregister_notifier;
+ goto teardown;
}
dsa_slave_mii_bus_init(ds);
err = mdiobus_register(ds->slave_mii_bus);
if (err < 0)
- goto unregister_notifier;
+ goto teardown;
}
ds->setup = true;
return 0;
+teardown:
+ if (ds->ops->teardown)
+ ds->ops->teardown(ds);
unregister_notifier:
dsa_switch_unregister_notifier(ds);
unregister_devlink_ports:
