diff options
| -rw-r--r-- | net/switchdev/switchdev.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index c9bfa004abed..46568b85c333 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c @@ -47,11 +47,20 @@ EXPORT_SYMBOL_GPL(netdev_switch_parent_id_get); int netdev_switch_port_stp_update(struct net_device *dev, u8 state) { const struct swdev_ops *ops = dev->swdev_ops; + struct net_device *lower_dev; + struct list_head *iter; + int err = -EOPNOTSUPP; - if (!ops || !ops->swdev_port_stp_update) - return -EOPNOTSUPP; - WARN_ON(!ops->swdev_parent_id_get); - return ops->swdev_port_stp_update(dev, state); + if (ops && ops->swdev_port_stp_update) + return ops->swdev_port_stp_update(dev, state); + + netdev_for_each_lower_dev(dev, lower_dev, iter) { + err = netdev_switch_port_stp_update(lower_dev, state); + if (err && err != -EOPNOTSUPP) + return err; + } + + return err; } EXPORT_SYMBOL_GPL(netdev_switch_port_stp_update); |