diff options
Diffstat (limited to 'drivers/net/bonding/bonding.h')
| -rw-r--r-- | drivers/net/bonding/bonding.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 4bf52d5f637e..230197d7abc7 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -267,9 +267,22 @@ struct bonding { #endif /* CONFIG_DEBUG_FS */ }; +/* if we hold rtnl_lock() - call vlan_uses_dev() */ static inline bool bond_vlan_used(struct bonding *bond) { - return !list_empty(&bond->vlan_list); + struct net_device *upper; + struct list_head *iter; + + rcu_read_lock(); + netdev_for_each_upper_dev_rcu(bond->dev, upper, iter) { + if (upper->priv_flags & IFF_802_1Q_VLAN) { + rcu_read_unlock(); + return true; + } + } + rcu_read_unlock(); + + return false; } #define bond_slave_get_rcu(dev) \ |