diff options
Diffstat (limited to 'drivers/net/bonding/bond_netlink.c')
| -rw-r--r-- | drivers/net/bonding/bond_netlink.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c index 5ab3c1847e67..4d97e23eb497 100644 --- a/drivers/net/bonding/bond_netlink.c +++ b/drivers/net/bonding/bond_netlink.c @@ -398,20 +398,31 @@ static size_t bond_get_size(const struct net_device *bond_dev) 0; } +static int bond_option_active_slave_get_ifindex(struct bonding *bond) +{ + const struct net_device *slave; + int ifindex; + + rcu_read_lock(); + slave = bond_option_active_slave_get_rcu(bond); + ifindex = slave ? slave->ifindex : 0; + rcu_read_unlock(); + return ifindex; +} + static int bond_fill_info(struct sk_buff *skb, const struct net_device *bond_dev) { struct bonding *bond = netdev_priv(bond_dev); - struct net_device *slave_dev = bond_option_active_slave_get(bond); - struct nlattr *targets; unsigned int packets_per_slave; - int i, targets_added; + int ifindex, i, targets_added; + struct nlattr *targets; if (nla_put_u8(skb, IFLA_BOND_MODE, BOND_MODE(bond))) goto nla_put_failure; - if (slave_dev && - nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, slave_dev->ifindex)) + ifindex = bond_option_active_slave_get_ifindex(bond); + if (ifindex && nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, ifindex)) goto nla_put_failure; if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon)) |