diff options
| -rw-r--r-- | drivers/net/bonding/bond_main.c | 44 |
1 files changed, 12 insertions, 32 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index a141f406cb98..0a7e32578540 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2118,49 +2118,29 @@ void bond_mii_monitor(struct work_struct *work) struct bonding *bond = container_of(work, struct bonding, mii_work.work); bool should_notify_peers = false; - unsigned long delay; - read_lock(&bond->lock); - - delay = msecs_to_jiffies(bond->params.miimon); + if (!rtnl_trylock()) + goto re_arm; - if (!bond_has_slaves(bond)) + if (!bond_has_slaves(bond)) { + rtnl_unlock(); goto re_arm; + } should_notify_peers = bond_should_notify_peers(bond); - if (bond_miimon_inspect(bond)) { - read_unlock(&bond->lock); - - /* Race avoidance with bond_close cancel of workqueue */ - if (!rtnl_trylock()) { - read_lock(&bond->lock); - delay = 1; - should_notify_peers = false; - goto re_arm; - } - - read_lock(&bond->lock); - + if (bond_miimon_inspect(bond)) bond_miimon_commit(bond); - read_unlock(&bond->lock); - rtnl_unlock(); /* might sleep, hold no other locks */ - read_lock(&bond->lock); - } + if (should_notify_peers) + call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, bond->dev); + + rtnl_unlock(); re_arm: if (bond->params.miimon) - queue_delayed_work(bond->wq, &bond->mii_work, delay); - - read_unlock(&bond->lock); - - if (should_notify_peers) { - if (!rtnl_trylock()) - return; - call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, bond->dev); - rtnl_unlock(); - } + queue_delayed_work(bond->wq, &bond->mii_work, + msecs_to_jiffies(bond->params.miimon)); } static bool bond_has_this_ip(struct bonding *bond, __be32 ip) |