From c8c23903f12a62708606b5cdba8cd8550cd6bdcd Mon Sep 17 00:00:00 2001 From: Veaceslav Falico Date: Wed, 25 Sep 2013 09:20:25 +0200 Subject: [PATCH] bonding: remove bond_prev_slave() We don't really need it, and it's really hard to RCUify the list->prev. CC: Jay Vosburgh CC: Andy Gospodarek Signed-off-by: Veaceslav Falico Signed-off-by: David S. Miller --- drivers/net/bonding/bond_main.c | 9 +++------ drivers/net/bonding/bonding.h | 4 ---- 2 files changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 06ffc8a..6aa345a 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1255,7 +1255,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) { struct bonding *bond = netdev_priv(bond_dev); const struct net_device_ops *slave_ops = slave_dev->netdev_ops; - struct slave *new_slave = NULL; + struct slave *new_slave = NULL, *prev_slave; struct sockaddr addr; int link_reporting; int res = 0, i; @@ -1472,6 +1472,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) write_lock_bh(&bond->lock); + prev_slave = bond_last_slave(bond); bond_attach_slave(bond, new_slave); new_slave->delay = 0; @@ -1566,9 +1567,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) */ bond_3ad_initialize(bond, 1000/AD_TIMER_INTERVAL); } else { - struct slave *prev_slave; - - prev_slave = bond_prev_slave(bond, new_slave); SLAVE_AD_INFO(new_slave).id = SLAVE_AD_INFO(prev_slave).id + 1; } @@ -3506,9 +3504,8 @@ static int bond_change_mtu(struct net_device *bond_dev, int new_mtu) */ bond_for_each_slave(bond, slave, iter) { - pr_debug("s %p s->p %p c_m %p\n", + pr_debug("s %p c_m %p\n", slave, - bond_prev_slave(bond, slave), slave->dev->netdev_ops->ndo_change_mtu); res = dev_set_mtu(slave->dev, new_mtu); diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 3eb464c..454d6af 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -96,10 +96,6 @@ (bond_is_last_slave(bond, pos) ? bond_first_slave(bond) : \ bond_to_slave((pos)->list.next)) -#define bond_prev_slave(bond, pos) \ - (bond_is_first_slave(bond, pos) ? bond_last_slave(bond) : \ - bond_to_slave((pos)->list.prev)) - /** * bond_for_each_slave - iterate over all slaves * @bond: the bond holding this list -- 2.7.4