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authorEric Dumazet <edumazet@google.com>2014-07-15 17:56:53 +0400
committerDavid S. Miller <davem@davemloft.net>2014-07-16 04:49:41 +0400
commite965f8049460569bab12fe7bb5381bb2279712e2 (patch)
tree2ec33b91922c261f24e56f8715c491a1e295330c
parent725b70185d6b4ae73dc563725a95a0c10e242df5 (diff)
downloadlinux-e965f8049460569bab12fe7bb5381bb2279712e2.tar.xz
bonding: get rid of bond_option_active_slave_get()
Only keep bond_option_active_slave_get_rcu() helper. bond_fill_info() uses a new bond_option_active_slave_get_ifindex() helper. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Veaceslav Falico <vfalico@gmail.com> Reviewed-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/bonding/bond_netlink.c21
-rw-r--r--drivers/net/bonding/bond_options.c5
-rw-r--r--drivers/net/bonding/bonding.h1
3 files changed, 16 insertions, 11 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))
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index 540e0167bf24..b26271fd7b09 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -704,11 +704,6 @@ struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond)
return __bond_option_active_slave_get(bond, slave);
}
-struct net_device *bond_option_active_slave_get(struct bonding *bond)
-{
- return __bond_option_active_slave_get(bond, bond->curr_active_slave);
-}
-
static int bond_option_active_slave_set(struct bonding *bond,
const struct bond_opt_value *newval)
{
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 0b4d9cde0b05..713e2a99c661 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -514,7 +514,6 @@ unsigned int bond_get_num_tx_queues(void);
int bond_netlink_init(void);
void bond_netlink_fini(void);
struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond);
-struct net_device *bond_option_active_slave_get(struct bonding *bond);
const char *bond_slave_link_status(s8 link);
bool bond_verify_device_path(struct net_device *start_dev,
struct net_device *end_dev,