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| author | Jiri Pirko <jiri@resnulli.us> | 2013-10-18 17:43:37 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-10-19 18:58:45 -0400 |
| commit | 752d48b52ec929c6fd6ccd7ea9728571830fdd49 (patch) | |
| tree | 9cfca24ba271e1c6ba64fae7417437f729c166ea /drivers/net/bonding | |
| parent | 080a06e1a9a5d2c55884d5fba8755d0af838cd5c (diff) | |
| download | linux-752d48b52ec929c6fd6ccd7ea9728571830fdd49.tar.gz linux-752d48b52ec929c6fd6ccd7ea9728571830fdd49.tar.bz2 linux-752d48b52ec929c6fd6ccd7ea9728571830fdd49.zip | |
bonding: move active_slave getting into separate function
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bonding')
| -rw-r--r-- | drivers/net/bonding/bond_options.c | 18 | ||||
| -rw-r--r-- | drivers/net/bonding/bond_sysfs.c | 8 | ||||
| -rw-r--r-- | drivers/net/bonding/bonding.h | 2 |
3 files changed, 24 insertions, 4 deletions
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index 09af5d10d43a..9a5223c7b4d1 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -57,6 +57,24 @@ int bond_option_mode_set(struct bonding *bond, int mode) return 0; } +static struct net_device *__bond_option_active_slave_get(struct bonding *bond, + struct slave *slave) +{ + return USES_PRIMARY(bond->params.mode) && slave ? slave->dev : NULL; +} + +struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond) +{ + struct slave *slave = rcu_dereference(bond->curr_active_slave); + + 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); +} + int bond_option_active_slave_set(struct bonding *bond, struct net_device *slave_dev) { diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index abd260047103..47749c970a01 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -1219,13 +1219,13 @@ static ssize_t bonding_show_active_slave(struct device *d, char *buf) { struct bonding *bond = to_bond(d); - struct slave *curr; + struct net_device *slave_dev; int count = 0; rcu_read_lock(); - curr = rcu_dereference(bond->curr_active_slave); - if (USES_PRIMARY(bond->params.mode) && curr) - count = sprintf(buf, "%s\n", curr->dev->name); + slave_dev = bond_option_active_slave_get_rcu(bond); + if (slave_dev) + count = sprintf(buf, "%s\n", slave_dev->name); rcu_read_unlock(); return count; diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 686759dce4c6..046a60535e04 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -428,6 +428,8 @@ int bond_netlink_init(void); void bond_netlink_fini(void); int bond_option_mode_set(struct bonding *bond, int mode); int bond_option_active_slave_set(struct bonding *bond, struct net_device *slave_dev); +struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond); +struct net_device *bond_option_active_slave_get(struct bonding *bond); struct bond_net { struct net * net; /* Associated network namespace */ |