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authorJiri Pirko <jiri@resnulli.us>2013-10-18 17:43:37 +0200
committerDavid S. Miller <davem@davemloft.net>2013-10-20 00:58:45 +0200
commit752d48b52ec929c6fd6ccd7ea9728571830fdd49 (patch)
tree9cfca24ba271e1c6ba64fae7417437f729c166ea /drivers/net/bonding
parentbonding: remove bond_ioctl_change_active() (diff)
downloadlinux-752d48b52ec929c6fd6ccd7ea9728571830fdd49.tar.xz
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.c18
-rw-r--r--drivers/net/bonding/bond_sysfs.c8
-rw-r--r--drivers/net/bonding/bonding.h2
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 */