bonding: remove bond_ioctl_change_active()

no longer needed since bond_option_active_slave_set() can be used
instead.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index a113e42..d90734f 100644 (file)
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1910,61 +1910,6 @@ static int  bond_release_and_destroy(struct net_device *bond_dev,
        return ret;
 }
 
-/*
- * This function changes the active slave to slave <slave_dev>.
- * It returns -EINVAL in the following cases.
- *  - <slave_dev> is not found in the list.
- *  - There is not active slave now.
- *  - <slave_dev> is already active.
- *  - The link state of <slave_dev> is not BOND_LINK_UP.
- *  - <slave_dev> is not running.
- * In these cases, this function does nothing.
- * In the other cases, current_slave pointer is changed and 0 is returned.
- */
-static int bond_ioctl_change_active(struct net_device *bond_dev, struct net_device *slave_dev)
-{
-       struct bonding *bond = netdev_priv(bond_dev);
-       struct slave *old_active = NULL;
-       struct slave *new_active = NULL;
-       int res = 0;
-
-       if (!USES_PRIMARY(bond->params.mode))
-               return -EINVAL;
-
-       /* Verify that bond_dev is indeed the master of slave_dev */
-       if (!(slave_dev->flags & IFF_SLAVE) ||
-           !netdev_has_upper_dev(slave_dev, bond_dev))
-               return -EINVAL;
-
-       read_lock(&bond->lock);
-
-       old_active = bond->curr_active_slave;
-       new_active = bond_get_slave_by_dev(bond, slave_dev);
-       /*
-        * Changing to the current active: do nothing; return success.
-        */
-       if (new_active && new_active == old_active) {
-               read_unlock(&bond->lock);
-               return 0;
-       }
-
-       if (new_active &&
-           old_active &&
-           new_active->link == BOND_LINK_UP &&
-           IS_UP(new_active->dev)) {
-               block_netpoll_tx();
-               write_lock_bh(&bond->curr_slave_lock);
-               bond_change_active_slave(bond, new_active);
-               write_unlock_bh(&bond->curr_slave_lock);
-               unblock_netpoll_tx();
-       } else
-               res = -EINVAL;
-
-       read_unlock(&bond->lock);
-
-       return res;
-}
-
 static int bond_info_query(struct net_device *bond_dev, struct ifbond *info)
 {
        struct bonding *bond = netdev_priv(bond_dev);
@@ -3257,6 +3202,7 @@ static struct rtnl_link_stats64 *bond_get_stats(struct net_device *bond_dev,
 
 static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd)
 {
+       struct bonding *bond = netdev_priv(bond_dev);
        struct net_device *slave_dev = NULL;
        struct ifbond k_binfo;
        struct ifbond __user *u_binfo = NULL;
@@ -3287,7 +3233,6 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd
 
 
                if (mii->reg_num == 1) {
-                       struct bonding *bond = netdev_priv(bond_dev);
                        mii->val_out = 0;
                        read_lock(&bond->lock);
                        read_lock(&bond->curr_slave_lock);
@@ -3359,7 +3304,7 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd
                        break;
                case BOND_CHANGE_ACTIVE_OLD:
                case SIOCBONDCHANGEACTIVE:
-                       res = bond_ioctl_change_active(bond_dev, slave_dev);
+                       res = bond_option_active_slave_set(bond, slave_dev);
                        break;
                default:
                        res = -EOPNOTSUPP;