diff options
| -rw-r--r-- | drivers/net/bonding/bond_main.c | 11 | ||||
| -rw-r--r-- | drivers/net/bonding/bond_sysfs.c | 21 | ||||
| -rw-r--r-- | drivers/net/bonding/bonding.h | 2 | ||||
| -rw-r--r-- | net/core/dev.c | 35 |
4 files changed, 35 insertions, 34 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index d49404509814..d5c3153226b7 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1612,15 +1612,11 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) read_unlock(&bond->lock); - res = bond_create_slave_symlinks(bond_dev, slave_dev); - if (res) - goto err_detach; - res = netdev_rx_handler_register(slave_dev, bond_handle_frame, new_slave); if (res) { pr_debug("Error %d calling netdev_rx_handler_register\n", res); - goto err_dest_symlinks; + goto err_detach; } res = bond_master_upper_dev_link(bond_dev, slave_dev, new_slave); @@ -1642,9 +1638,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) err_unregister: netdev_rx_handler_unregister(slave_dev); -err_dest_symlinks: - bond_destroy_slave_symlinks(bond_dev, slave_dev); - err_detach: if (!USES_PRIMARY(bond->params.mode)) bond_hw_addr_flush(bond_dev, slave_dev); @@ -1842,8 +1835,6 @@ static int __bond_release_one(struct net_device *bond_dev, bond_dev->name, slave_dev->name, bond_dev->name); /* must do this from outside any spinlocks */ - bond_destroy_slave_symlinks(bond_dev, slave_dev); - vlan_vids_del_by_dev(slave_dev, bond_dev); /* If the mode USES_PRIMARY, then this cases was handled above by diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index 1c5724672204..e06c644470b1 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -168,27 +168,6 @@ static const struct class_attribute class_attr_bonding_masters = { .namespace = bonding_namespace, }; -int bond_create_slave_symlinks(struct net_device *master, - struct net_device *slave) -{ - char linkname[IFNAMSIZ+7]; - - /* create a link from the master to the slave */ - sprintf(linkname, "slave_%s", slave->name); - return sysfs_create_link(&(master->dev.kobj), &(slave->dev.kobj), - linkname); -} - -void bond_destroy_slave_symlinks(struct net_device *master, - struct net_device *slave) -{ - char linkname[IFNAMSIZ+7]; - - sprintf(linkname, "slave_%s", slave->name); - sysfs_remove_link(&(master->dev.kobj), linkname); -} - - /* * Show the slaves in the current bond. */ diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index e5c32a61dacc..5b71601666cd 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -436,8 +436,6 @@ int bond_create(struct net *net, const char *name); int bond_create_sysfs(struct bond_net *net); void bond_destroy_sysfs(struct bond_net *net); void bond_prepare_sysfs_group(struct bonding *bond); -int bond_create_slave_symlinks(struct net_device *master, struct net_device *slave); -void bond_destroy_slave_symlinks(struct net_device *master, struct net_device *slave); int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev); int bond_release(struct net_device *bond_dev, struct net_device *slave_dev); void bond_mii_monitor(struct work_struct *); diff --git a/net/core/dev.c b/net/core/dev.c index de443ee1b046..25ab6fe80da2 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4584,6 +4584,7 @@ static int __netdev_adjacent_dev_insert(struct net_device *dev, void *private, bool master) { struct netdev_adjacent *adj; + char linkname[IFNAMSIZ+7]; int ret; adj = __netdev_find_adj(dev, adj_dev, dev_list); @@ -4606,12 +4607,26 @@ static int __netdev_adjacent_dev_insert(struct net_device *dev, pr_debug("dev_hold for %s, because of link added from %s to %s\n", adj_dev->name, dev->name, adj_dev->name); + if (dev_list == &dev->adj_list.lower) { + sprintf(linkname, "lower_%s", adj_dev->name); + ret = sysfs_create_link(&(dev->dev.kobj), + &(adj_dev->dev.kobj), linkname); + if (ret) + goto free_adj; + } else if (dev_list == &dev->adj_list.upper) { + sprintf(linkname, "upper_%s", adj_dev->name); + ret = sysfs_create_link(&(dev->dev.kobj), + &(adj_dev->dev.kobj), linkname); + if (ret) + goto free_adj; + } + /* Ensure that master link is always the first item in list. */ if (master) { ret = sysfs_create_link(&(dev->dev.kobj), &(adj_dev->dev.kobj), "master"); if (ret) - goto free_adj; + goto remove_symlinks; list_add_rcu(&adj->list, dev_list); } else { @@ -4620,6 +4635,15 @@ static int __netdev_adjacent_dev_insert(struct net_device *dev, return 0; +remove_symlinks: + if (dev_list == &dev->adj_list.lower) { + sprintf(linkname, "lower_%s", adj_dev->name); + sysfs_remove_link(&(dev->dev.kobj), linkname); + } else if (dev_list == &dev->adj_list.upper) { + sprintf(linkname, "upper_%s", adj_dev->name); + sysfs_remove_link(&(dev->dev.kobj), linkname); + } + free_adj: kfree(adj); @@ -4631,6 +4655,7 @@ void __netdev_adjacent_dev_remove(struct net_device *dev, struct list_head *dev_list) { struct netdev_adjacent *adj; + char linkname[IFNAMSIZ+7]; adj = __netdev_find_adj(dev, adj_dev, dev_list); @@ -4650,6 +4675,14 @@ void __netdev_adjacent_dev_remove(struct net_device *dev, if (adj->master) sysfs_remove_link(&(dev->dev.kobj), "master"); + if (dev_list == &dev->adj_list.lower) { + sprintf(linkname, "lower_%s", adj_dev->name); + sysfs_remove_link(&(dev->dev.kobj), linkname); + } else if (dev_list == &dev->adj_list.upper) { + sprintf(linkname, "upper_%s", adj_dev->name); + sysfs_remove_link(&(dev->dev.kobj), linkname); + } + list_del_rcu(&adj->list); pr_debug("dev_put for %s, because link removed from %s to %s\n", adj_dev->name, dev->name, adj_dev->name); |