diff options
| -rw-r--r-- | include/linux/netdevice.h | 1 | ||||
| -rw-r--r-- | net/core/dev.c | 22 |
2 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 8fa1219..cfde9a5 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2886,6 +2886,7 @@ void netdev_upper_dev_unlink(struct net_device *dev, struct net_device *upper_dev); void *netdev_lower_dev_get_private_rcu(struct net_device *dev, struct net_device *lower_dev); +void netdev_adjacent_rename_links(struct net_device *dev, char *oldname); void *netdev_lower_dev_get_private(struct net_device *dev, struct net_device *lower_dev); int skb_checksum_help(struct sk_buff *skb); diff --git a/net/core/dev.c b/net/core/dev.c index d518938..df70378 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1118,6 +1118,8 @@ rollback: write_seqcount_end(&devnet_rename_seq); + netdev_adjacent_rename_links(dev, oldname); + write_lock_bh(&dev_base_lock); hlist_del_rcu(&dev->name_hlist); write_unlock_bh(&dev_base_lock); @@ -1137,6 +1139,7 @@ rollback: err = ret; write_seqcount_begin(&devnet_rename_seq); memcpy(dev->name, oldname, IFNAMSIZ); + memcpy(oldname, newname, IFNAMSIZ); goto rollback; } else { pr_err("%s: name change rollback failed: %d\n", @@ -4999,6 +5002,25 @@ void *netdev_lower_dev_get_private_rcu(struct net_device *dev, } EXPORT_SYMBOL(netdev_lower_dev_get_private_rcu); +void netdev_adjacent_rename_links(struct net_device *dev, char *oldname) +{ + struct netdev_adjacent *iter; + + list_for_each_entry(iter, &dev->adj_list.upper, list) { + netdev_adjacent_sysfs_del(iter->dev, oldname, + &iter->dev->adj_list.lower); + netdev_adjacent_sysfs_add(iter->dev, dev, + &iter->dev->adj_list.lower); + } + + list_for_each_entry(iter, &dev->adj_list.lower, list) { + netdev_adjacent_sysfs_del(iter->dev, oldname, + &iter->dev->adj_list.upper); + netdev_adjacent_sysfs_add(iter->dev, dev, + &iter->dev->adj_list.upper); + } +} + void *netdev_lower_dev_get_private(struct net_device *dev, struct net_device *lower_dev) { |