diff --git a/net/batman-adv/debugfs.c b/net/batman-adv/debugfs.c index b4ffba7dd583..df58e21c3841 100644 --- a/net/batman-adv/debugfs.c +++ b/net/batman-adv/debugfs.c @@ -18,6 +18,7 @@ #include "debugfs.h" #include "main.h" +#include #include #include #include @@ -339,6 +340,25 @@ out: return -ENOMEM; } +/** + * batadv_debugfs_rename_hardif() - Fix debugfs path for renamed hardif + * @hard_iface: hard interface which was renamed + */ +void batadv_debugfs_rename_hardif(struct batadv_hard_iface *hard_iface) +{ + const char *name = hard_iface->net_dev->name; + struct dentry *dir; + struct dentry *d; + + dir = hard_iface->debug_dir; + if (!dir) + return; + + d = debugfs_rename(dir->d_parent, dir, dir->d_parent, name); + if (!d) + pr_err("Can't rename debugfs dir to %s\n", name); +} + /** * batadv_debugfs_del_hardif - delete the base directory for a hard interface * in debugfs. diff --git a/net/batman-adv/debugfs.h b/net/batman-adv/debugfs.h index e49121ee55f6..3d9b684b862d 100644 --- a/net/batman-adv/debugfs.h +++ b/net/batman-adv/debugfs.h @@ -31,6 +31,7 @@ void batadv_debugfs_destroy(void); int batadv_debugfs_add_meshif(struct net_device *dev); void batadv_debugfs_del_meshif(struct net_device *dev); int batadv_debugfs_add_hardif(struct batadv_hard_iface *hard_iface); +void batadv_debugfs_rename_hardif(struct batadv_hard_iface *hard_iface); void batadv_debugfs_del_hardif(struct batadv_hard_iface *hard_iface); #else @@ -58,6 +59,11 @@ int batadv_debugfs_add_hardif(struct batadv_hard_iface *hard_iface) return 0; } +static inline +void batadv_debugfs_rename_hardif(struct batadv_hard_iface *hard_iface) +{ +} + static inline void batadv_debugfs_del_hardif(struct batadv_hard_iface *hard_iface) { diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index cda2b1af0d4f..da66fca54bc0 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -812,6 +812,9 @@ static int batadv_hard_if_event(struct notifier_block *this, if (hard_iface == primary_if) batadv_primary_if_update_addr(bat_priv, NULL); break; + case NETDEV_CHANGENAME: + batadv_debugfs_rename_hardif(hard_iface); + break; default: break; }