3 files changed, 29 insertions, 0 deletions
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 <linux/dcache.h>
 #include <linux/debugfs.h>
 #include <linux/device.h>
 #include <linux/errno.h>
@@ -340,6 +341,25 @@ out:
 }
 
 /**
+ * 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.
  * @hard_iface: hard interface which is deleted.
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
@@ -59,6 +60,11 @@ int batadv_debugfs_add_hardif(struct batadv_hard_iface *hard_iface)
 }
 
 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;
 	}