1 files changed, 12 insertions, 1 deletions

diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index 7b3f732269e4..1f93a5978f2a 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -541,7 +541,7 @@ static void mpls_ifdown(struct net_device *dev)
 
         RCU_INIT_POINTER(dev->mpls_ptr, NULL);
 
-        kfree(mdev);
+        kfree_rcu(mdev, rcu);
 }
 
 static int mpls_dev_notify(struct notifier_block *this, unsigned long event,
@@ -564,6 +564,17 @@ static int mpls_dev_notify(struct notifier_block *this, unsigned long event,
         case NETDEV_UNREGISTER:
                 mpls_ifdown(dev);
                 break;
+        case NETDEV_CHANGENAME:
+                mdev = mpls_dev_get(dev);
+                if (mdev) {
+                        int err;
+
+                        mpls_dev_sysctl_unregister(mdev);
+                        err = mpls_dev_sysctl_register(dev, mdev);
+                        if (err)
+                                return notifier_from_errno(err);
+                }
+                break;
         }
         return NOTIFY_OK;
 }