3 files changed, 14 insertions, 5 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7a2aea56f195..1bfda90c2625 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -924,7 +924,12 @@ struct net_device {
                NETREG_UNREGISTERED,     /* completed unregister todo */
                NETREG_RELEASED,         /* called free_netdev */
                NETREG_DUMMY,            /* dummy device for NAPI poll */
-        } reg_state;
+        } reg_state:16;
+
+        enum {
+                RTNL_LINK_INITIALIZED,
+                RTNL_LINK_INITIALIZING,
+        } rtnl_link_state:16;
 
         /* Called from unregister, can be used to call free_netdev */
         void (*destructor)(struct net_device *dev);
diff --git a/net/core/dev.c b/net/core/dev.c
index eb7f1a4fefc6..75332b089529 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4865,6 +4865,10 @@ static void rollback_registered_many(struct list_head *head)
                 */
                 call_netdevice_notifiers(NETDEV_UNREGISTER, dev);
 
+                if (!dev->rtnl_link_ops ||
+                    dev->rtnl_link_state == RTNL_LINK_INITIALIZED)
+                        rtmsg_ifinfo(RTM_DELLINK, dev, ~0U);
+
                 /*
                  *      Flush the unicast and multicast chains
                  */
@@ -5091,7 +5095,9 @@ int register_netdevice(struct net_device *dev)
          *      Prevent userspace races by waiting until the network
          *      device is fully setup before sending notifications.
          */
-        rtmsg_ifinfo(RTM_NEWLINK, dev, ~0U);
+        if (!dev->rtnl_link_ops ||
+            dev->rtnl_link_state == RTNL_LINK_INITIALIZED)
+                rtmsg_ifinfo(RTM_NEWLINK, dev, ~0U);
 
 out:
         return ret;
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index b7c7dfd86507..020e43bfef5f 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1425,9 +1425,6 @@ static int rtnetlink_event(struct notifier_block *this, unsigned long event, voi
         struct net_device *dev = ptr;
 
         switch (event) {
-        case NETDEV_UNREGISTER:
-                rtmsg_ifinfo(RTM_DELLINK, dev, ~0U);
-                break;
         case NETDEV_UP:
         case NETDEV_DOWN:
                 rtmsg_ifinfo(RTM_NEWLINK, dev, IFF_UP|IFF_RUNNING);
@@ -1437,6 +1434,7 @@ static int rtnetlink_event(struct notifier_block *this, unsigned long event, voi
         case NETDEV_REGISTER:
         case NETDEV_CHANGE:
         case NETDEV_GOING_DOWN:
+        case NETDEV_UNREGISTER:
         case NETDEV_UNREGISTER_BATCH:
                 break;
         default: