vlan: Optimize multiple unregistration

Use unregister_netdevice_many() to speedup master device unregister.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 4513dfd5718e..09551cc143a9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5303,6 +5303,7 @@ void unregister_netdevice_many(struct list_head *head)
                         net_set_todo(dev);
         }
 }
+EXPORT_SYMBOL(unregister_netdevice_many);
 
 /**
  *      unregister_netdev - remove device from the kernel