1 files changed, 13 insertions, 30 deletions

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 37d8d8c29522..1dcf7fa1f0fe 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -175,39 +175,10 @@ static void pneigh_queue_purge(struct sk_buff_head *list)
         }
 }
 
-void neigh_changeaddr(struct neigh_table *tbl, struct net_device *dev)
-{
-        int i;
-
-        write_lock_bh(&tbl->lock);
-
-        for (i=0; i <= tbl->hash_mask; i++) {
-                struct neighbour *n, **np;
-
-                np = &tbl->hash_buckets[i];
-                while ((n = *np) != NULL) {
-                        if (dev && n->dev != dev) {
-                                np = &n->next;
-                                continue;
-                        }
-                        *np = n->next;
-                        write_lock_bh(&n->lock);
-                        n->dead = 1;
-                        neigh_del_timer(n);
-                        write_unlock_bh(&n->lock);
-                        neigh_release(n);
-                }
-        }
-
-        write_unlock_bh(&tbl->lock);
-}
-
-int neigh_ifdown(struct neigh_table *tbl, struct net_device *dev)
+static void neigh_flush_dev(struct neigh_table *tbl, struct net_device *dev)
 {
         int i;
 
-        write_lock_bh(&tbl->lock);
-
         for (i = 0; i <= tbl->hash_mask; i++) {
                 struct neighbour *n, **np = &tbl->hash_buckets[i];
 
@@ -243,7 +214,19 @@ int neigh_ifdown(struct neigh_table *tbl, struct net_device *dev)
                         neigh_release(n);
                 }
         }
+}
 
+void neigh_changeaddr(struct neigh_table *tbl, struct net_device *dev)
+{
+        write_lock_bh(&tbl->lock);
+        neigh_flush_dev(tbl, dev);
+        write_unlock_bh(&tbl->lock);
+}
+
+int neigh_ifdown(struct neigh_table *tbl, struct net_device *dev)
+{
+        write_lock_bh(&tbl->lock);
+        neigh_flush_dev(tbl, dev);
         pneigh_ifdown(tbl, dev);
         write_unlock_bh(&tbl->lock);