[NETNS][DST] dst: pass the dst_ops as parameter to the gc functions
[safe/jmp/linux-2.6] / net / core / dst.c
index ad5ffa1..7deef48 100644 (file)
@@ -153,18 +153,19 @@ loop:
 #endif
 }
 
-static int dst_discard(struct sk_buff *skb)
+int dst_discard(struct sk_buff *skb)
 {
        kfree_skb(skb);
        return 0;
 }
+EXPORT_SYMBOL(dst_discard);
 
 void * dst_alloc(struct dst_ops * ops)
 {
        struct dst_entry * dst;
 
        if (ops->gc && atomic_read(&ops->entries) > ops->gc_thresh) {
-               if (ops->gc())
+               if (ops->gc(ops))
                        return NULL;
        }
        dst = kmem_cache_zalloc(ops->kmem_cachep, GFP_ATOMIC);
@@ -278,13 +279,13 @@ static inline void dst_ifdown(struct dst_entry *dst, struct net_device *dev,
        if (!unregister) {
                dst->input = dst->output = dst_discard;
        } else {
-               dst->dev = loopback_dev;
+               dst->dev = dst->dev->nd_net->loopback_dev;
                dev_hold(dst->dev);
                dev_put(dev);
                if (dst->neighbour && dst->neighbour->dev == dev) {
-                       dst->neighbour->dev = loopback_dev;
+                       dst->neighbour->dev = dst->dev;
+                       dev_hold(dst->dev);
                        dev_put(dev);
-                       dev_hold(dst->neighbour->dev);
                }
        }
 }