netns xfrm: fix "ip xfrm state|policy count" misreport

[safe/jmp/linux-2.6] / net / sched / cls_route.c

diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index f7e7d39..dd872d5 100644 (file)
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -62,7 +62,7 @@ struct route4_filter
 
 #define ROUTE4_FAILURE ((struct route4_filter*)(-1L))
 
-static struct tcf_ext_map route_ext_map = {
+static const struct tcf_ext_map route_ext_map = {
        .police = TCA_ROUTE4_POLICE,
        .action = TCA_ROUTE4_ACT
 };
@@ -73,11 +73,13 @@ static __inline__ int route4_fastmap_hash(u32 id, int iif)
 }
 
 static inline
-void route4_reset_fastmap(struct net_device *dev, struct route4_head *head, u32 id)
+void route4_reset_fastmap(struct Qdisc *q, struct route4_head *head, u32 id)
 {
-       qdisc_lock_tree(dev);
+       spinlock_t *root_lock = qdisc_root_sleeping_lock(q);
+
+       spin_lock_bh(root_lock);
        memset(head->fastmap, 0, sizeof(head->fastmap));
-       qdisc_unlock_tree(dev);
+       spin_unlock_bh(root_lock);
 }
 
 static inline void
@@ -135,7 +137,7 @@ static int route4_classify(struct sk_buff *skb, struct tcf_proto *tp,
        u32 id, h;
        int iif, dont_cache = 0;
 
-       if ((dst = skb->dst) == NULL)
+       if ((dst = skb_dst(skb)) == NULL)
                goto failure;
 
        id = dst->tclassid;
@@ -258,7 +260,7 @@ route4_delete_filter(struct tcf_proto *tp, struct route4_filter *f)
 
 static void route4_destroy(struct tcf_proto *tp)
 {
-       struct route4_head *head = xchg(&tp->root, NULL);
+       struct route4_head *head = tp->root;
        int h1, h2;
 
        if (head == NULL)
@@ -302,7 +304,7 @@ static int route4_delete(struct tcf_proto *tp, unsigned long arg)
                        *fp = f->next;
                        tcf_tree_unlock(tp);
 
-                       route4_reset_fastmap(tp->q->dev, head, f->id);
+                       route4_reset_fastmap(tp->q, head, f->id);
                        route4_delete_filter(tp, f);
 
                        /* Strip tree */
@@ -500,7 +502,7 @@ reinsert:
        }
        tcf_tree_unlock(tp);
 
-       route4_reset_fastmap(tp->q->dev, head, f->id);
+       route4_reset_fastmap(tp->q, head, f->id);
        *arg = (unsigned long)f;
        return 0;