Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / net / sched / sch_api.c

diff --git a/kernel/net/sched/sch_api.c b/kernel/net/sched/sch_api.c
index af1acf0..95b560f 100644 (file)
--- a/kernel/net/sched/sch_api.c
+++ b/kernel/net/sched/sch_api.c
@@ -744,14 +744,15 @@ static u32 qdisc_alloc_handle(struct net_device *dev)
        return 0;
 }
 
-void qdisc_tree_decrease_qlen(struct Qdisc *sch, unsigned int n)
+void qdisc_tree_reduce_backlog(struct Qdisc *sch, unsigned int n,
+                              unsigned int len)
 {
        const struct Qdisc_class_ops *cops;
        unsigned long cl;
        u32 parentid;
        int drops;
 
-       if (n == 0)
+       if (n == 0 && len == 0)
                return;
        drops = max_t(int, n, 0);
        rcu_read_lock();
@@ -774,11 +775,12 @@ void qdisc_tree_decrease_qlen(struct Qdisc *sch, unsigned int n)
                        cops->put(sch, cl);
                }
                sch->q.qlen -= n;
+               sch->qstats.backlog -= len;
                __qdisc_qstats_drop(sch, drops);
        }
        rcu_read_unlock();
 }
-EXPORT_SYMBOL(qdisc_tree_decrease_qlen);
+EXPORT_SYMBOL(qdisc_tree_reduce_backlog);
 
 static void notify_and_destroy(struct net *net, struct sk_buff *skb,
                               struct nlmsghdr *n, u32 clid,