net_sched: introduce qdisc_replace() helper

[firefly-linux-kernel-4.4.55.git] / net / sched / sch_dsmark.c

diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index f357f34d02d2a5e9f4ead0ebe77ec44dca79f89a..cfddb1c635c332f89000e83667f9ab1bc98c174d 100644 (file)
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -73,13 +73,7 @@ static int dsmark_graft(struct Qdisc *sch, unsigned long arg,
                        new = &noop_qdisc;
        }
 
-       sch_tree_lock(sch);
-       *old = p->q;
-       p->q = new;
-       qdisc_tree_decrease_qlen(*old, (*old)->q.qlen);
-       qdisc_reset(*old);
-       sch_tree_unlock(sch);
-
+       *old = qdisc_replace(sch, new, &p->q);
        return 0;
 }