[PKT_SCHED]: make dsmark try using pfifo instead of noop while grafting

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 2 deletions

diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index acbe9d2b3e15..a8c948f62978 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -73,8 +73,13 @@ static int dsmark_graft(struct Qdisc *sch,unsigned long arg,
 
         DPRINTK("dsmark_graft(sch %p,[qdisc %p],new %p,old %p)\n",sch,p,new,
             old);
-        if (!new)
-                new = &noop_qdisc;
+
+        if (new == NULL) {
+                new = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops);
+                if (new == NULL)
+                        new = &noop_qdisc;
+        }
+
         sch_tree_lock(sch);
         *old = xchg(&p->q,new);
         if (*old)