diff options
| -rw-r--r-- | net/sched/sch_dsmark.c | 9 |
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) |