if (skb) 
if (skb) { pr_debug("netem_dequeue: return skb=%p\n", skb); 
static struct sk_buff *netem_dequeue(struct Qdisc *sch){	struct netem_sched_data *q = qdisc_priv(sch);	struct sk_buff *skb;	skb = q->qdisc->dequeue(q->qdisc);	if (skb) 		sch->q.qlen--;	return skb;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/771018e76aaa6474be20a53c20458bcae8b00485/sch_netem.c/buggy/net/sched/sch_netem.c