[PKT_SCHED]: netem: memory leak

Good catch.. netem needs to free skb's that are dropped due to loss
simulation.
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sched/sch_netem.c

@@ -177,6 +177,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 	if (q->loss && q->loss >= get_crandom(&q->loss_cor)) {
 		pr_debug("netem_enqueue: random loss\n");
 		sch->qstats.drops++;
+		kfree_skb(skb);
 		return 0;	/* lie about loss so TCP doesn't know */
 	}