3 files changed, 14 insertions, 12 deletions

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 0fc4a18..3200979 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -444,6 +444,17 @@ out:
 }
 EXPORT_SYMBOL(qdisc_calculate_pkt_len);
 
+void qdisc_warn_nonwc(char *txt, struct Qdisc *qdisc)
+{
+	if (!(qdisc->flags & TCQ_F_WARN_NONWC)) {
+		printk(KERN_WARNING
+		       "%s: %s qdisc %X: is non-work-conserving?\n",
+		       txt, qdisc->ops->id, qdisc->handle >> 16);
+		qdisc->flags |= TCQ_F_WARN_NONWC;
+	}
+}
+EXPORT_SYMBOL(qdisc_warn_nonwc);
+
 static enum hrtimer_restart qdisc_watchdog(struct hrtimer *timer)
 {
 	struct qdisc_watchdog *wd = container_of(timer, struct qdisc_watchdog,
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 45c31b1..74226b2 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -887,8 +887,7 @@ qdisc_peek_len(struct Qdisc *sch)
 
 	skb = sch->ops->peek(sch);
 	if (skb == NULL) {
-		if (net_ratelimit())
-			printk("qdisc_peek_len: non work-conserving qdisc ?\n");
+		qdisc_warn_nonwc("qdisc_peek_len", sch);
 		return 0;
 	}
 	len = qdisc_pkt_len(skb);
@@ -1642,8 +1641,7 @@ hfsc_dequeue(struct Qdisc *sch)
 
 	skb = qdisc_dequeue_peeked(cl->qdisc);
 	if (skb == NULL) {
-		if (net_ratelimit())
-			printk("HFSC: Non-work-conserving qdisc ?\n");
+		qdisc_warn_nonwc("HFSC", cl->qdisc);
 		return NULL;
 	}
 
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 2f0f0b0..77ff510 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -114,8 +114,6 @@ struct htb_class {
 	struct tcf_proto *filter_list;
 	int filter_cnt;
 
-	int warned;		/* only one warning about non work conserving .. */
-
 	/* token bucket parameters */
 	struct qdisc_rate_table *rate;	/* rate table of the class itself */
 	struct qdisc_rate_table *ceil;	/* ceiling rate (limits borrows too) */
@@ -809,13 +807,8 @@ next:
 		skb = cl->un.leaf.q->dequeue(cl->un.leaf.q);
 		if (likely(skb != NULL))
 			break;
-		if (!cl->warned) {
-			printk(KERN_WARNING
-			       "htb: class %X isn't work conserving ?!\n",
-			       cl->common.classid);
-			cl->warned = 1;
-		}
 
+		qdisc_warn_nonwc("htb", cl->un.leaf.q);
 		htb_next_rb_node((level ? cl->parent->un.inner.ptr : q->
 				  ptr[0]) + prio);
 		cl = htb_lookup_leaf(q->row[level] + prio, prio,