pkt_sched: sch_sfq: dump a real number of flows

Dump the "flows" number according to the number of active flows
instead of repeating the "limit".

Reported-by: Denys Fedoryshchenko <[e-mail]>
Signed-off-by: Jarek Poplawski <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/sched/sch_sfq.c

···
 
 	opt.limit = q->limit;
 	opt.divisor = SFQ_HASH_DIVISOR;
-	opt.flows = q->limit;
+	opt.flows = 0;
+	if (q->tail != SFQ_DEPTH) {
+		unsigned int i;
+
+		for (i = 0; i < SFQ_HASH_DIVISOR; i++)
+			if (q->ht[i] != SFQ_DEPTH)
+				opt.flows++;
+	}
 
 	NLA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt);