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-rw-r--r--net/sched/sch_sfq.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 13322e8a0456..6a2f88fea6d8 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -281,6 +281,7 @@ static inline struct sk_buff *slot_dequeue_tail(struct sfq_slot *slot)
struct sk_buff *skb = slot->skblist_prev;
slot->skblist_prev = skb->prev;
+ skb->prev->next = (struct sk_buff *)slot;
skb->next = skb->prev = NULL;
return skb;
}
@@ -608,14 +609,19 @@ static int sfq_dump_class_stats(struct Qdisc *sch, unsigned long cl,
struct gnet_dump *d)
{
struct sfq_sched_data *q = qdisc_priv(sch);
- const struct sfq_slot *slot = &q->slots[q->ht[cl - 1]];
- struct gnet_stats_queue qs = { .qlen = slot->qlen };
- struct tc_sfq_xstats xstats = { .allot = slot->allot };
+ sfq_index idx = q->ht[cl - 1];
+ struct gnet_stats_queue qs = { 0 };
+ struct tc_sfq_xstats xstats = { 0 };
struct sk_buff *skb;
- slot_queue_walk(slot, skb)
- qs.backlog += qdisc_pkt_len(skb);
+ if (idx != SFQ_EMPTY_SLOT) {
+ const struct sfq_slot *slot = &q->slots[idx];
+ xstats.allot = slot->allot;
+ qs.qlen = slot->qlen;
+ slot_queue_walk(slot, skb)
+ qs.backlog += qdisc_pkt_len(skb);
+ }
if (gnet_stats_copy_queue(d, &qs) < 0)
return -1;
return gnet_stats_copy_app(d, &xstats, sizeof(xstats));