diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/dev.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 02c98f115243..0a8ccb0451c3 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4816,20 +4816,18 @@ static int enqueue_to_backlog(struct sk_buff *skb, int cpu, backlog_lock_irq_save(sd, &flags); qlen = skb_queue_len(&sd->input_pkt_queue); if (qlen <= max_backlog && !skb_flow_limit(skb, qlen)) { - if (qlen) { -enqueue: - __skb_queue_tail(&sd->input_pkt_queue, skb); - input_queue_tail_incr_save(sd, qtail); - backlog_unlock_irq_restore(sd, &flags); - return NET_RX_SUCCESS; + if (!qlen) { + /* Schedule NAPI for backlog device. We can use + * non atomic operation as we own the queue lock. + */ + if (!__test_and_set_bit(NAPI_STATE_SCHED, + &sd->backlog.state)) + napi_schedule_rps(sd); } - - /* Schedule NAPI for backlog device - * We can use non atomic operation since we own the queue lock - */ - if (!__test_and_set_bit(NAPI_STATE_SCHED, &sd->backlog.state)) - napi_schedule_rps(sd); - goto enqueue; + __skb_queue_tail(&sd->input_pkt_queue, skb); + input_queue_tail_incr_save(sd, qtail); + backlog_unlock_irq_restore(sd, &flags); + return NET_RX_SUCCESS; } backlog_unlock_irq_restore(sd, &flags); |