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| author | Alex Shi <alex.shi@linaro.org> | 2016-05-20 12:16:40 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-05-20 12:16:40 +0800 |
| commit | 023861726fc0899139add9dd47905b8de7644257 (patch) | |
| tree | 5bf6b578027b3d9910da0d99f01eaf5cfa0a5e02 /net/sched/sch_generic.c | |
| parent | b3f09bff3f6f291d4ef5d400426278856bf24c27 (diff) | |
| parent | 510d0a3f869611dcd001a2b7627fa5dded4579af (diff) | |
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-androidlsk-v4.4-16.05-android
Diffstat (limited to 'net/sched/sch_generic.c')
| -rw-r--r-- | net/sched/sch_generic.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 16bc83b2842a..aa4725038f94 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -159,12 +159,15 @@ int sch_direct_xmit(struct sk_buff *skb, struct Qdisc *q, if (validate) skb = validate_xmit_skb_list(skb, dev); - if (skb) { + if (likely(skb)) { HARD_TX_LOCK(dev, txq, smp_processor_id()); if (!netif_xmit_frozen_or_stopped(txq)) skb = dev_hard_start_xmit(skb, dev, txq, &ret); HARD_TX_UNLOCK(dev, txq); + } else { + spin_lock(root_lock); + return qdisc_qlen(q); } spin_lock(root_lock); |