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| author |   David S. Miller <davem@davemloft.net> | 2016-04-23 18:26:24 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-04-23 18:51:33 -0400 |
| commit | 1602f49b58abcb0d34a5f0a29d68e7c1769547aa (patch) | |
| tree | 4848fb0ffbc581ff465fd9c9e5a5b10b06f09b68 /net/sched | |
| parent | Merge branch 'geneve-vxlan-deps' (diff) | |
| parent | Merge tag 'rtc-4.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux (diff) | |
| download | linux-dev-1602f49b58abcb0d34a5f0a29d68e7c1769547aa.tar.xz linux-dev-1602f49b58abcb0d34a5f0a29d68e7c1769547aa.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts were two cases of simple overlapping changes,
nothing serious.
In the UDP case, we need to add a hlist_add_tail_rcu()
to linux/rculist.h, because we've moved UDP socket handling
away from using nulls lists.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
| -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 f18c35024207..80742edea96f 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); |