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| author | Patrick McHardy <kaber@trash.net> | 2006-03-20 19:00:49 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-03-20 19:00:49 -0800 |
| commit | 6d037a26f08711a222ed0d3d12b09e93eed7d3e8 (patch) | |
| tree | a200247459a6a378a1fb24847d383bddb09f5b67 /net/sched | |
| parent | a85d771e32f9724b61a68748cc667d1e11fe3478 (diff) | |
| download | linux-stable-6d037a26f08711a222ed0d3d12b09e93eed7d3e8.tar.gz linux-stable-6d037a26f08711a222ed0d3d12b09e93eed7d3e8.tar.bz2 linux-stable-6d037a26f08711a222ed0d3d12b09e93eed7d3e8.zip | |
[PKT_SCHED]: Qdisc drop operation is optional
The drop operation is optional and qdiscs must check if childs support it.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/sch_netem.c | 4 | ||||
| -rw-r--r-- | net/sched/sch_prio.c | 2 | ||||
| -rw-r--r-- | net/sched/sch_tbf.c | 4 |
3 files changed, 5 insertions, 5 deletions
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index ba5283204837..7228d30512c7 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -252,9 +252,9 @@ static int netem_requeue(struct sk_buff *skb, struct Qdisc *sch) static unsigned int netem_drop(struct Qdisc* sch) { struct netem_sched_data *q = qdisc_priv(sch); - unsigned int len; + unsigned int len = 0; - if ((len = q->qdisc->ops->drop(q->qdisc)) != 0) { + if (q->qdisc->ops->drop && (len = q->qdisc->ops->drop(q->qdisc)) != 0) { sch->q.qlen--; sch->qstats.drops++; } diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c index 1641db33a994..3395ca7bcadf 100644 --- a/net/sched/sch_prio.c +++ b/net/sched/sch_prio.c @@ -165,7 +165,7 @@ static unsigned int prio_drop(struct Qdisc* sch) for (prio = q->bands-1; prio >= 0; prio--) { qdisc = q->queues[prio]; - if ((len = qdisc->ops->drop(qdisc)) != 0) { + if (qdisc->ops->drop && (len = qdisc->ops->drop(qdisc)) != 0) { sch->q.qlen--; return len; } diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c index cb9711ea8c6c..e9e473457361 100644 --- a/net/sched/sch_tbf.c +++ b/net/sched/sch_tbf.c @@ -177,9 +177,9 @@ static int tbf_requeue(struct sk_buff *skb, struct Qdisc* sch) static unsigned int tbf_drop(struct Qdisc* sch) { struct tbf_sched_data *q = qdisc_priv(sch); - unsigned int len; + unsigned int len = 0; - if ((len = q->qdisc->ops->drop(q->qdisc)) != 0) { + if (q->qdisc->ops->drop && (len = q->qdisc->ops->drop(q->qdisc)) != 0) { sch->q.qlen--; sch->qstats.drops++; } |