summaryrefslogtreecommitdiffstats
path: root/net/sched/sch_tbf.c
diff options
context:
space:
mode:
authorPatrick McHardy <kaber@trash.net>2006-03-20 19:00:49 -0800
committerDavid S. Miller <davem@davemloft.net>2006-03-20 19:00:49 -0800
commit6d037a26f08711a222ed0d3d12b09e93eed7d3e8 (patch)
treea200247459a6a378a1fb24847d383bddb09f5b67 /net/sched/sch_tbf.c
parenta85d771e32f9724b61a68748cc667d1e11fe3478 (diff)
downloadop-kernel-dev-6d037a26f08711a222ed0d3d12b09e93eed7d3e8.zip
op-kernel-dev-6d037a26f08711a222ed0d3d12b09e93eed7d3e8.tar.gz
[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/sch_tbf.c')
-rw-r--r--net/sched/sch_tbf.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index cb9711e..e9e4734 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++;
}
OpenPOWER on IntegriCloud