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| author | Jarek Poplawski <jarkao2@gmail.com> | 2010-08-11 00:31:20 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-08-11 10:37:00 +0200 |
| commit | 3e9e5a5921f4b7dc098a01d01e5972bebb36491e (patch) | |
| tree | d4b50906ae56ff923e6a4ed4a20081a6da742c47 | |
| parent | pkt_sched: Fix sch_sfq vs tc_modify_qdisc oops (diff) | |
| download | linux-3e9e5a5921f4b7dc098a01d01e5972bebb36491e.tar.xz linux-3e9e5a5921f4b7dc098a01d01e5972bebb36491e.zip | |
pkt_sched: Check .walk and .leaf class handlers
Require qdisc class ops .walk and .leaf for classful qdisc in
register_qdisc(). The checks could be done later insted, but these
ops are really needed and used by most of classful qdiscs.
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/sched/sch_api.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 8ed2f5649029..408eea7086aa 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -161,7 +161,7 @@ int register_qdisc(struct Qdisc_ops *qops) if (qops->cl_ops) { const struct Qdisc_class_ops *cops = qops->cl_ops; - if (!(cops->get && cops->put)) + if (!(cops->get && cops->put && cops->walk && cops->leaf)) goto out_einval; if (cops->tcf_chain && !(cops->bind_tcf && cops->unbind_tcf)) |