diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2007-08-01 11:23:57 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-08-01 11:23:57 +0100 |
| commit | 440fdb53b4ae58602711b5b8c3a139ace2404dbb (patch) | |
| tree | c6fb88d6ad537ec53aeecadc75a61ab6147d4c9c /net/sched/sch_api.c | |
| parent | 8b2b403ce0f1a816b7a6a4f47c8798003b26c07a (diff) | |
| parent | 8d4fbcfbe0a4bfc73e7f0297c59ae514e1f1436f (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'net/sched/sch_api.c')
| -rw-r--r-- | net/sched/sch_api.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 13c09bc32aa..dee0d5fb39c 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -380,6 +380,10 @@ void qdisc_tree_decrease_qlen(struct Qdisc *sch, unsigned int n) return; while ((parentid = sch->parent)) { sch = qdisc_lookup(sch->dev, TC_H_MAJ(parentid)); + if (sch == NULL) { + WARN_ON(parentid != TC_H_ROOT); + return; + } cops = sch->ops->cl_ops; if (cops->qlen_notify) { cl = cops->get(sch, parentid); @@ -420,8 +424,6 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent, unsigned long cl = cops->get(parent, classid); if (cl) { err = cops->graft(parent, cl, new, old); - if (new) - new->parent = classid; cops->put(parent, cl); } } @@ -436,7 +438,8 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent, */ static struct Qdisc * -qdisc_create(struct net_device *dev, u32 handle, struct rtattr **tca, int *errp) +qdisc_create(struct net_device *dev, u32 parent, u32 handle, + struct rtattr **tca, int *errp) { int err; struct rtattr *kind = tca[TCA_KIND-1]; @@ -482,6 +485,8 @@ qdisc_create(struct net_device *dev, u32 handle, struct rtattr **tca, int *errp) goto err_out2; } + sch->parent = parent; + if (handle == TC_H_INGRESS) { sch->flags |= TCQ_F_INGRESS; sch->stats_lock = &dev->ingress_lock; @@ -758,9 +763,11 @@ create_n_graft: if (!(n->nlmsg_flags&NLM_F_CREATE)) return -ENOENT; if (clid == TC_H_INGRESS) - q = qdisc_create(dev, tcm->tcm_parent, tca, &err); + q = qdisc_create(dev, tcm->tcm_parent, tcm->tcm_parent, + tca, &err); else - q = qdisc_create(dev, tcm->tcm_handle, tca, &err); + q = qdisc_create(dev, tcm->tcm_parent, tcm->tcm_handle, + tca, &err); if (q == NULL) { if (err == -EAGAIN) goto replay; |