diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-07-13 19:11:44 -0400 |
---|---|---|
committer | Jeff Garzik <jgarzik@pobox.com> | 2005-07-13 19:11:44 -0400 |
commit | 08cd84c81f27d5bd22ba958b7cae6d566c509280 (patch) | |
tree | 6fdb546c151410851fd3c604d42590afa4215084 /net/sched/sch_generic.c | |
parent | e9dd2561793c05d70c9df1bc16a2dde6f23388df (diff) | |
parent | 327309e899662b482c58cf25f574513d38b5788c (diff) |
Merge /spare/repo/netdev-2.6 branch 'ieee80211'
Diffstat (limited to 'net/sched/sch_generic.c')
-rw-r--r-- | net/sched/sch_generic.c | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 7683b34dc6a9..73e218e646ac 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -395,24 +395,23 @@ static struct Qdisc_ops pfifo_fast_ops = { .owner = THIS_MODULE, }; -struct Qdisc * qdisc_create_dflt(struct net_device *dev, struct Qdisc_ops *ops) +struct Qdisc *qdisc_alloc(struct net_device *dev, struct Qdisc_ops *ops) { void *p; struct Qdisc *sch; - int size; + unsigned int size; + int err = -ENOBUFS; /* ensure that the Qdisc and the private data are 32-byte aligned */ - size = ((sizeof(*sch) + QDISC_ALIGN_CONST) & ~QDISC_ALIGN_CONST); - size += ops->priv_size + QDISC_ALIGN_CONST; + size = QDISC_ALIGN(sizeof(*sch)); + size += ops->priv_size + (QDISC_ALIGNTO - 1); p = kmalloc(size, GFP_KERNEL); if (!p) - return NULL; + goto errout; memset(p, 0, size); - - sch = (struct Qdisc *)(((unsigned long)p + QDISC_ALIGN_CONST) - & ~QDISC_ALIGN_CONST); - sch->padded = (char *)sch - (char *)p; + sch = (struct Qdisc *) QDISC_ALIGN((unsigned long) p); + sch->padded = (char *) sch - (char *) p; INIT_LIST_HEAD(&sch->list); skb_queue_head_init(&sch->q); @@ -423,11 +422,24 @@ struct Qdisc * qdisc_create_dflt(struct net_device *dev, struct Qdisc_ops *ops) dev_hold(dev); sch->stats_lock = &dev->queue_lock; atomic_set(&sch->refcnt, 1); + + return sch; +errout: + return ERR_PTR(-err); +} + +struct Qdisc * qdisc_create_dflt(struct net_device *dev, struct Qdisc_ops *ops) +{ + struct Qdisc *sch; + + sch = qdisc_alloc(dev, ops); + if (IS_ERR(sch)) + goto errout; + if (!ops->init || ops->init(sch, NULL) == 0) return sch; - dev_put(dev); - kfree(p); +errout: return NULL; } @@ -591,6 +603,7 @@ EXPORT_SYMBOL(__netdev_watchdog_up); EXPORT_SYMBOL(noop_qdisc); EXPORT_SYMBOL(noop_qdisc_ops); EXPORT_SYMBOL(qdisc_create_dflt); +EXPORT_SYMBOL(qdisc_alloc); EXPORT_SYMBOL(qdisc_destroy); EXPORT_SYMBOL(qdisc_reset); EXPORT_SYMBOL(qdisc_restart); |