diff options
| author | Patrick McHardy <kaber@trash.net> | 2008-01-24 07:34:11 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-29 02:11:18 +0300 |
| commit | 4b3550ef530cfc153fa91f0b37cbda448bad11c6 (patch) | |
| tree | 02aba7497298f220629af8e47f48e56df86d428f /net/sched/sch_htb.c | |
| parent | cee63723b358e594225e812d6e14a2a0abfd5c88 (diff) | |
| download | linux-4b3550ef530cfc153fa91f0b37cbda448bad11c6.tar.xz | |
[NET_SCHED]: Use nla_nest_start/nla_nest_end
Use nla_nest_start/nla_nest_end for dumping nested attributes.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_htb.c')
| -rw-r--r-- | net/sched/sch_htb.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index 512df9a0a242..69fac320f8bc 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -1043,25 +1043,29 @@ static int htb_init(struct Qdisc *sch, struct nlattr *opt) static int htb_dump(struct Qdisc *sch, struct sk_buff *skb) { struct htb_sched *q = qdisc_priv(sch); - unsigned char *b = skb_tail_pointer(skb); - struct nlattr *nla; + struct nlattr *nest; struct tc_htb_glob gopt; + spin_lock_bh(&sch->dev->queue_lock); - gopt.direct_pkts = q->direct_pkts; + gopt.direct_pkts = q->direct_pkts; gopt.version = HTB_VER; gopt.rate2quantum = q->rate2quantum; gopt.defcls = q->defcls; gopt.debug = 0; - nla = (struct nlattr *)b; - NLA_PUT(skb, TCA_OPTIONS, 0, NULL); + + nest = nla_nest_start(skb, TCA_OPTIONS); + if (nest == NULL) + goto nla_put_failure; NLA_PUT(skb, TCA_HTB_INIT, sizeof(gopt), &gopt); - nla->nla_len = skb_tail_pointer(skb) - b; + nla_nest_end(skb, nest); + spin_unlock_bh(&sch->dev->queue_lock); return skb->len; + nla_put_failure: spin_unlock_bh(&sch->dev->queue_lock); - nlmsg_trim(skb, skb_tail_pointer(skb)); + nla_nest_cancel(skb, nest); return -1; } @@ -1069,8 +1073,7 @@ static int htb_dump_class(struct Qdisc *sch, unsigned long arg, struct sk_buff *skb, struct tcmsg *tcm) { struct htb_class *cl = (struct htb_class *)arg; - unsigned char *b = skb_tail_pointer(skb); - struct nlattr *nla; + struct nlattr *nest; struct tc_htb_opt opt; spin_lock_bh(&sch->dev->queue_lock); @@ -1079,8 +1082,9 @@ static int htb_dump_class(struct Qdisc *sch, unsigned long arg, if (!cl->level && cl->un.leaf.q) tcm->tcm_info = cl->un.leaf.q->handle; - nla = (struct nlattr *)b; - NLA_PUT(skb, TCA_OPTIONS, 0, NULL); + nest = nla_nest_start(skb, TCA_OPTIONS); + if (nest == NULL) + goto nla_put_failure; memset(&opt, 0, sizeof(opt)); @@ -1092,12 +1096,14 @@ static int htb_dump_class(struct Qdisc *sch, unsigned long arg, opt.prio = cl->un.leaf.prio; opt.level = cl->level; NLA_PUT(skb, TCA_HTB_PARMS, sizeof(opt), &opt); - nla->nla_len = skb_tail_pointer(skb) - b; + + nla_nest_end(skb, nest); spin_unlock_bh(&sch->dev->queue_lock); return skb->len; + nla_put_failure: spin_unlock_bh(&sch->dev->queue_lock); - nlmsg_trim(skb, b); + nla_nest_cancel(skb, nest); return -1; } |