diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/sched/sch_netem.c | 18 | ||||
| -rw-r--r-- | net/sched/sch_prio.c | 6 |
2 files changed, 17 insertions, 7 deletions
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 3781e55046d..a11959908d9 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -388,6 +388,20 @@ static const struct nla_policy netem_policy[TCA_NETEM_MAX + 1] = { [TCA_NETEM_CORRUPT] = { .len = sizeof(struct tc_netem_corrupt) }, }; +static int parse_attr(struct nlattr *tb[], int maxtype, struct nlattr *nla, + const struct nla_policy *policy, int len) +{ + int nested_len = nla_len(nla) - NLA_ALIGN(len); + + if (nested_len < 0) + return -EINVAL; + if (nested_len >= nla_attr_size(0)) + return nla_parse(tb, maxtype, nla_data(nla) + NLA_ALIGN(len), + nested_len, policy); + memset(tb, 0, sizeof(struct nlattr *) * (maxtype + 1)); + return 0; +} + /* Parse netlink message to set options */ static int netem_change(struct Qdisc *sch, struct nlattr *opt) { @@ -399,8 +413,8 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt) if (opt == NULL) return -EINVAL; - ret = nla_parse_nested_compat(tb, TCA_NETEM_MAX, opt, netem_policy, - qopt, sizeof(*qopt)); + qopt = nla_data(opt); + ret = parse_attr(tb, TCA_NETEM_MAX, opt, netem_policy, sizeof(*qopt)); if (ret < 0) return ret; diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c index a6697c686c7..504a78cdb71 100644 --- a/net/sched/sch_prio.c +++ b/net/sched/sch_prio.c @@ -254,16 +254,12 @@ static int prio_dump(struct Qdisc *sch, struct sk_buff *skb) { struct prio_sched_data *q = qdisc_priv(sch); unsigned char *b = skb_tail_pointer(skb); - struct nlattr *nest; struct tc_prio_qopt opt; opt.bands = q->bands; memcpy(&opt.priomap, q->prio2band, TC_PRIO_MAX+1); - nest = nla_nest_compat_start(skb, TCA_OPTIONS, sizeof(opt), &opt); - if (nest == NULL) - goto nla_put_failure; - nla_nest_compat_end(skb, nest); + NLA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt); return skb->len; |