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| author | Patrick McHardy <kaber@trash.net> | 2008-01-23 20:35:39 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:11:22 -0800 |
| commit | 27a3421e4821734bc19496faa77b380605dc3b23 (patch) | |
| tree | f9ded49845a39f41352ed09130bf3d2bd05e4ffe /net/sched/sch_hfsc.c | |
| parent | 5feb5e1aaa887f6427b8290bce48bfb6b7010fc6 (diff) | |
| download | linux-27a3421e4821734bc19496faa77b380605dc3b23.tar.gz linux-27a3421e4821734bc19496faa77b380605dc3b23.tar.bz2 linux-27a3421e4821734bc19496faa77b380605dc3b23.zip | |
[NET_SCHED]: Use nla_policy for attribute validation in packet schedulers
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_hfsc.c')
| -rw-r--r-- | net/sched/sch_hfsc.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c index 10a2f35a27a8..87293d0db1d7 100644 --- a/net/sched/sch_hfsc.c +++ b/net/sched/sch_hfsc.c @@ -986,6 +986,12 @@ hfsc_change_usc(struct hfsc_class *cl, struct tc_service_curve *usc, cl->cl_flags |= HFSC_USC; } +static const struct nla_policy hfsc_policy[TCA_HFSC_MAX + 1] = { + [TCA_HFSC_RSC] = { .len = sizeof(struct tc_service_curve) }, + [TCA_HFSC_FSC] = { .len = sizeof(struct tc_service_curve) }, + [TCA_HFSC_USC] = { .len = sizeof(struct tc_service_curve) }, +}; + static int hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **tca, unsigned long *arg) @@ -1002,29 +1008,23 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid, if (opt == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_HFSC_MAX, opt, NULL); + err = nla_parse_nested(tb, TCA_HFSC_MAX, opt, hfsc_policy); if (err < 0) return err; if (tb[TCA_HFSC_RSC]) { - if (nla_len(tb[TCA_HFSC_RSC]) < sizeof(*rsc)) - return -EINVAL; rsc = nla_data(tb[TCA_HFSC_RSC]); if (rsc->m1 == 0 && rsc->m2 == 0) rsc = NULL; } if (tb[TCA_HFSC_FSC]) { - if (nla_len(tb[TCA_HFSC_FSC]) < sizeof(*fsc)) - return -EINVAL; fsc = nla_data(tb[TCA_HFSC_FSC]); if (fsc->m1 == 0 && fsc->m2 == 0) fsc = NULL; } if (tb[TCA_HFSC_USC]) { - if (nla_len(tb[TCA_HFSC_USC]) < sizeof(*usc)) - return -EINVAL; usc = nla_data(tb[TCA_HFSC_USC]); if (usc->m1 == 0 && usc->m2 == 0) usc = NULL; |