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| author | Patrick McHardy <kaber@trash.net> | 2008-01-23 20:32:21 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:11:15 -0800 |
| commit | b03f4672007e533c8dbf0965f995182586216bf1 (patch) | |
| tree | 40bde458dc88aaf4d95b9d00558db4b3eb82c534 /net/sched/sch_netem.c | |
| parent | f5e5cb75539749960d7d35f8a7da29e2f4b96320 (diff) | |
| download | linux-stable-b03f4672007e533c8dbf0965f995182586216bf1.tar.gz linux-stable-b03f4672007e533c8dbf0965f995182586216bf1.tar.bz2 linux-stable-b03f4672007e533c8dbf0965f995182586216bf1.zip | |
[NET_SCHED]: sch_netem: use nla_parse_nested_compat
Replace open coded equivalent of nla_parse_nested_compat().
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_netem.c')
| -rw-r--r-- | net/sched/sch_netem.c | 58 |
1 files changed, 26 insertions, 32 deletions
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index a7b58df4546d..1a755799ffb8 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -407,13 +407,18 @@ static int get_corrupt(struct Qdisc *sch, const struct nlattr *attr) static int netem_change(struct Qdisc *sch, struct nlattr *opt) { struct netem_sched_data *q = qdisc_priv(sch); + struct nlattr *tb[TCA_NETEM_MAX + 1]; struct tc_netem_qopt *qopt; int ret; - if (opt == NULL || nla_len(opt) < sizeof(*qopt)) + if (opt == NULL) return -EINVAL; - qopt = nla_data(opt); + ret = nla_parse_nested_compat(tb, TCA_NETEM_MAX, opt, NULL, qopt, + sizeof(*qopt)); + if (ret < 0) + return ret; + ret = set_fifo_limit(q->qdisc, qopt->limit); if (ret) { pr_debug("netem: can't set fifo limit\n"); @@ -434,39 +439,28 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt) if (q->gap) q->reorder = ~0; - /* Handle nested options after initial queue options. - * Should have put all options in nested format but too late now. - */ - if (nla_len(opt) > sizeof(*qopt)) { - struct nlattr *tb[TCA_NETEM_MAX + 1]; - if (nla_parse(tb, TCA_NETEM_MAX, - nla_data(opt) + sizeof(*qopt), - nla_len(opt) - sizeof(*qopt), NULL)) - return -EINVAL; - - if (tb[TCA_NETEM_CORR]) { - ret = get_correlation(sch, tb[TCA_NETEM_CORR]); - if (ret) - return ret; - } + if (tb[TCA_NETEM_CORR]) { + ret = get_correlation(sch, tb[TCA_NETEM_CORR]); + if (ret) + return ret; + } - if (tb[TCA_NETEM_DELAY_DIST]) { - ret = get_dist_table(sch, tb[TCA_NETEM_DELAY_DIST]); - if (ret) - return ret; - } + if (tb[TCA_NETEM_DELAY_DIST]) { + ret = get_dist_table(sch, tb[TCA_NETEM_DELAY_DIST]); + if (ret) + return ret; + } - if (tb[TCA_NETEM_REORDER]) { - ret = get_reorder(sch, tb[TCA_NETEM_REORDER]); - if (ret) - return ret; - } + if (tb[TCA_NETEM_REORDER]) { + ret = get_reorder(sch, tb[TCA_NETEM_REORDER]); + if (ret) + return ret; + } - if (tb[TCA_NETEM_CORRUPT]) { - ret = get_corrupt(sch, tb[TCA_NETEM_CORRUPT]); - if (ret) - return ret; - } + if (tb[TCA_NETEM_CORRUPT]) { + ret = get_corrupt(sch, tb[TCA_NETEM_CORRUPT]); + if (ret) + return ret; } return 0; |