diff options
Diffstat (limited to 'net/sched/sch_tbf.c')
| -rw-r--r-- | net/sched/sch_tbf.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c index 6c4ad7e677b..f9b1543e3d7 100644 --- a/net/sched/sch_tbf.c +++ b/net/sched/sch_tbf.c @@ -272,7 +272,7 @@ static struct Qdisc *tbf_create_dflt_qdisc(struct Qdisc *sch, u32 limit) static int tbf_change(struct Qdisc* sch, struct nlattr *opt) { - int err = -EINVAL; + int err; struct tbf_sched_data *q = qdisc_priv(sch); struct nlattr *tb[TCA_TBF_PTAB + 1]; struct tc_tbf_qopt *qopt; @@ -281,8 +281,12 @@ static int tbf_change(struct Qdisc* sch, struct nlattr *opt) struct Qdisc *child = NULL; int max_size,n; - if (nla_parse_nested(tb, TCA_TBF_PTAB, opt, NULL) || - tb[TCA_TBF_PARMS] == NULL || + err = nla_parse_nested(tb, TCA_TBF_PTAB, opt, NULL); + if (err < 0) + return err; + + err = -EINVAL; + if (tb[TCA_TBF_PARMS] == NULL || nla_len(tb[TCA_TBF_PARMS]) < sizeof(*qopt)) goto done; |