diff options
| -rw-r--r-- | net/sched/sch_taprio.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index e625f8f8704f..7553bc82cf6f 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -1690,6 +1690,7 @@ static int taprio_new_flags(const struct nlattr *attr, u32 old, static int taprio_change(struct Qdisc *sch, struct nlattr *opt, struct netlink_ext_ack *extack) { + struct qdisc_size_table *stab = rtnl_dereference(sch->stab); struct nlattr *tb[TCA_TAPRIO_ATTR_MAX + 1] = { }; struct sched_gate_list *oper, *admin, *new_admin; struct taprio_sched *q = qdisc_priv(sch); @@ -1842,6 +1843,10 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, new_admin = NULL; err = 0; + if (!stab) + NL_SET_ERR_MSG_MOD(extack, + "Size table not specified, frame length estimations may be inaccurate"); + unlock: spin_unlock_bh(qdisc_lock(sch)); |