diff options
Diffstat (limited to 'net/sched/sch_taprio.c')
| -rw-r--r-- | net/sched/sch_taprio.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 922ed6b91abb..5c91df52b8c2 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -945,6 +945,12 @@ static int parse_taprio_schedule(struct taprio_sched *q, struct nlattr **tb, list_for_each_entry(entry, &new->entries, list) cycle = ktime_add_ns(cycle, entry->interval); + + if (!cycle) { + NL_SET_ERR_MSG(extack, "'cycle_time' can never be 0"); + return -EINVAL; + } + new->cycle_time = cycle; } |