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Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/sch_taprio.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c
index c0b846918400..a315748a5e53 100644
--- a/net/sched/sch_taprio.c
+++ b/net/sched/sch_taprio.c
@@ -1161,11 +1161,6 @@ 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;
- }
-
if (cycle < 0 || cycle > INT_MAX) {
NL_SET_ERR_MSG(extack, "'cycle_time' is too big");
return -EINVAL;
@@ -1174,6 +1169,11 @@ static int parse_taprio_schedule(struct taprio_sched *q, struct nlattr **tb,
new->cycle_time = cycle;
}
+ if (new->cycle_time < new->num_entries * length_to_duration(q, ETH_ZLEN)) {
+ NL_SET_ERR_MSG(extack, "'cycle_time' is too small");
+ return -EINVAL;
+ }
+
taprio_calculate_gate_durations(q, new);
return 0;