diff options
| -rw-r--r-- | net/sched/sch_api.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 83984be04f57..0d99df1e764d 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -625,8 +625,13 @@ void qdisc_watchdog_schedule_range_ns(struct qdisc_watchdog *wd, u64 expires, &qdisc_root_sleeping(wd->qdisc)->state)) return; - if (wd->last_expires == expires) - return; + if (hrtimer_is_queued(&wd->timer)) { + /* If timer is already set in [expires, expires + delta_ns], + * do not reprogram it. + */ + if (wd->last_expires - expires <= delta_ns) + return; + } wd->last_expires = expires; hrtimer_start_range_ns(&wd->timer, |