diff options
Diffstat (limited to 'net/sched/sch_pie.c')
| -rw-r--r-- | net/sched/sch_pie.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/sched/sch_pie.c b/net/sched/sch_pie.c index 265c238047a4..2da6250ec346 100644 --- a/net/sched/sch_pie.c +++ b/net/sched/sch_pie.c @@ -319,7 +319,7 @@ void pie_calculate_probability(struct pie_params *params, struct pie_vars *vars, } /* If qdelay is zero and backlog is not, it means backlog is very small, - * so we do not update probabilty in this round. + * so we do not update probability in this round. */ if (qdelay == 0 && backlog != 0) update_prob = false; @@ -421,8 +421,10 @@ static void pie_timer(struct timer_list *t) { struct pie_sched_data *q = from_timer(q, t, adapt_timer); struct Qdisc *sch = q->sch; - spinlock_t *root_lock = qdisc_lock(qdisc_root_sleeping(sch)); + spinlock_t *root_lock; + rcu_read_lock(); + root_lock = qdisc_lock(qdisc_root_sleeping(sch)); spin_lock(root_lock); pie_calculate_probability(&q->params, &q->vars, sch->qstats.backlog); @@ -430,6 +432,7 @@ static void pie_timer(struct timer_list *t) if (q->params.tupdate) mod_timer(&q->adapt_timer, jiffies + q->params.tupdate); spin_unlock(root_lock); + rcu_read_unlock(); } static int pie_init(struct Qdisc *sch, struct nlattr *opt, |