net: sched: add rcu annotations around qdisc->qdisc_sleeping

[platform/kernel/linux-starfive.git] / net / sched / sch_fq_pie.c

diff --git a/net/sched/sch_fq_pie.c b/net/sched/sch_fq_pie.c
index c699e50..591d87d 100644 (file)
--- a/net/sched/sch_fq_pie.c
+++ b/net/sched/sch_fq_pie.c
@@ -379,6 +379,7 @@ static void fq_pie_timer(struct timer_list *t)
        spinlock_t *root_lock; /* to lock qdisc for probability calculations */
        u32 idx;
 
+       rcu_read_lock();
        root_lock = qdisc_lock(qdisc_root_sleeping(sch));
        spin_lock(root_lock);
 
@@ -391,6 +392,7 @@ static void fq_pie_timer(struct timer_list *t)
                mod_timer(&q->adapt_timer, jiffies + q->p_params.tupdate);
 
        spin_unlock(root_lock);
+       rcu_read_unlock();
 }
 
 static int fq_pie_init(struct Qdisc *sch, struct nlattr *opt,