diff options
| -rw-r--r-- | kernel/time/hrtimer.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index 833353732554..f48864e2ff8a 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -1214,7 +1214,8 @@ static void hrtimer_sync_wait_running(struct hrtimer_cpu_base *cpu_base, */ void hrtimer_cancel_wait_running(const struct hrtimer *timer) { - struct hrtimer_clock_base *base = timer->base; + /* Lockless read. Prevent the compiler from reloading it below */ + struct hrtimer_clock_base *base = READ_ONCE(timer->base); if (!timer->is_soft || !base || !base->cpu_base) { cpu_relax(); |