diff options
Diffstat (limited to 'kernel/time/posix-timers.c')
| -rw-r--r-- | kernel/time/posix-timers.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c index 0c8a87a11b39..808a247205a9 100644 --- a/kernel/time/posix-timers.c +++ b/kernel/time/posix-timers.c @@ -846,6 +846,10 @@ static struct k_itimer *timer_wait_running(struct k_itimer *timer, rcu_read_lock(); unlock_timer(timer, *flags); + /* + * kc->timer_wait_running() might drop RCU lock. So @timer + * cannot be touched anymore after the function returns! + */ if (!WARN_ON_ONCE(!kc->timer_wait_running)) kc->timer_wait_running(timer); |