The expiry time for relative timers with SIGEV_NONE set was never updated to the correct value. Pointed out by George Anzinger. Signed-off-by: Thomas Gleixner --- kernel/posix-timers.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) a1f15939b7af18c5abcd4810ccd512467c77a6b1 diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 28e72fd..e2fa4c0 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -724,8 +724,13 @@ common_timer_set(struct k_itimer *timr, timr->it.real.interval = timespec_to_ktime(new_setting->it_interval); /* SIGEV_NONE timers are not queued ! See common_timer_get */ - if (((timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE)) + if (((timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE)) { + /* Setup correct expiry time for relative timers */ + if (mode == HRTIMER_REL) + timer->expires = ktime_add(timer-expires, + timer->base->get_time()); return 0; + } hrtimer_start(timer, timer->expires, mode); return 0; -- 1.0.8 --