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Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

Pull timer fix from Ingo Molnar:
 "Fix a division by zero crash in the posix-timers code"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  posix-timers: Fix division by zero bug
hifive-unleashed-5.1
Linus Torvalds 2018-12-21 10:51:54 -08:00
parent d5fa080d4c 0e334db6bb
commit e572fa0e84
1 changed files with 1 additions and 4 deletions
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5
kernel/time/posix-timers.c
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@ -289,9 +289,6 @@ static void common_hrtimer_rearm(struct k_itimer *timr)
{
struct hrtimer *timer = &timr->it.real.timer;
if (!timr->it_interval)
return;
timr->it_overrun += hrtimer_forward(timer, timer->base->get_time(),
timr->it_interval);
hrtimer_restart(timer);
@ -317,7 +314,7 @@ void posixtimer_rearm(struct kernel_siginfo *info)
if (!timr)
return;
if (timr->it_requeue_pending == info->si_sys_private) {
if (timr->it_interval && timr->it_requeue_pending == info->si_sys_private) {
timr->kclock->timer_rearm(timr);
timr->it_active = 1;