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Subject[PATCH 3/7] [hrtimers] Fix oldvalue return in setitimer

This resolves bugzilla bug#5617. The oldvalue of the
timer was read after the timer was cancelled, so the
remaining time was always zero.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

---
kernel/itimer.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
3f59dd20898d805781b3eac7ed0807e7a0b30f2f
diff --git a/kernel/itimer.c b/kernel/itimer.c
index 6433d06..379be2f 100644
--- a/kernel/itimer.c
+++ b/kernel/itimer.c
@@ -155,16 +155,16 @@ int do_setitimer(int which, struct itime
again:
spin_lock_irq(&tsk->sighand->siglock);
timer = &tsk->signal->real_timer;
- /* We are sharing ->siglock with it_real_fn() */
- if (hrtimer_try_to_cancel(timer) < 0) {
- spin_unlock_irq(&tsk->sighand->siglock);
- goto again;
- }
if (ovalue) {
ovalue->it_value = itimer_get_remtime(timer);
ovalue->it_interval
= ktime_to_timeval(tsk->signal->it_real_incr);
}
+ /* We are sharing ->siglock with it_real_fn() */
+ if (hrtimer_try_to_cancel(timer) < 0) {
+ spin_unlock_irq(&tsk->sighand->siglock);
+ goto again;
+ }
tsk->signal->it_real_incr =
timeval_to_ktime(value->it_interval);
expires = timeval_to_ktime(value->it_value);
--
1.0.8
--

-
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