[PATCH] hrtimers: fix oldvalue return in setitimer
[safe/jmp/linux-2.6] / kernel / itimer.c
index 6433d06..379be2f 100644 (file)
@@ -155,16 +155,16 @@ int do_setitimer(int which, struct itimerval *value, struct itimerval *ovalue)
 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);