Merge branch 'fix/rt5645' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...

[deliverable/linux.git] / kernel / time / timer.c

diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index 5e097fa9faf7016470b8283931023a15d20ed97d..84190f02b521c9fc77cee6e6a6722000939ee470 100644 (file)
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -807,8 +807,8 @@ __mod_timer(struct timer_list *timer, unsigned long expires,
                        spin_unlock(&base->lock);
                        base = new_base;
                        spin_lock(&base->lock);
-                       timer->flags &= ~TIMER_BASEMASK;
-                       timer->flags |= base->cpu;
+                       WRITE_ONCE(timer->flags,
+                                  (timer->flags & ~TIMER_BASEMASK) | base->cpu);
                }
        }