2 files changed, 5 insertions, 2 deletions

diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 015661279b68..0a0608edeb26 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -276,7 +276,7 @@ static bool tick_check_preferred(struct clock_event_device *curdev,
 bool tick_check_replacement(struct clock_event_device *curdev,
                             struct clock_event_device *newdev)
 {
-        if (tick_check_percpu(curdev, newdev, smp_processor_id()))
+        if (!tick_check_percpu(curdev, newdev, smp_processor_id()))
                 return false;
 
         return tick_check_preferred(curdev, newdev);
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 9f8af69c67ec..6558b7ac112d 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -84,6 +84,9 @@ static void tick_do_update_jiffies64(ktime_t now)
 
                 /* Keep the tick_next_period variable up to date */
                 tick_next_period = ktime_add(last_jiffies_update, tick_period);
+        } else {
+                write_sequnlock(&jiffies_lock);
+                return;
         }
         write_sequnlock(&jiffies_lock);
         update_wall_time();
@@ -967,7 +970,7 @@ static void tick_nohz_switch_to_nohz(void)
         struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched);
         ktime_t next;
 
-        if (!tick_nohz_active)
+        if (!tick_nohz_enabled)
                 return;
 
         local_irq_disable();