1 files changed, 4 insertions, 0 deletions

diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index ba6996943e28..d4437345706f 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -1484,11 +1484,13 @@ void synchronize_sched(void)
         if (rcu_blocking_is_gp())
                 return;
 
+        init_rcu_head_on_stack(&rcu.head);
         init_completion(&rcu.completion);
         /* Will wake me after RCU finished. */
         call_rcu_sched(&rcu.head, wakeme_after_rcu);
         /* Wait for it. */
         wait_for_completion(&rcu.completion);
+        destroy_rcu_head_on_stack(&rcu.head);
 }
 EXPORT_SYMBOL_GPL(synchronize_sched);
 
@@ -1508,11 +1510,13 @@ void synchronize_rcu_bh(void)
         if (rcu_blocking_is_gp())
                 return;
 
+        init_rcu_head_on_stack(&rcu.head);
         init_completion(&rcu.completion);
         /* Will wake me after RCU finished. */
         call_rcu_bh(&rcu.head, wakeme_after_rcu);
         /* Wait for it. */
         wait_for_completion(&rcu.completion);
+        destroy_rcu_head_on_stack(&rcu.head);
 }
 EXPORT_SYMBOL_GPL(synchronize_rcu_bh);