1 files changed, 8 insertions, 0 deletions

diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 9819a69a61a1..eaf1c5de6dcc 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -5893,6 +5893,14 @@ again:
         }
 }
 
+void perf_event_delayed_put(struct task_struct *task)
+{
+        int ctxn;
+
+        for_each_task_context_nr(ctxn)
+                WARN_ON_ONCE(task->perf_event_ctxp[ctxn]);
+}
+
 /*
  * inherit a event from parent task to child task:
  */