1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 83a8abb9640f..06997e75114b 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -537,6 +537,8 @@ int register_ftrace_event(struct trace_event *event)
  out:
         mutex_unlock(&trace_event_mutex);
 
+        WARN_ON_ONCE(next_event_type > FTRACE_MAX_EVENT);
+
         return ret;
 }
 EXPORT_SYMBOL_GPL(register_ftrace_event);