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-rw-r--r--kernel/trace/trace_output.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 83a8abb9640..06997e75114 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);