1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 189806b6e69e..35b3a4a5ba86 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -118,7 +118,7 @@ struct ftrace_event_call {
         int                     (*raw_init)(void);
         int                     (*show_format)(struct ftrace_event_call *call,
                                                struct trace_seq *s);
-        int                     (*define_fields)(void);
+        int                     (*define_fields)(struct ftrace_event_call *);
         struct list_head        fields;
         int                     filter_active;
         struct event_filter     *filter;