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-rw-r--r--tools/lib/traceevent/event-parse.c7
-rw-r--r--tools/lib/traceevent/event-parse.h3
2 files changed, 5 insertions, 5 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 82b0606dcb8a..d1c2a6a4cd32 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -5450,10 +5450,9 @@ int pevent_register_print_function(struct pevent *pevent,
* If @id is >= 0, then it is used to find the event.
* else @sys_name and @event_name are used.
*/
-int pevent_register_event_handler(struct pevent *pevent,
- int id, char *sys_name, char *event_name,
- pevent_event_handler_func func,
- void *context)
+int pevent_register_event_handler(struct pevent *pevent, int id,
+ const char *sys_name, const char *event_name,
+ pevent_event_handler_func func, void *context)
{
struct event_format *event;
struct event_handler *handle;
diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index 7be7e89533e4..bfceab948f22 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -561,7 +561,8 @@ int pevent_print_num_field(struct trace_seq *s, const char *fmt,
struct event_format *event, const char *name,
struct pevent_record *record, int err);
-int pevent_register_event_handler(struct pevent *pevent, int id, char *sys_name, char *event_name,
+int pevent_register_event_handler(struct pevent *pevent, int id,
+ const char *sys_name, const char *event_name,
pevent_event_handler_func func, void *context);
int pevent_register_print_function(struct pevent *pevent,
pevent_func_handler func,
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