1 files changed, 2 insertions, 2 deletions

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index c674ee8f7fca..112cf49d9576 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -202,7 +202,7 @@ enum trace_reg {
 struct ftrace_event_call;
 
 struct ftrace_event_class {
-        char                    *system;
+        const char              *system;
         void                    *probe;
 #ifdef CONFIG_PERF_EVENTS
         void                    *perf_probe;
@@ -285,7 +285,7 @@ struct ftrace_event_call {
                 struct tracepoint       *tp;
         };
         struct trace_event      event;
-        const char              *print_fmt;
+        char                    *print_fmt;
         struct event_filter     *filter;
         void                    *mod;
         void                    *data;