1 files changed, 7 insertions, 5 deletions

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 4372658c73ae..120d57a1c3a5 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -78,6 +78,11 @@ struct trace_iterator {
         /* trace_seq for __print_flags() and __print_symbolic() etc. */
         struct trace_seq        tmp_seq;
 
+        cpumask_var_t           started;
+
+        /* it's true when current open file is snapshot */
+        bool                    snapshot;
+
         /* The below is zeroed out in pipe_read */
         struct trace_seq        seq;
         struct trace_entry      *ent;
@@ -90,10 +95,7 @@ struct trace_iterator {
         loff_t                  pos;
         long                    idx;
 
-        cpumask_var_t           started;
-
-        /* it's true when current open file is snapshot */
-        bool                    snapshot;
+        /* All new field here will be zeroed out in pipe_read */
 };
 
 enum trace_iter_flags {
@@ -332,7 +334,7 @@ extern int trace_define_field(struct ftrace_event_call *call, const char *type,
                               const char *name, int offset, int size,
                               int is_signed, int filter_type);
 extern int trace_add_event_call(struct ftrace_event_call *call);
-extern void trace_remove_event_call(struct ftrace_event_call *call);
+extern int trace_remove_event_call(struct ftrace_event_call *call);
 
 #define is_signed_type(type)    (((type)(-1)) < (type)1)