tracing: Move fields from event to class structure

[deliverable/linux.git] / kernel / trace / trace_events_filter.c

diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index ca329603d0bf81c5c7fc01574e926a317966d87d..961f99b74bdd0a63b1b723cd9ebc05821725ebd0 100644 (file)
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -500,8 +500,10 @@ static struct ftrace_event_field *
 find_event_field(struct ftrace_event_call *call, char *name)
 {
        struct ftrace_event_field *field;
+       struct list_head *head;
 
-       list_for_each_entry(field, &call->fields, link) {
+       head = trace_get_fields(call);
+       list_for_each_entry(field, head, link) {
                if (!strcmp(field->name, name))
                        return field;
        }
@@ -625,7 +627,7 @@ static int init_subsystem_preds(struct event_subsystem *system)
        int err;
 
        list_for_each_entry(call, &ftrace_events, list) {
-               if (!call->define_fields)
+               if (!call->class || !call->class->define_fields)
                        continue;
 
                if (strcmp(call->class->system, system->name) != 0)
@@ -644,7 +646,7 @@ static void filter_free_subsystem_preds(struct event_subsystem *system)
        struct ftrace_event_call *call;
 
        list_for_each_entry(call, &ftrace_events, list) {
-               if (!call->define_fields)
+               if (!call->class || !call->class->define_fields)
                        continue;
 
                if (strcmp(call->class->system, system->name) != 0)
@@ -1249,7 +1251,7 @@ static int replace_system_preds(struct event_subsystem *system,
        list_for_each_entry(call, &ftrace_events, list) {
                struct event_filter *filter = call->filter;
 
-               if (!call->define_fields)
+               if (!call->class || !call->class->define_fields)
                        continue;
 
                if (strcmp(call->class->system, system->name) != 0)