trace-graph: Do not depend on wakeup success field

The "success" field of the wakeup events is going away,
don't depend on them there. If they don't exist, then the
wakeup was successful, so treat it as such.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 10 insertions, 6 deletions

diff --git a/trace-graph.c b/trace-graph.c
index 4e91fe8..7225880 100644
--- a/trace-graph.c
+++ b/trace-graph.c
@@ -1041,9 +1041,11 @@ int trace_graph_check_sched_wakeup(struct graph_info *ginfo,
 
         if (id == ginfo->event_wakeup_id) {
                 /* We only want those that actually woke up the task */
-                pevent_read_number_field(ginfo->wakeup_success_field, record->data, &val);
-                if (!val)
-                        return 0;
+                if (ginfo->wakeup_success_field) {
+                        pevent_read_number_field(ginfo->wakeup_success_field, record->data, &val);
+                        if (!val)
+                                return 0;
+                }
                 pevent_read_number_field(ginfo->wakeup_pid_field, record->data, &val);
                 if (pid)
                         *pid = val;
@@ -1052,9 +1054,11 @@ int trace_graph_check_sched_wakeup(struct graph_info *ginfo,
 
         if (id == ginfo->event_wakeup_new_id) {
                 /* We only want those that actually woke up the task */
-                pevent_read_number_field(ginfo->wakeup_new_success_field, record->data, &val);
-                if (!val)
-                        return 0;
+                if (ginfo->wakeup_new_success_field) {
+                        pevent_read_number_field(ginfo->wakeup_new_success_field, record->data, &val);
+                        if (!val)
+                                return 0;
+                }
                 pevent_read_number_field(ginfo->wakeup_new_pid_field, record->data, &val);
                 if (pid)
                         *pid = val;