1 files changed, 2 insertions, 0 deletions

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index d598b376e3c1..445a43ad42fd 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -1715,6 +1715,8 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
 
                 if (set_op_prio(arg) == -1) {
                         event->flags |= EVENT_FL_FAILED;
+                        /* arg->op.op (= token) will be freed at out_free */
+                        arg->op.op = NULL;
                         goto out_free;
                 }