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-rw-r--r--tools/perf/util/thread.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 89585f53c1d5..415c0e5d1e75 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -471,6 +471,7 @@ uint16_t thread__e_machine(struct thread *thread, struct machine *machine)
if (parent) {
e_machine = thread__e_machine(parent, machine);
+ thread__put(parent);
thread__set_e_machine(thread, e_machine);
return e_machine;
}