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-rw-r--r--tools/perf/util/python.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index b956868fd445..863b61478edd 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -1004,8 +1004,10 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
return PyErr_NoMemory();
evsel = perf_evlist__event2evsel(evlist, event);
- if (!evsel)
+ if (!evsel) {
+ Py_INCREF(Py_None);
return Py_None;
+ }
pevent->evsel = evsel;