diff options
| author | Petr Machata <[email protected]> | 2018-03-22 00:57:32 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2018-03-23 16:45:20 -0300 |
| commit | 83428f2fad48e16fddff0cb445cb4fedf5afe4ab (patch) | |
| tree | addf1890e855ad68222a8eb2111c6867581cc640 | |
| parent | 751b1783da784299b0509adb6a9cd3024cc4f837 (diff) | |
perf python: Reference Py_None before returning it
Python None objects are handled just like all the other objects with
respect to their reference counting. Before returning Py_None, its
reference count thus needs to be bumped.
Signed-off-by: Petr Machata <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Petr Machata <[email protected]>
Link: http://lkml.kernel.org/r/b1e565ecccf68064d8d54f37db5d028dda8fa522.1521675563.git.petrm@mellanox.com
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
| -rw-r--r-- | tools/perf/util/python.c | 4 |
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; |