diff options
| author | Arnaldo Carvalho de Melo <[email protected]> | 2025-03-12 20:31:39 +0000 |
|---|---|---|
| committer | Namhyung Kim <[email protected]> | 2025-03-18 23:08:29 +0000 |
| commit | 3de5a2bf5b4847f7a59a184568f969f8fe05d57f (patch) | |
| tree | ecf453076138fd54ab718f30be7a5aa52716fcfa /tools/perf/util/python.c | |
| parent | perf python tracepoint.py: Change the COMM using setproctitle if available (diff) | |
| download | kernel-3de5a2bf5b4847f7a59a184568f969f8fe05d57f.tar.gz kernel-3de5a2bf5b4847f7a59a184568f969f8fe05d57f.zip | |
perf python: Decrement the refcount of just created event on failure
To avoid a leak if we have the python object but then something happens
and we need to return the operation, decrement the offset of the newly
created object.
Fixes: 377f698db12150a1 ("perf python: Add struct evsel into struct pyrf_event")
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Reviewed-by: Ian Rogers <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Namhyung Kim <[email protected]>
Diffstat (limited to 'tools/perf/util/python.c')
| -rw-r--r-- | tools/perf/util/python.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index f9491b669976..31a877a8eb8f 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -1012,6 +1012,7 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist, evsel = evlist__event2evsel(evlist, event); if (!evsel) { + Py_DECREF(pyevent); Py_INCREF(Py_None); return Py_None; } @@ -1023,9 +1024,12 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist, /* Consume the even only after we parsed it out. */ perf_mmap__consume(&md->core); - if (err) + if (err) { + Py_DECREF(pyevent); return PyErr_Format(PyExc_OSError, "perf: can't parse sample, err=%d", err); + } + return pyevent; } end: |