diff options
| -rw-r--r-- | Python/bltinmodule.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c index 9f41efc..01771cb 100644 --- a/Python/bltinmodule.c +++ b/Python/bltinmodule.c @@ -2174,6 +2174,8 @@ filtertuple(PyObject *func, PyObject *tuple) if (tuple->ob_type->tp_as_sequence && tuple->ob_type->tp_as_sequence->sq_item) { item = tuple->ob_type->tp_as_sequence->sq_item(tuple, i); + if (item == NULL) + goto Fail_1; } else { PyErr_SetString(PyExc_TypeError, "filter(): unsubscriptable tuple"); goto Fail_1; @@ -2184,20 +2186,25 @@ filtertuple(PyObject *func, PyObject *tuple) } else { PyObject *arg = Py_BuildValue("(O)", item); - if (arg == NULL) + if (arg == NULL) { + Py_DECREF(item); goto Fail_1; + } good = PyEval_CallObject(func, arg); Py_DECREF(arg); - if (good == NULL) + if (good == NULL) { + Py_DECREF(item); goto Fail_1; + } } ok = PyObject_IsTrue(good); Py_DECREF(good); if (ok) { - Py_INCREF(item); if (PyTuple_SetItem(result, j++, item) < 0) goto Fail_1; } + else + Py_DECREF(item); } if (_PyTuple_Resize(&result, j) < 0) |