mixer: simple module: python 3.10 PyTuple_SET_ITEM() fix

Make code compatible with Python 3.10 As noted in bpo-30459,
PyTuple_SET_ITEM() does not return a value.

Link: https://bugs.python.org/issue30459
Fixes: https://github.com/alsa-project/alsa-lib/pull/210
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/modules/mixer/simple/python.c b/modules/mixer/simple/python.c
index 8a7264d435cef31061f8c98045ea8438b5bebec1..6b51e6bcc1d9d4a9a00dc67f19e1022a75db640a 100644 (file)
--- a/modules/mixer/simple/python.c
+++ b/modules/mixer/simple/python.c
@@ -775,8 +775,8 @@ pymixer_melement_new(struct pymixer *pymixer, PyObject *args)
        obj = PyDict_GetItemString(pymixer->mdict, class);
        if (obj) {
                obj1 = PyTuple_New(4);
-               if (PyTuple_SET_ITEM(obj1, 0, (PyObject *)pymixer))
-                       Py_INCREF((PyObject *)pymixer);
+               PyTuple_SET_ITEM(obj1, 0, (PyObject *)pymixer);
+               Py_INCREF((PyObject *)pymixer);
                PyTuple_SET_ITEM(obj1, 1, PyUnicode_FromString(name));
                PyTuple_SET_ITEM(obj1, 2, PyInt_FromLong(index));
                PyTuple_SET_ITEM(obj1, 3, PyInt_FromLong(weight));
@@ -920,8 +920,8 @@ static PyObject *new_helem(struct python_priv *priv, snd_hctl_elem_t *helem)
        obj = PyDict_GetItemString(priv->py_mdict, "HElement");
        if (obj) {
                obj1 = PyTuple_New(3);
-               if (PyTuple_SET_ITEM(obj1, 0, py_hctl))
-                       Py_INCREF(py_hctl);
+               PyTuple_SET_ITEM(obj1, 0, py_hctl);
+               Py_INCREF(py_hctl);
                PyTuple_SET_ITEM(obj1, 1, PyFloat_FromDouble(1));
                PyTuple_SET_ITEM(obj1, 2, PyInt_FromLong((long)helem));
                obj2 = PyObject_CallObject(obj, obj1);
@@ -995,11 +995,11 @@ int alsa_mixer_simple_event(snd_mixer_class_t *class, unsigned int mask,
                }
                if (o == NULL)
                        return 0;
-               if (PyTuple_SET_ITEM(t, 1, o))
-                       Py_INCREF(o);
+               PyTuple_SET_ITEM(t, 1, o);
+               Py_INCREF(o);
                o = melem ? find_melem(priv, melem) : Py_None;
-               if (PyTuple_SET_ITEM(t, 2, o))
-                       Py_INCREF(o);
+               PyTuple_SET_ITEM(t, 2, o);
+               Py_INCREF(o);
                r = PyObject_CallObject(priv->py_event_func, t);
                Py_DECREF(t);
                if (r) {
@@ -1066,8 +1066,8 @@ static int alsa_mixer_simple_pyinit(struct python_priv *priv,
                obj1 = PyTuple_New(3);
                PyTuple_SET_ITEM(obj1, 0, PyInt_FromLong((long)class));
                PyTuple_SET_ITEM(obj1, 1, PyInt_FromLong((long)mixer));
-               if (PyTuple_SET_ITEM(obj1, 2, mdict))
-                       Py_INCREF(mdict);
+               PyTuple_SET_ITEM(obj1, 2, mdict);
+               Py_INCREF(mdict);
                obj2 = PyObject_CallObject(obj, obj1);
                Py_XDECREF(obj1);
                PyDict_SetItemString(mdict, "mixer", obj2);