Fix multiple PyObject_SetAttrString() related leaks.
authorUwe Hermann <uwe@hermann-uwe.de>
Tue, 19 Nov 2019 21:32:25 +0000 (22:32 +0100)
committerUwe Hermann <uwe@hermann-uwe.de>
Tue, 19 Nov 2019 21:32:25 +0000 (22:32 +0100)
This fixes bug #1374.

instance.c
type_decoder.c

index 52fb43be570640a32da26aa61c01fea939421db5..85ff37e42e42e45fdc36416accd06d0de02b1196 100644 (file)
@@ -140,6 +140,7 @@ SRD_API int srd_inst_option_set(struct srd_decoder_inst *di,
        Py_DECREF(py_di_options);
        py_di_options = PyDict_New();
        PyObject_SetAttrString(di->py_inst, "options", py_di_options);
+       Py_DECREF(py_di_options);
 
        for (l = di->decoder->options; l; l = l->next) {
                sdo = l->data;
@@ -675,7 +676,7 @@ SRD_API int srd_inst_initial_pins_set_all(struct srd_decoder_inst *di, GArray *i
 /** @private */
 SRD_PRIV int srd_inst_start(struct srd_decoder_inst *di)
 {
-       PyObject *py_res;
+       PyObject *py_res, *py_samplenum;
        GSList *l;
        struct srd_decoder_inst *next_di;
        int ret;
@@ -695,7 +696,9 @@ SRD_PRIV int srd_inst_start(struct srd_decoder_inst *di)
        Py_DecRef(py_res);
 
        /* Set self.samplenum to 0. */
-       PyObject_SetAttrString(di->py_inst, "samplenum", PyLong_FromLong(0));
+       py_samplenum = PyLong_FromLong(0);
+       PyObject_SetAttrString(di->py_inst, "samplenum", py_samplenum);
+       Py_DECREF(py_samplenum);
 
        /* Set self.matched to None. */
        PyObject_SetAttrString(di->py_inst, "matched", Py_None);
index b04747e8f784716074b46462fbe5faa628cc8fca..cde2900b01a22f083539d0f751e82a7fa9633212 100644 (file)
@@ -850,7 +850,7 @@ static PyObject *Decoder_wait(PyObject *self, PyObject *args)
        unsigned int i;
        gboolean found_match;
        struct srd_decoder_inst *di;
-       PyObject *py_pinvalues, *py_matched;
+       PyObject *py_pinvalues, *py_matched, *py_samplenum;
        PyGILState_STATE gstate;
 
        if (!self || !args)
@@ -917,14 +917,16 @@ static PyObject *Decoder_wait(PyObject *self, PyObject *args)
                /* If there's a match, set self.samplenum etc. and return. */
                if (found_match) {
                        /* Set self.samplenum to the (absolute) sample number that matched. */
-                       PyObject_SetAttrString(di->py_inst, "samplenum",
-                               PyLong_FromLong(di->abs_cur_samplenum));
+                       py_samplenum = PyLong_FromLong(di->abs_cur_samplenum);
+                       PyObject_SetAttrString(di->py_inst, "samplenum", py_samplenum);
+                       Py_DECREF(py_samplenum);
 
                        if (di->match_array && di->match_array->len > 0) {
                                py_matched = PyTuple_New(di->match_array->len);
                                for (i = 0; i < di->match_array->len; i++)
                                        PyTuple_SetItem(py_matched, i, PyBool_FromLong(di->match_array->data[i]));
                                PyObject_SetAttrString(di->py_inst, "matched", py_matched);
+                               Py_DECREF(py_matched);
                                match_array_free(di);
                        } else {
                                PyObject_SetAttrString(di->py_inst, "matched", Py_None);