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-rw-r--r--Modules/_io/bytesio.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/Modules/_io/bytesio.c b/Modules/_io/bytesio.c
index 16b8ac6..4a15c8e 100644
--- a/Modules/_io/bytesio.c
+++ b/Modules/_io/bytesio.c
@@ -990,7 +990,9 @@ static int
bytesio_clear(bytesio *self)
{
Py_CLEAR(self->dict);
- Py_CLEAR(self->buf);
+ if (self->exports == 0) {
+ Py_CLEAR(self->buf);
+ }
return 0;
}
@@ -1096,13 +1098,6 @@ bytesiobuf_releasebuffer(bytesiobuf *obj, Py_buffer *view)
}
static int
-bytesiobuf_clear(bytesiobuf *self)
-{
- Py_CLEAR(self->source);
- return 0;
-}
-
-static int
bytesiobuf_traverse(bytesiobuf *self, visitproc visit, void *arg)
{
Py_VISIT(Py_TYPE(self));
@@ -1116,7 +1111,7 @@ bytesiobuf_dealloc(bytesiobuf *self)
PyTypeObject *tp = Py_TYPE(self);
/* bpo-31095: UnTrack is needed before calling any callbacks */
PyObject_GC_UnTrack(self);
- (void)bytesiobuf_clear(self);
+ Py_CLEAR(self->source);
tp->tp_free(self);
Py_DECREF(tp);
}
@@ -1124,7 +1119,6 @@ bytesiobuf_dealloc(bytesiobuf *self)
static PyType_Slot bytesiobuf_slots[] = {
{Py_tp_dealloc, bytesiobuf_dealloc},
{Py_tp_traverse, bytesiobuf_traverse},
- {Py_tp_clear, bytesiobuf_clear},
// Buffer protocol
{Py_bf_getbuffer, bytesiobuf_getbuffer},