#3946 fix PyObject_CheckBuffer on a memoryview object
reviewed by Antoine
diff --git a/Objects/abstract.c b/Objects/abstract.c
index 39cb803..aee20d6 100644
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -268,16 +268,16 @@
PyObject_CheckReadBuffer(PyObject *obj)
{
PyBufferProcs *pb = obj->ob_type->tp_as_buffer;
+ Py_buffer view;
if (pb == NULL ||
pb->bf_getbuffer == NULL)
return 0;
- if ((*pb->bf_getbuffer)(obj, NULL, PyBUF_SIMPLE) == -1) {
+ if ((*pb->bf_getbuffer)(obj, &view, PyBUF_SIMPLE) == -1) {
PyErr_Clear();
return 0;
}
- if (*pb->bf_releasebuffer != NULL)
- (*pb->bf_releasebuffer)(obj, NULL);
+ PyBuffer_Release(&view);
return 1;
}