diff -r b8a665a36f7b Lib/test/test_memoryview.py
--- a/Lib/test/test_memoryview.py	Thu Aug 21 05:02:47 2008 +0200
+++ b/Lib/test/test_memoryview.py	Thu Aug 28 13:21:04 2008 +0200
@@ -157,6 +157,18 @@
         m = self.check_attributes_with_type(bytearray)
         self.assertEquals(m.readonly, False)
 
+    def test_getbuffer(self):
+        # Test PyObject_GetBuffer() on a memoryview object.
+        b = self.base_object
+        oldrefcount = sys.getrefcount(b)
+        m = self._view(b)
+        oldviewrefcount = sys.getrefcount(m)
+        s = str(m, "utf-8")
+        self._check_contents(b, s.encode("utf-8"))
+        self.assertEquals(sys.getrefcount(m), oldviewrefcount)
+        m = None
+        self.assertEquals(sys.getrefcount(b), oldrefcount)
+
 
 class MemoryviewTest(unittest.TestCase, CommonMemoryTests):
 
diff -r b8a665a36f7b Objects/memoryobject.c
--- a/Objects/memoryobject.c	Thu Aug 21 05:02:47 2008 +0200
+++ b/Objects/memoryobject.c	Thu Aug 28 13:21:04 2008 +0200
@@ -3,24 +3,34 @@
 
 #include "Python.h"
 
+static void
+dup_buffer(Py_buffer *dest, Py_buffer *src)
+{
+	*dest = *src;
+        if (src->shape == &(src->len))
+            dest->shape = &(dest->len);
+        if (src->strides == &(src->itemsize))
+            dest->strides = &(dest->itemsize);
+}
+
 static int
 memory_getbuf(PyMemoryViewObject *self, Py_buffer *view, int flags)
 {
-        if (view != NULL) {
-		if (self->view.obj)
-			Py_INCREF(self->view.obj);
-		*view = self->view;
-	}
-	if (self->view.obj == NULL)
-		return 0;
-        return self->view.obj->ob_type->tp_as_buffer->bf_getbuffer(
-            self->view.obj, NULL, PyBUF_FULL);
+	int res = 0;
+	/* XXX for whatever reason fixing the flags seems necessary */
+	if (self->view.readonly)
+		flags &= ~PyBUF_WRITABLE;
+	if (self->view.obj != NULL)
+		res = PyObject_GetBuffer(self->view.obj, view, flags);
+	if (view)
+		dup_buffer(view, &self->view);
+	return res;
 }
 
 static void
 memory_releasebuf(PyMemoryViewObject *self, Py_buffer *view)
 {
-	PyBuffer_Release(&self->view);
+	PyBuffer_Release(view);
 }
 
 PyDoc_STRVAR(memory_doc,
@@ -37,12 +47,7 @@
 						   &PyMemoryView_Type);
 	if (mview == NULL) return NULL;
 	mview->base = NULL;
-        /* XXX there should be an API to duplicate a buffer object */
-	mview->view = *info;
-        if (info->shape == &(info->len))
-            mview->view.shape = &(mview->view.len);
-        if (info->strides == &(info->itemsize))
-            mview->view.strides = &(mview->view.itemsize);
+	dup_buffer(&mview->view, info);
         /* NOTE: mview->view.obj should already have been incref'ed as
            part of PyBuffer_FillInfo(). */
 	return (PyObject *)mview;