Merged revisions 65677-65678,65683 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r65677 | martin.v.loewis | 2008-08-14 17:54:27 +0200 (Do, 14 Aug 2008) | 3 lines

  Make obj an owned reference in Py_buffer; this checkin
  was missing from the patch for #3139.
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  r65678 | martin.v.loewis | 2008-08-14 17:56:07 +0200 (Do, 14 Aug 2008) | 2 lines

  Properly INCREF reference in Py_buffer.
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  r65683 | martin.v.loewis | 2008-08-14 22:12:06 +0200 (Do, 14 Aug 2008) | 2 lines

  Fix memory leak: Always DECREF obj in PyBuffer_Release.
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Objects/abstract.c

@@ -670,6 +670,8 @@ PyBuffer_FillInfo(Py_buffer *view, PyObject *obj, void *buf, Py_ssize_t len,
 	}
 
 	view->obj = obj;
+	if (obj)
+		Py_INCREF(obj);
 	view->buf = buf;
 	view->len = len;
 	view->readonly = readonly;
@@ -693,11 +695,10 @@ void
 PyBuffer_Release(Py_buffer *view)
 {
 	PyObject *obj = view->obj;
-	if (!obj || !Py_TYPE(obj)->tp_as_buffer || !Py_TYPE(obj)->tp_as_buffer->bf_releasebuffer)
-		/* Unmanaged buffer */
-		return;
-	Py_TYPE(obj)->tp_as_buffer->bf_releasebuffer(obj, view);
-	
+	if (obj && Py_TYPE(obj)->tp_as_buffer && Py_TYPE(obj)->tp_as_buffer->bf_releasebuffer)
+		Py_TYPE(obj)->tp_as_buffer->bf_releasebuffer(obj, view);
+	Py_XDECREF(obj);
+	view->obj = NULL;
 }
 
 PyObject *