1 files changed, 6 insertions, 1 deletions
diff --git a/Objects/abstract.c b/Objects/abstract.c
index 483f4da..06e3382 100644
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -612,7 +612,12 @@ int
 PyBuffer_FillInfo(Py_buffer *view, PyObject *obj, void *buf, Py_ssize_t len,
                   int readonly, int flags)
 {
-    if (view == NULL) return 0; /* XXX why not -1? */
+    if (view == NULL) {
+        PyErr_SetString(PyExc_BufferError,
+            "PyBuffer_FillInfo: view==NULL argument is obsolete");
+        return -1;
+    }
+
     if (((flags & PyBUF_WRITABLE) == PyBUF_WRITABLE) &&
         (readonly == 1)) {
         PyErr_SetString(PyExc_BufferError,