Avoid extra function

Objects/typeobject.c

@@ -9115,17 +9115,23 @@ releasebuffer_maybe_call_super(PyObject *self, Py_buffer *buffer)
 }
 
 static void
-releasebuffer_call_python_inner(PyObject *self, Py_buffer *buffer)
+releasebuffer_call_python(PyObject *self, Py_buffer *buffer)
 {
-    assert(!PyErr_Occurred());
+    // bf_releasebuffer may be called while an exception is already active.
+    // We have no way to report additional errors up the stack, because
+    // this slot returns void, so we simply stash away the active exception
+    // and restore it after the call to Python returns.
+    PyObject *type, *value, *traceback;
+    PyErr_Fetch(&type, &value, &traceback);
+
     PyObject *mv;
     bool is_buffer_wrapper = Py_TYPE(buffer->obj) == &_PyBufferWrapper_Type;
     if (is_buffer_wrapper) {
         // Make sure we pass the same memoryview to
         // __release_buffer__() that __buffer__() returned.
         PyBufferWrapper *bw = (PyBufferWrapper *)buffer->obj;
         if (bw->mv == NULL) {
-            return;
+            goto end;
         }
         mv = Py_NewRef(bw->mv);
     }
@@ -9135,7 +9141,7 @@ releasebuffer_call_python_inner(PyObject *self, Py_buffer *buffer)
         mv = PyMemoryView_FromBuffer(buffer);
         if (mv == NULL) {
             PyErr_WriteUnraisable(self);
-            return;
+            goto end;
         }
         // Set the memoryview to restricted mode, which forbids
         // users from saving any reference to the underlying buffer
@@ -9156,19 +9162,7 @@ releasebuffer_call_python_inner(PyObject *self, Py_buffer *buffer)
         PyObject_CallMethodNoArgs(mv, &_Py_ID(release));
     }
     Py_DECREF(mv);
-}
-
-static void
-releasebuffer_call_python(PyObject *self, Py_buffer *buffer)
-{
-    // bf_releasebuffer may be called while an exception is already active.
-    // We have no way to report additional errors up the stack, because
-    // this slot returns void, so we simply stash away the active exception
-    // and restore it after the call to Python returns.
-    PyObject *type, *value, *traceback;
-    PyErr_Fetch(&type, &value, &traceback);
-
-    releasebuffer_call_python_inner(self, buffer);
+end:
     assert(!PyErr_Occurred());
 
     PyErr_Restore(type, value, traceback);