if FileIO.__init__ fails, close fd

Misc/NEWS

@@ -10,6 +10,8 @@ What's New in Python 3.2 Beta 1?
 Core and Builtins
 -----------------
 
+- If FileIO.__init__ fails, close the file descriptor.
+
 - Issue #10221: dict.pop(k) now has a key error message that includes the
   missing key (same message d[k] returns for missing keys).
 

Modules/_io/fileio.c

@@ -410,6 +410,8 @@ fileio_init(PyObject *oself, PyObject *args, PyObject *kwds)
 
  error:
     ret = -1;
+    if (self->fd >= 0)
+        internal_close(self);
 
  done:
     Py_CLEAR(stringobj);