The buffer ``type`` is not supported, or the ``index`` is out of
bounds, or no buffers have been allocated yet, or the ``userptr`` or
``length`` are invalid, or the ``V4L2_BUF_FLAG_REQUEST_FD`` flag was
- set but the the given ``request_fd`` was invalid, or ``m.fd`` was
+ set but the given ``request_fd`` was invalid, or ``m.fd`` was
an invalid DMABUF file descriptor.
EIO