PVS-Studio warning V570 for OpenJPEG

OPJ_SIZE_T opj_stream_write_skip (
  opj_stream_private_t * p_stream, ....)
{
  ....
  if (!l_is_written)
  {
    p_stream->m_status |= opj_stream_e_error;
    p_stream->m_bytes_in_buffer = 0;
    p_stream->m_current_data = p_stream->m_current_data;
    return (OPJ_SIZE_T) -1;
  }
  ....
}

This suspicious code was found in OpenJPEG project by PVS-Studio static code analyzer.
Warning message is:
V570 The 'p_stream->m_current_data' variable is assigned to itself. cio.c 675

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/