stm32 spi fifo bug

/* NOTICE: for transmit with DMA a bug fix was needed, please see file
     *         core/src/stm32f7xx_it.c in function DMA2_Stream4_IRQHandler
     *         at line ~ 370
 */

void DMA2_Stream4_IRQHandler(void)
{
  /* USER CODE BEGIN DMA2_Stream4_IRQn 0 */

  /* BUG FIX --------------------------------------------------------------*/
  /* When using SPI with DMA in direct mode there is a known bug in
   * the hal library - The function HAL_SPI_Transmit_DMA enables fifo error
   * interrupts even when there is NO fifo and thus causing fifo error
   * interrupts to occur with NO fifo
   */
  if(hdma_spi5_tx.Init.FIFOMode != DMA_FIFOMODE_ENABLE)
  {
      /* Disable fifo error interrupt, they shouldn't even be on... */
      __HAL_DMA_DISABLE_IT(&hdma_spi5_tx, DMA_IT_FE);
  }

  /* USER CODE END DMA2_Stream4_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_spi5_tx);
  /* USER CODE BEGIN DMA2_Stream4_IRQn 1 */

  /* USER CODE END DMA2_Stream4_IRQn 1 */
}