On 16/01/2025 at 15:34, Ming Yu wrote: > Hi Vincent, > > I will remove priv->tx_skb in the next patch, but it seems that > can_flush_echo_skb() has not been EXPORT_SYMBOL_GPL(). > > I would like to know if nct6694_can_clean() requires modification. Indeed, you can can_free_echo_skb(ndev, 0, NULL) instead of can_flush_echo_skb(ndev). That one is exported. Yours sincerely, Vincent Mailhol