diff --git a/drivers/net/can/sun4i_can.c b/drivers/net/can/sun4i_can.c index 6bf721eda65d2a..4bec1e7e7b3e3c 100644 --- a/drivers/net/can/sun4i_can.c +++ b/drivers/net/can/sun4i_can.c @@ -580,11 +580,9 @@ static int sun4i_can_err(struct net_device *dev, u8 isrc, u8 status) /* bus error interrupt */ netdev_dbg(dev, "bus error interrupt\n"); priv->can.can_stats.bus_error++; - stats->rx_errors++; + ecc = readl(priv->base + SUN4I_REG_STA_ADDR); if (likely(skb)) { - ecc = readl(priv->base + SUN4I_REG_STA_ADDR); - cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR; switch (ecc & SUN4I_STA_MASK_ERR) { @@ -602,9 +600,15 @@ static int sun4i_can_err(struct net_device *dev, u8 isrc, u8 status) >> 16; break; } - /* error occurred during transmission? */ - if ((ecc & SUN4I_STA_ERR_DIR) == 0) + } + + /* error occurred during transmission? */ + if ((ecc & SUN4I_STA_ERR_DIR) == 0) { + if (likely(skb)) cf->data[2] |= CAN_ERR_PROT_TX; + stats->tx_errors++; + } else { + stats->rx_errors++; } } if (isrc & SUN4I_INT_ERR_PASSIVE) {