1 files changed, 15 insertions, 11 deletions

diff --git a/drivers/net/can/sun4i_can.c b/drivers/net/can/sun4i_can.c
index ab8d01784686..6fcb301ef611 100644
--- a/drivers/net/can/sun4i_can.c
+++ b/drivers/net/can/sun4i_can.c
@@ -570,7 +570,7 @@ static int sun4i_can_err(struct net_device *dev, u8 isrc, u8 status)
 		else
 			state = CAN_STATE_ERROR_ACTIVE;
 	}
-	if (skb && state != CAN_STATE_BUS_OFF) {
+	if (likely(skb) && state != CAN_STATE_BUS_OFF) {
 		cf->can_id |= CAN_ERR_CNT;
 		cf->data[6] = txerr;
 		cf->data[7] = rxerr;
@@ -579,11 +579,9 @@ 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) {
@@ -601,9 +599,15 @@ 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) {
@@ -629,10 +633,10 @@ static int sun4i_can_err(struct net_device *dev, u8 isrc, u8 status)
 		tx_state = txerr >= rxerr ? state : 0;
 		rx_state = txerr <= rxerr ? state : 0;
 
-		if (likely(skb))
-			can_change_state(dev, cf, tx_state, rx_state);
-		else
-			priv->can.state = state;
+		/* The skb allocation might fail, but can_change_state()
+		 * handles cf == NULL.
+		 */
+		can_change_state(dev, cf, tx_state, rx_state);
 		if (state == CAN_STATE_BUS_OFF)
 			can_bus_off(dev);
 	}
@@ -914,7 +918,7 @@ static struct platform_driver sun4i_can_driver = {
 		.of_match_table = sun4ican_of_match,
 	},
 	.probe = sun4ican_probe,
-	.remove_new = sun4ican_remove,
+	.remove = sun4ican_remove,
 };
 
 module_platform_driver(sun4i_can_driver);