diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 81324a11a50f..1b6f5621ce89 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -192,7 +192,7 @@ struct flexcan_priv {
 
 	struct clk *clk;
 	struct flexcan_platform_data *pdata;
-	struct flexcan_devtype_data *devtype_data;
+	const struct flexcan_devtype_data *devtype_data;
 };
 
 static struct flexcan_devtype_data fsl_p1010_devtype_data = {
@@ -960,7 +960,7 @@ static const struct platform_device_id flexcan_id_table[] = {
 static int __devinit flexcan_probe(struct platform_device *pdev)
 {
 	const struct of_device_id *of_id;
-	struct flexcan_devtype_data *devtype_data;
+	const struct flexcan_devtype_data *devtype_data;
 	struct net_device *dev;
 	struct flexcan_priv *priv;
 	struct resource *mem;
diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c
index 5caa572d71e3..06adf881ea24 100644
--- a/drivers/net/can/mscan/mpc5xxx_can.c
+++ b/drivers/net/can/mscan/mpc5xxx_can.c
@@ -251,7 +251,7 @@ static struct of_device_id mpc5xxx_can_table[];
 static int __devinit mpc5xxx_can_probe(struct platform_device *ofdev)
 {
 	const struct of_device_id *match;
-	struct mpc5xxx_can_data *data;
+	const struct mpc5xxx_can_data *data;
 	struct device_node *np = ofdev->dev.of_node;
 	struct net_device *dev;
 	struct mscan_priv *priv;
diff --git a/drivers/net/can/softing/softing_main.c b/drivers/net/can/softing/softing_main.c
index a7c77c744ee9..f2a221e7b968 100644
--- a/drivers/net/can/softing/softing_main.c
+++ b/drivers/net/can/softing/softing_main.c
@@ -826,12 +826,12 @@ static __devinit int softing_pdev_probe(struct platform_device *pdev)
 		goto sysfs_failed;
 	}
 
-	ret = -ENOMEM;
 	for (j = 0; j < ARRAY_SIZE(card->net); ++j) {
 		card->net[j] = netdev =
 			softing_netdev_create(card, card->id.chip[j]);
 		if (!netdev) {
 			dev_alert(&pdev->dev, "failed to make can[%i]", j);
+			ret = -ENOMEM;
 			goto netdev_failed;
 		}
 		priv = netdev_priv(card->net[j]);