can: slcan: Replace sizeof struct can_frame with CAN_MTU

Use CAN_MTU macro instead of sizeof(struct can_frame) just like the
other drivers do.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Oliver Hartkopp <socketcan@hartkopp.net>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c
index 9a3f15c..eb71737 100644 (file)
--- a/drivers/net/can/slcan.c
+++ b/drivers/net/can/slcan.c
@@ -354,7 +354,7 @@ static netdev_tx_t slc_xmit(struct sk_buff *skb, struct net_device *dev)
 {
        struct slcan *sl = netdev_priv(dev);
 
-       if (skb->len != sizeof(struct can_frame))
+       if (skb->len != CAN_MTU)
                goto out;
 
        spin_lock(&sl->lock);
@@ -442,7 +442,7 @@ static void slc_setup(struct net_device *dev)
        dev->addr_len           = 0;
        dev->tx_queue_len       = 10;
 
-       dev->mtu                = sizeof(struct can_frame);
+       dev->mtu                = CAN_MTU;
        dev->type               = ARPHRD_CAN;
 
        /* New-style flags. */