can: slcan: fix whitespace issues

Add and remove whitespace to make checkpatch happy.

Link: https://lore.kernel.org/all/20220704125954.1587880-4-mkl@pengutronix.deSigned-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/slcan/slcan-core.c

@@ -74,7 +74,7 @@ module_param(maxdev, int, 0);
 MODULE_PARM_DESC(maxdev, "Maximum number of slcan interfaces");
 
 /* maximum rx buffer len: extended CAN frame with timestamp */
-#define SLC_MTU (sizeof("T1111222281122334455667788EA5F\r")+1)
+#define SLC_MTU (sizeof("T1111222281122334455667788EA5F\r") + 1)
 
 #define SLC_CMD_LEN 1
 #define SLC_SFF_ID_LEN 3
@@ -624,7 +624,7 @@ static netdev_tx_t slc_xmit(struct sk_buff *skb, struct net_device *dev)
 	}
 
 	netif_stop_queue(sl->dev);
-	slc_encaps(sl, (struct can_frame *) skb->data); /* encaps & send */
+	slc_encaps(sl, (struct can_frame *)skb->data); /* encaps & send */
 	spin_unlock(&sl->lock);
 
 out:
@@ -804,7 +804,7 @@ static void slcan_receive_buf(struct tty_struct *tty,
 			      const unsigned char *cp, const char *fp,
 			      int count)
 {
-	struct slcan *sl = (struct slcan *) tty->disc_data;
+	struct slcan *sl = (struct slcan *)tty->disc_data;
 
 	if (!sl || sl->magic != SLCAN_MAGIC || !netif_running(sl->dev))
 		return;
@@ -976,7 +976,7 @@ static int slcan_open(struct tty_struct *tty)
  */
 static void slcan_close(struct tty_struct *tty)
 {
-	struct slcan *sl = (struct slcan *) tty->disc_data;
+	struct slcan *sl = (struct slcan *)tty->disc_data;
 
 	/* First make sure we're connected. */
 	if (!sl || sl->magic != SLCAN_MAGIC || sl->tty != tty)
@@ -1006,7 +1006,7 @@ static void slcan_hangup(struct tty_struct *tty)
 static int slcan_ioctl(struct tty_struct *tty, unsigned int cmd,
 		       unsigned long arg)
 {
-	struct slcan *sl = (struct slcan *) tty->disc_data;
+	struct slcan *sl = (struct slcan *)tty->disc_data;
 	unsigned int tmp;
 
 	/* First make sure we're connected. */