can: peak_usb: fix checkpatch warnings

This patch cleans several checkpatch warnings in the peak_usb driver.

Link: https://lore.kernel.org/r/20210406111622.1874957-2-mkl@pengutronix.deAcked-by: Stephane Grosjean <s.grosjean@peak-system.com>
Tested-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/usb/peak_usb/pcan_usb.c

@@ -401,7 +401,7 @@ static int pcan_usb_update_ts(struct pcan_usb_msg_context *mc)
 {
 	__le16 tmp16;
 
-	if ((mc->ptr+2) > mc->end)
+	if ((mc->ptr + 2) > mc->end)
 		return -EINVAL;
 
 	memcpy(&tmp16, mc->ptr, 2);
@@ -1039,7 +1039,7 @@ const struct peak_usb_adapter pcan_usb = {
 			      CAN_CTRLMODE_BERR_REPORTING |
 			      CAN_CTRLMODE_CC_LEN8_DLC,
 	.clock = {
-		.freq = PCAN_USB_CRYSTAL_HZ / 2 ,
+		.freq = PCAN_USB_CRYSTAL_HZ / 2,
 	},
 	.bittiming_const = &pcan_usb_const,
 

drivers/net/can/usb/peak_usb/pcan_usb_core.c

@@ -624,6 +624,7 @@ static int peak_usb_ndo_stop(struct net_device *netdev)
 	/* can set bus off now */
 	if (dev->adapter->dev_set_bus) {
 		int err = dev->adapter->dev_set_bus(dev, 0);
+
 		if (err)
 			return err;
 	}

drivers/net/can/usb/peak_usb/pcan_usb_core.h

@@ -31,7 +31,7 @@
 /* usb adapters maximum channels per usb interface */
 #define PCAN_USB_MAX_CHANNEL		2
 
-/* maximum length of the usb commands sent to/received from  the devices */
+/* maximum length of the usb commands sent to/received from the devices */
 #define PCAN_USB_MAX_CMD_LEN		32
 
 struct peak_usb_device;

drivers/net/can/usb/peak_usb/pcan_usb_pro.c

@@ -290,7 +290,7 @@ static int pcan_usb_pro_wait_rsp(struct peak_usb_device *dev,
 					   pr->data_type);
 
 			/* check if channel in response corresponds too */
-			else if ((req_channel != 0xff) && \
+			else if ((req_channel != 0xff) &&
 				(pr->bus_act.channel != req_channel))
 				netdev_err(dev->netdev,
 					"got rsp %xh but on chan%u: ignored\n",