can: kvaser_usb: Add intermediate variables

Add intermediate variables, for readability and to simplify future patches.

Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Link: https://patch.msgid.link/20250725123452.41-5-extja@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

Author: Jimmy Assarsson

drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c

@@ -364,10 +364,13 @@ static void kvaser_usb_read_bulk_callback(struct urb *urb)
 	err = usb_submit_urb(urb, GFP_ATOMIC);
 	if (err == -ENODEV) {
 		for (i = 0; i < dev->nchannels; i++) {
-			if (!dev->nets[i])
+			struct kvaser_usb_net_priv *priv;
+
+			priv = dev->nets[i];
+			if (!priv)
 				continue;
 
-			netif_device_detach(dev->nets[i]->netdev);
+			netif_device_detach(priv->netdev);
 		}
 	} else if (err) {
 		dev_err(&dev->intf->dev,
@@ -795,24 +798,27 @@ static void kvaser_usb_remove_interfaces(struct kvaser_usb *dev)
 {
 	const struct kvaser_usb_dev_ops *ops = dev->driver_info->ops;
 	int i;
+	struct kvaser_usb_net_priv *priv;
 
 	for (i = 0; i < dev->nchannels; i++) {
-		if (!dev->nets[i])
+		priv = dev->nets[i];
+		if (!priv)
 			continue;
 
-		unregister_candev(dev->nets[i]->netdev);
+		unregister_candev(priv->netdev);
 	}
 
 	kvaser_usb_unlink_all_urbs(dev);
 
 	for (i = 0; i < dev->nchannels; i++) {
-		if (!dev->nets[i])
+		priv = dev->nets[i];
+		if (!priv)
 			continue;
 
 		if (ops->dev_remove_channel)
-			ops->dev_remove_channel(dev->nets[i]);
+			ops->dev_remove_channel(priv);
 
-		free_candev(dev->nets[i]->netdev);
+		free_candev(priv->netdev);
 	}
 }