USB: input: kbtab.c: fix up dev_* messages

Previously I had made the struct device point to the input device, but
after talking with Dmitry, he said that the USB device would make more
sense for this driver to point to.  So converted it to use that instead.

CC: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/input/tablet/kbtab.c

@@ -33,6 +33,7 @@ struct kbtab {
 	dma_addr_t data_dma;
 	struct input_dev *dev;
 	struct usb_device *usbdev;
+	struct usb_interface *intf;
 	struct urb *irq;
 	char phys[32];
 };
@@ -53,11 +54,13 @@ static void kbtab_irq(struct urb *urb)
 	case -ENOENT:
 	case -ESHUTDOWN:
 		/* this urb is terminated, clean up */
-		dev_dbg(&dev->dev, "%s - urb shutting down with status: %d\n",
+		dev_dbg(&kbtab->intf->dev,
+			"%s - urb shutting down with status: %d\n",
 			__func__, urb->status);
 		return;
 	default:
-		dev_dbg(&dev->dev, "%s - nonzero urb status received: %d\n",
+		dev_dbg(&kbtab->intf->dev,
+			"%s - nonzero urb status received: %d\n",
 			__func__, urb->status);
 		goto exit;
 	}
@@ -82,7 +85,7 @@ static void kbtab_irq(struct urb *urb)
  exit:
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
 	if (retval)
-		dev_err(&dev->dev,
+		dev_err(&kbtab->intf->dev,
 			"%s - usb_submit_urb failed with result %d\n",
 			__func__, retval);
 }
@@ -134,6 +137,7 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
 		goto fail2;
 
 	kbtab->usbdev = dev;
+	kbtab->intf = intf;
 	kbtab->dev = input_dev;
 
 	usb_make_path(dev, kbtab->phys, sizeof(kbtab->phys));