USB: input: xpad.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>
CC: "Magnus Hörlin" <magnus@alefors.se>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/input/joystick/xpad.c

@@ -252,6 +252,7 @@ MODULE_DEVICE_TABLE (usb, xpad_table);
 struct usb_xpad {
 	struct input_dev *dev;		/* input device interface */
 	struct usb_device *udev;	/* usb device */
+	struct usb_interface *intf;	/* usb interface */
 
 	int pad_present;
 
@@ -457,7 +458,7 @@ static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned cha
 static void xpad_irq_in(struct urb *urb)
 {
 	struct usb_xpad *xpad = urb->context;
-	struct device *dev = &xpad->dev->dev;
+	struct device *dev = &xpad->intf->dev;
 	int retval, status;
 
 	status = urb->status;
@@ -500,7 +501,7 @@ exit:
 static void xpad_bulk_out(struct urb *urb)
 {
 	struct usb_xpad *xpad = urb->context;
-	struct device *dev = &xpad->dev->dev;
+	struct device *dev = &xpad->intf->dev;
 
 	switch (urb->status) {
 	case 0:
@@ -523,7 +524,7 @@ static void xpad_bulk_out(struct urb *urb)
 static void xpad_irq_out(struct urb *urb)
 {
 	struct usb_xpad *xpad = urb->context;
-	struct device *dev = &xpad->dev->dev;
+	struct device *dev = &xpad->intf->dev;
 	int retval, status;
 
 	status = urb->status;
@@ -855,6 +856,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
 	}
 
 	xpad->udev = udev;
+	xpad->intf = intf;
 	xpad->mapping = xpad_device[i].mapping;
 	xpad->xtype = xpad_device[i].xtype;