USB: input: cm109.c: fix up dev_err() usage

We should always reference the input device for dev_err(), not the USB
device.  Fix up the places where I got this wrong.
Reported-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
CC: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/input/misc/cm109.c

@@ -327,7 +327,7 @@ static void cm109_submit_buzz_toggle(struct cm109_dev *dev)
 
 	error = usb_submit_urb(dev->urb_ctl, GFP_ATOMIC);
 	if (error)
-		dev_err(&dev->intf->dev,
+		dev_err(&dev->idev->dev,
 			"%s: usb_submit_urb (urb_ctl) failed %d\n",
 			__func__, error);
 }
@@ -351,7 +351,7 @@ static void cm109_urb_irq_callback(struct urb *urb)
 	if (status) {
 		if (status == -ESHUTDOWN)
 			return;
-		dev_err(&dev->intf->dev, "%s: urb status %d\n", __func__, status);
+		dev_err(&dev->idev->dev, "%s: urb status %d\n", __func__, status);
 	}
 
 	/* Special keys */
@@ -398,7 +398,7 @@ static void cm109_urb_irq_callback(struct urb *urb)
 
 		error = usb_submit_urb(dev->urb_ctl, GFP_ATOMIC);
 		if (error)
-			dev_err(&dev->intf->dev,
+			dev_err(&dev->idev->dev,
 				"%s: usb_submit_urb (urb_ctl) failed %d\n",
 				__func__, error);
 	}
@@ -419,7 +419,7 @@ static void cm109_urb_ctl_callback(struct urb *urb)
 	     dev->ctl_data->byte[3]);
 
 	if (status)
-		dev_err(&dev->intf->dev, "%s: urb status %d\n", __func__, status);
+		dev_err(&dev->idev->dev, "%s: urb status %d\n", __func__, status);
 
 	spin_lock(&dev->ctl_submit_lock);
 
@@ -436,7 +436,7 @@ static void cm109_urb_ctl_callback(struct urb *urb)
 			dev->irq_urb_pending = 1;
 			error = usb_submit_urb(dev->urb_irq, GFP_ATOMIC);
 			if (error)
-				dev_err(&dev->intf->dev,
+				dev_err(&dev->idev->dev,
 					"%s: usb_submit_urb (urb_irq) failed %d\n",
 					__func__, error);
 		}
@@ -480,7 +480,7 @@ static void cm109_toggle_buzzer_sync(struct cm109_dev *dev, int on)
 				dev->ctl_data,
 				USB_PKT_LEN, USB_CTRL_SET_TIMEOUT);
 	if (error < 0 && error != -EINTR)
-		dev_err(&dev->intf->dev, "%s: usb_control_msg() failed %d\n",
+		dev_err(&dev->idev->dev, "%s: usb_control_msg() failed %d\n",
 			__func__, error);
 }