The unbind() method is optional is usb_composite_driver. In this particular driver the method does nothing so it can be removed. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx> --- drivers/usb/gadget/legacy/printer.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/usb/gadget/legacy/printer.c b/drivers/usb/gadget/legacy/printer.c index 6385c19..21ea317 100644 --- a/drivers/usb/gadget/legacy/printer.c +++ b/drivers/usb/gadget/legacy/printer.c @@ -1288,11 +1288,6 @@ fail: return status; } -static int printer_unbind(struct usb_composite_dev *cdev) -{ - return 0; -} - static int __init printer_bind(struct usb_composite_dev *cdev) { int ret; @@ -1317,7 +1312,6 @@ static __refdata struct usb_composite_driver printer_driver = { .strings = dev_strings, .max_speed = USB_SPEED_SUPER, .bind = printer_bind, - .unbind = printer_unbind, }; static int __init -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html