219 	int retval;  in ld_usb_interrupt_in_callback()  local
256 		retval = usb_submit_urb(dev->interrupt_in_urb, GFP_ATOMIC);  in ld_usb_interrupt_in_callback()
257 		if (retval) {  in ld_usb_interrupt_in_callback()
259 				"usb_submit_urb failed (%d)\n", retval);  in ld_usb_interrupt_in_callback()
296 	int retval;  in ld_usb_open()  local
321 		retval = -EBUSY;  in ld_usb_open()
343 	retval = usb_submit_urb(dev->interrupt_in_urb, GFP_KERNEL);  in ld_usb_open()
344 	if (retval) {  in ld_usb_open()
345 		dev_err(&interface->dev, "Couldn't submit interrupt_in_urb %d\n", retval);  in ld_usb_open()
357 	return retval;  in ld_usb_open()
366 	int retval = 0;  in ld_usb_release()  local
371 		retval = -ENODEV;  in ld_usb_release()
376 		retval = -ERESTARTSYS;  in ld_usb_release()
381 		retval = -ENODEV;  in ld_usb_release()
402 	return retval;  in ld_usb_release()
435 	int retval = 0;  in ld_usb_read()  local
446 		retval = -ERESTARTSYS;  in ld_usb_read()
452 		retval = -ENODEV;  in ld_usb_read()
453 		err("No device or device unplugged %d\n", retval);  in ld_usb_read()
463 			retval = -EAGAIN;  in ld_usb_read()
466 		retval = wait_event_interruptible(dev->read_wait, dev->interrupt_in_done);  in ld_usb_read()
467 		if (retval < 0)  in ld_usb_read()
482 		retval = -EFAULT;  in ld_usb_read()
487 	retval = bytes_to_read;  in ld_usb_read()
505 	return retval;  in ld_usb_read()
516 	int retval = 0;  in ld_usb_write()  local
526 		retval = -ERESTARTSYS;  in ld_usb_write()
532 		retval = -ENODEV;  in ld_usb_write()
533 		err("No device or device unplugged %d\n", retval);  in ld_usb_write()
540 			retval = -EAGAIN;  in ld_usb_write()
543 		retval = wait_event_interruptible(dev->write_wait, !dev->interrupt_out_busy);  in ld_usb_write()
544 		if (retval < 0) {  in ld_usb_write()
556 		retval = -EFAULT;  in ld_usb_write()
562 		retval = usb_control_msg(interface_to_usbdev(dev->intf),  in ld_usb_write()
570 		if (retval < 0)  in ld_usb_write()
571 			err("Couldn't submit HID_REQ_SET_REPORT %d\n", retval);  in ld_usb_write()
589 	retval = usb_submit_urb(dev->interrupt_out_urb, GFP_KERNEL);  in ld_usb_write()
590 	if (retval) {  in ld_usb_write()
592 		err("Couldn't submit interrupt_out_urb %d\n", retval);  in ld_usb_write()
595 	retval = bytes_to_write;  in ld_usb_write()
602 	return retval;  in ld_usb_write()
639 	int retval = -ENOMEM;  in ld_usb_probe()  local
723 	retval = usb_register_dev(intf, &ld_usb_class);  in ld_usb_probe()
724 	if (retval) {  in ld_usb_probe()
736 	return retval;  in ld_usb_probe()
741 	return retval;  in ld_usb_probe()
790 	int retval;  in ld_usb_init()  local
793 	retval = usb_register(&ld_usb_driver);  in ld_usb_init()
794 	if (retval)  in ld_usb_init()
795 		err("usb_register failed for the "__FILE__" driver. Error number %d\n", retval);  in ld_usb_init()
797 	return retval;  in ld_usb_init()