232 	int rv = 0;  in wdm_int_callback()  local
296 		rv = usb_submit_urb(desc->response, GFP_ATOMIC);  in wdm_int_callback()
297 		dev_dbg(&desc->intf->dev, "submit response URB %d\n", rv);  in wdm_int_callback()
300 	if (rv < 0) {  in wdm_int_callback()
302 		if (rv == -EPERM)  in wdm_int_callback()
304 		if (rv == -ENOMEM) {  in wdm_int_callback()
306 			rv = schedule_work(&desc->rxwork);  in wdm_int_callback()
307 			if (rv)  in wdm_int_callback()
313 	rv = usb_submit_urb(urb, GFP_ATOMIC);  in wdm_int_callback()
314 	if (rv)  in wdm_int_callback()
317 			__func__, rv);  in wdm_int_callback()
351 	int rv = -EMSGSIZE, r, we;  in wdm_write()  local
371 	rv = -ERESTARTSYS;  in wdm_write()
376 		rv = -ENODEV;  in wdm_write()
382 		rv = usb_translate_errors(r);  in wdm_write()
397 		rv = r;  in wdm_write()
423 	rv = usb_submit_urb(desc->command, GFP_KERNEL);  in wdm_write()
424 	if (rv < 0) {  in wdm_write()
427 		dev_err(&desc->intf->dev, "Tx URB error: %d\n", rv);  in wdm_write()
428 		rv = usb_translate_errors(rv);  in wdm_write()
445 	return rv;  in wdm_write()
455 	int rv = 0;  in service_outstanding_interrupt()  local
463 	rv = usb_submit_urb(desc->response, GFP_KERNEL);  in service_outstanding_interrupt()
465 	if (rv) {  in service_outstanding_interrupt()
467 			"usb_submit_urb failed with result %d\n", rv);  in service_outstanding_interrupt()
474 	return rv;  in service_outstanding_interrupt()
480 	int rv, cntr;  in wdm_read()  local
485 	rv = mutex_lock_interruptible(&desc->rlock); /*concurrent reads */  in wdm_read()
486 	if (rv < 0)  in wdm_read()
494 			rv = -ENODEV;  in wdm_read()
499 			rv = -ENOBUFS;  in wdm_read()
505 				rv = -EAGAIN;  in wdm_read()
508 			rv = 0;  in wdm_read()
510 			rv = wait_event_interruptible(desc->wait,  in wdm_read()
516 			rv = -ENODEV;  in wdm_read()
520 			rv = -EIO;  in wdm_read()
524 		if (rv < 0) {  in wdm_read()
525 			rv = -ERESTARTSYS;  in wdm_read()
532 			rv = usb_translate_errors(desc->rerr);  in wdm_read()
549 			rv = service_outstanding_interrupt(desc);  in wdm_read()
551 			if (rv < 0)  in wdm_read()
561 	rv = copy_to_user(buffer, desc->ubuf, cntr);  in wdm_read()
562 	if (rv > 0) {  in wdm_read()
563 		rv = -EFAULT;  in wdm_read()
579 	rv = cntr;  in wdm_read()
583 	return rv;  in wdm_read()
639 	int rv = -ENODEV;  in wdm_open()  local
653 	rv = usb_autopm_get_interface(desc->intf);  in wdm_open()
654 	if (rv < 0) {  in wdm_open()
655 		dev_err(&desc->intf->dev, "Error autopm - %d\n", rv);  in wdm_open()
664 		rv = usb_submit_urb(desc->validity, GFP_KERNEL);  in wdm_open()
665 		if (rv < 0) {  in wdm_open()
668 				"Error submitting int urb - %d\n", rv);  in wdm_open()
669 			rv = usb_translate_errors(rv);  in wdm_open()
672 		rv = 0;  in wdm_open()
680 	return rv;  in wdm_open()
715 	int rv = 0;  in wdm_ioctl()  local
720 			rv = -EFAULT;  in wdm_ioctl()
723 		rv = -ENOTTY;  in wdm_ioctl()
725 	return rv;  in wdm_ioctl()
752 	int rv = 0;  in wdm_rxwork()  local
762 			rv = usb_submit_urb(desc->response, GFP_KERNEL);  in wdm_rxwork()
763 		if (rv < 0 && rv != -EPERM) {  in wdm_rxwork()
793 	int rv = -ENOMEM;  in wdm_create()  local
811 	rv = -EINVAL;  in wdm_create()
883 	rv = usb_register_dev(intf, &wdm_class);  in wdm_create()
884 	if (rv < 0)  in wdm_create()
889 	return rv;  in wdm_create()
895 	return rv;  in wdm_create()
901 	int rv = usb_autopm_get_interface(intf);  in wdm_manage_power()  local
904 	if (!rv)  in wdm_manage_power()
911 	int rv = -EINVAL;  in wdm_probe()  local
932 	rv = wdm_create(intf, ep, maxcom, &wdm_manage_power);  in wdm_probe()
935 	return rv;  in wdm_probe()
962 	int rv;  in usb_cdc_wdm_register()  local
964 	rv = wdm_create(intf, ep, bufsize, manage_power);  in usb_cdc_wdm_register()
965 	if (rv < 0)  in usb_cdc_wdm_register()
970 	return ERR_PTR(rv);  in usb_cdc_wdm_register()
1013 	int rv = 0;  in wdm_suspend()  local
1028 		rv = -EBUSY;  in wdm_suspend()
1043 	return rv;  in wdm_suspend()
1049 	int rv = 0;  in recover_from_urb_loss()  local
1052 		rv = usb_submit_urb(desc->validity, GFP_NOIO);  in recover_from_urb_loss()
1053 		if (rv < 0)  in recover_from_urb_loss()
1055 				"Error resume submitting int urb - %d\n", rv);  in recover_from_urb_loss()
1057 	return rv;  in recover_from_urb_loss()
1064 	int rv;  in wdm_resume()  local
1069 	rv = recover_from_urb_loss(desc);  in wdm_resume()
1071 	return rv;  in wdm_resume()
1103 	int rv;  in wdm_post_reset()  local
1107 	rv = recover_from_urb_loss(desc);  in wdm_post_reset()
1110 	return rv;  in wdm_post_reset()