235 	int rv = 0;  in wdm_int_callback()  local
299 		rv = usb_submit_urb(desc->response, GFP_ATOMIC);  in wdm_int_callback()
300 		dev_dbg(&desc->intf->dev, "submit response URB %d\n", rv);  in wdm_int_callback()
303 	if (rv < 0) {  in wdm_int_callback()
305 		if (rv == -EPERM)  in wdm_int_callback()
307 		if (rv == -ENOMEM) {  in wdm_int_callback()
309 			rv = schedule_work(&desc->rxwork);  in wdm_int_callback()
310 			if (rv)  in wdm_int_callback()
316 	rv = usb_submit_urb(urb, GFP_ATOMIC);  in wdm_int_callback()
317 	if (rv)  in wdm_int_callback()
320 			__func__, rv);  in wdm_int_callback()
354 	int rv = -EMSGSIZE, r, we;  in wdm_write()  local
374 	rv = -ERESTARTSYS;  in wdm_write()
379 		rv = -ENODEV;  in wdm_write()
385 		rv = usb_translate_errors(r);  in wdm_write()
403 		rv = r;  in wdm_write()
429 	rv = usb_submit_urb(desc->command, GFP_KERNEL);  in wdm_write()
430 	if (rv < 0) {  in wdm_write()
434 		dev_err(&desc->intf->dev, "Tx URB error: %d\n", rv);  in wdm_write()
435 		rv = usb_translate_errors(rv);  in wdm_write()
452 	return rv;  in wdm_write()
462 	int rv = 0;  in service_outstanding_interrupt()  local
470 	rv = usb_submit_urb(desc->response, GFP_KERNEL);  in service_outstanding_interrupt()
472 	if (rv) {  in service_outstanding_interrupt()
474 			"usb_submit_urb failed with result %d\n", rv);  in service_outstanding_interrupt()
481 	return rv;  in service_outstanding_interrupt()
487 	int rv, cntr;  in wdm_read()  local
492 	rv = mutex_lock_interruptible(&desc->rlock); /*concurrent reads */  in wdm_read()
493 	if (rv < 0)  in wdm_read()
501 			rv = -ENODEV;  in wdm_read()
506 			rv = -ENOBUFS;  in wdm_read()
512 				rv = -EAGAIN;  in wdm_read()
515 			rv = 0;  in wdm_read()
517 			rv = wait_event_interruptible(desc->wait,  in wdm_read()
523 			rv = -ENODEV;  in wdm_read()
527 			rv = -EIO;  in wdm_read()
531 		if (rv < 0) {  in wdm_read()
532 			rv = -ERESTARTSYS;  in wdm_read()
539 			rv = usb_translate_errors(desc->rerr);  in wdm_read()
556 			rv = service_outstanding_interrupt(desc);  in wdm_read()
558 			if (rv < 0)  in wdm_read()
568 	rv = copy_to_user(buffer, desc->ubuf, cntr);  in wdm_read()
569 	if (rv > 0) {  in wdm_read()
570 		rv = -EFAULT;  in wdm_read()
586 	rv = cntr;  in wdm_read()
590 	return rv;  in wdm_read()
596 	long rv; /* Use long here because (int) MAX_SCHEDULE_TIMEOUT < 0. */  in wdm_wait_for_response()  local
602 	rv = wait_event_interruptible_timeout(desc->wait,  in wdm_wait_for_response()
613 	if (!rv)  in wdm_wait_for_response()
615 	if (rv < 0)  in wdm_wait_for_response()
619 	rv = desc->werr;  in wdm_wait_for_response()
623 	return usb_translate_errors(rv);  in wdm_wait_for_response()
676 	int rv = -ENODEV;  in wdm_open()  local
690 	rv = usb_autopm_get_interface(desc->intf);  in wdm_open()
691 	if (rv < 0) {  in wdm_open()
692 		dev_err(&desc->intf->dev, "Error autopm - %d\n", rv);  in wdm_open()
701 		rv = usb_submit_urb(desc->validity, GFP_KERNEL);  in wdm_open()
702 		if (rv < 0) {  in wdm_open()
705 				"Error submitting int urb - %d\n", rv);  in wdm_open()
706 			rv = usb_translate_errors(rv);  in wdm_open()
709 		rv = 0;  in wdm_open()
717 	return rv;  in wdm_open()
752 	int rv = 0;  in wdm_ioctl()  local
757 			rv = -EFAULT;  in wdm_ioctl()
760 		rv = -ENOTTY;  in wdm_ioctl()
762 	return rv;  in wdm_ioctl()
790 	int rv = 0;  in wdm_rxwork()  local
800 			rv = usb_submit_urb(desc->response, GFP_KERNEL);  in wdm_rxwork()
801 		if (rv < 0 && rv != -EPERM) {  in wdm_rxwork()
831 	int rv = -ENOMEM;  in wdm_create()  local
849 	rv = -EINVAL;  in wdm_create()
921 	rv = usb_register_dev(intf, &wdm_class);  in wdm_create()
922 	if (rv < 0)  in wdm_create()
927 	return rv;  in wdm_create()
933 	return rv;  in wdm_create()
939 	int rv = usb_autopm_get_interface(intf);  in wdm_manage_power()  local
942 	if (!rv)  in wdm_manage_power()
949 	int rv = -EINVAL;  in wdm_probe()  local
970 	rv = wdm_create(intf, ep, maxcom, &wdm_manage_power);  in wdm_probe()
973 	return rv;  in wdm_probe()
1001 	int rv;  in usb_cdc_wdm_register()  local
1003 	rv = wdm_create(intf, ep, bufsize, manage_power);  in usb_cdc_wdm_register()
1004 	if (rv < 0)  in usb_cdc_wdm_register()
1009 	return ERR_PTR(rv);  in usb_cdc_wdm_register()
1052 	int rv = 0;  in wdm_suspend()  local
1067 		rv = -EBUSY;  in wdm_suspend()
1082 	return rv;  in wdm_suspend()
1088 	int rv = 0;  in recover_from_urb_loss()  local
1091 		rv = usb_submit_urb(desc->validity, GFP_NOIO);  in recover_from_urb_loss()
1092 		if (rv < 0)  in recover_from_urb_loss()
1094 				"Error resume submitting int urb - %d\n", rv);  in recover_from_urb_loss()
1096 	return rv;  in recover_from_urb_loss()
1103 	int rv;  in wdm_resume()  local
1108 	rv = recover_from_urb_loss(desc);  in wdm_resume()
1110 	return rv;  in wdm_resume()
1142 	int rv;  in wdm_post_reset()  local
1146 	rv = recover_from_urb_loss(desc);  in wdm_post_reset()
1149 	return rv;  in wdm_post_reset()