212 	int rv = 0;  in wdm_int_callback()  local
276 		rv = usb_submit_urb(desc->response, GFP_ATOMIC);  in wdm_int_callback()
278 			__func__, rv);  in wdm_int_callback()
281 	if (rv < 0) {  in wdm_int_callback()
283 		if (rv == -EPERM)  in wdm_int_callback()
285 		if (rv == -ENOMEM) {  in wdm_int_callback()
287 			rv = schedule_work(&desc->rxwork);  in wdm_int_callback()
288 			if (rv)  in wdm_int_callback()
294 	rv = usb_submit_urb(urb, GFP_ATOMIC);  in wdm_int_callback()
295 	if (rv)  in wdm_int_callback()
298 			__func__, rv);  in wdm_int_callback()
332 	int rv = -EMSGSIZE, r, we;  in wdm_write()  local
348 		rv = -ENOMEM;  in wdm_write()
354 		rv = -EFAULT;  in wdm_write()
360 	rv = -ERESTARTSYS;  in wdm_write()
365 		rv = -ENODEV;  in wdm_write()
371 		rv = usb_translate_errors(r);  in wdm_write()
386 		rv = r;  in wdm_write()
412 	rv = usb_submit_urb(desc->command, GFP_KERNEL);  in wdm_write()
413 	if (rv < 0) {  in wdm_write()
416 		dev_err(&desc->intf->dev, "Tx URB error: %d\n", rv);  in wdm_write()
417 		rv = usb_translate_errors(rv);  in wdm_write()
427 	return rv < 0 ? rv : count;  in wdm_write()
435 	return rv;  in wdm_write()
446 	int rv = 0;  in clear_wdm_read_flag()  local
456 	rv = usb_submit_urb(desc->response, GFP_KERNEL);  in clear_wdm_read_flag()
458 	if (rv) {  in clear_wdm_read_flag()
460 			"usb_submit_urb failed with result %d\n", rv);  in clear_wdm_read_flag()
467 	return rv;  in clear_wdm_read_flag()
473 	int rv, cntr;  in wdm_read()  local
478 	rv = mutex_lock_interruptible(&desc->rlock); /*concurrent reads */  in wdm_read()
479 	if (rv < 0)  in wdm_read()
487 			rv = -ENODEV;  in wdm_read()
492 			rv = -ENOBUFS;  in wdm_read()
498 				rv = cntr ? cntr : -EAGAIN;  in wdm_read()
501 			rv = 0;  in wdm_read()
503 			rv = wait_event_interruptible(desc->wait,  in wdm_read()
509 			rv = -ENODEV;  in wdm_read()
513 			rv = -EIO;  in wdm_read()
517 		if (rv < 0) {  in wdm_read()
518 			rv = -ERESTARTSYS;  in wdm_read()
525 			rv = usb_translate_errors(desc->rerr);  in wdm_read()
541 			rv = clear_wdm_read_flag(desc);  in wdm_read()
543 			if (rv < 0)  in wdm_read()
553 	rv = copy_to_user(buffer, desc->ubuf, cntr);  in wdm_read()
554 	if (rv > 0) {  in wdm_read()
555 		rv = -EFAULT;  in wdm_read()
569 	rv = cntr;  in wdm_read()
573 	return rv;  in wdm_read()
619 	int rv = -ENODEV;  in wdm_open()  local
633 	rv = usb_autopm_get_interface(desc->intf);  in wdm_open()
634 	if (rv < 0) {  in wdm_open()
635 		dev_err(&desc->intf->dev, "Error autopm - %d\n", rv);  in wdm_open()
644 		rv = usb_submit_urb(desc->validity, GFP_KERNEL);  in wdm_open()
645 		if (rv < 0) {  in wdm_open()
648 				"Error submitting int urb - %d\n", rv);  in wdm_open()
649 			rv = usb_translate_errors(rv);  in wdm_open()
652 		rv = 0;  in wdm_open()
660 	return rv;  in wdm_open()
695 	int rv = 0;  in wdm_ioctl()  local
700 			rv = -EFAULT;  in wdm_ioctl()
703 		rv = -ENOTTY;  in wdm_ioctl()
705 	return rv;  in wdm_ioctl()
732 	int rv = 0;  in wdm_rxwork()  local
742 			rv = usb_submit_urb(desc->response, GFP_KERNEL);  in wdm_rxwork()
743 		if (rv < 0 && rv != -EPERM) {  in wdm_rxwork()
758 	int rv = -ENOMEM;  in wdm_create()  local
775 	rv = -EINVAL;  in wdm_create()
847 	rv = usb_register_dev(intf, &wdm_class);  in wdm_create()
848 	if (rv < 0)  in wdm_create()
853 	return rv;  in wdm_create()
859 	return rv;  in wdm_create()
865 	int rv = usb_autopm_get_interface(intf);  in wdm_manage_power()  local
868 	if (!rv)  in wdm_manage_power()
875 	int rv = -EINVAL;  in wdm_probe()  local
916 	rv = wdm_create(intf, ep, maxcom, &wdm_manage_power);  in wdm_probe()
919 	return rv;  in wdm_probe()
946 	int rv = -EINVAL;  in usb_cdc_wdm_register()  local
948 	rv = wdm_create(intf, ep, bufsize, manage_power);  in usb_cdc_wdm_register()
949 	if (rv < 0)  in usb_cdc_wdm_register()
954 	return ERR_PTR(rv);  in usb_cdc_wdm_register()
998 	int rv = 0;  in wdm_suspend()  local
1013 		rv = -EBUSY;  in wdm_suspend()
1027 	return rv;  in wdm_suspend()
1033 	int rv = 0;  in recover_from_urb_loss()  local
1036 		rv = usb_submit_urb(desc->validity, GFP_NOIO);  in recover_from_urb_loss()
1037 		if (rv < 0)  in recover_from_urb_loss()
1039 				"Error resume submitting int urb - %d\n", rv);  in recover_from_urb_loss()
1041 	return rv;  in recover_from_urb_loss()
1048 	int rv;  in wdm_resume()  local
1053 	rv = recover_from_urb_loss(desc);  in wdm_resume()
1055 	return rv;  in wdm_resume()
1086 	int rv;  in wdm_post_reset()  local
1090 	rv = recover_from_urb_loss(desc);  in wdm_post_reset()