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()
365 	int rv = -EMSGSIZE, r, we;  in wdm_write()  local
385 	rv = -ERESTARTSYS;  in wdm_write()
390 		rv = -ENODEV;  in wdm_write()
396 		rv = usb_translate_errors(r);  in wdm_write()
414 		rv = r;  in wdm_write()
440 	rv = usb_submit_urb(desc->command, GFP_KERNEL);  in wdm_write()
441 	if (rv < 0) {  in wdm_write()
445 		dev_err(&desc->intf->dev, "Tx URB error: %d\n", rv);  in wdm_write()
446 		rv = usb_translate_errors(rv);  in wdm_write()
463 	return rv;  in wdm_write()
473 	int rv = 0;  in service_outstanding_interrupt()  local
480 		rv = -ENODEV;  in service_outstanding_interrupt()
484 		rv = -EIO;  in service_outstanding_interrupt()
490 	rv = usb_submit_urb(desc->response, GFP_KERNEL);  in service_outstanding_interrupt()
492 	if (rv) {  in service_outstanding_interrupt()
495 				"usb_submit_urb failed with result %d\n", rv);  in service_outstanding_interrupt()
502 	return rv;  in service_outstanding_interrupt()
508 	int rv, cntr;  in wdm_read()  local
513 	rv = mutex_lock_interruptible(&desc->rlock); /*concurrent reads */  in wdm_read()
514 	if (rv < 0)  in wdm_read()
522 			rv = -ENODEV;  in wdm_read()
527 			rv = -ENOBUFS;  in wdm_read()
533 				rv = -EAGAIN;  in wdm_read()
536 			rv = 0;  in wdm_read()
538 			rv = wait_event_interruptible(desc->wait,  in wdm_read()
544 			rv = -ENODEV;  in wdm_read()
548 			rv = -EIO;  in wdm_read()
552 		if (rv < 0) {  in wdm_read()
553 			rv = -ERESTARTSYS;  in wdm_read()
560 			rv = usb_translate_errors(desc->rerr);  in wdm_read()
577 			rv = service_outstanding_interrupt(desc);  in wdm_read()
579 			if (rv < 0)  in wdm_read()
589 	rv = copy_to_user(buffer, desc->ubuf, cntr);  in wdm_read()
590 	if (rv > 0) {  in wdm_read()
591 		rv = -EFAULT;  in wdm_read()
607 	rv = cntr;  in wdm_read()
611 	return rv;  in wdm_read()
617 	long rv; /* Use long here because (int) MAX_SCHEDULE_TIMEOUT < 0. */  in wdm_wait_for_response()  local
623 	rv = wait_event_interruptible_timeout(desc->wait,  in wdm_wait_for_response()
634 	if (!rv)  in wdm_wait_for_response()
636 	if (rv < 0)  in wdm_wait_for_response()
640 	rv = desc->werr;  in wdm_wait_for_response()
644 	return usb_translate_errors(rv);  in wdm_wait_for_response()
697 	int rv = -ENODEV;  in wdm_open()  local
711 	rv = usb_autopm_get_interface(desc->intf);  in wdm_open()
712 	if (rv < 0) {  in wdm_open()
713 		dev_err(&desc->intf->dev, "Error autopm - %d\n", rv);  in wdm_open()
722 		rv = usb_submit_urb(desc->validity, GFP_KERNEL);  in wdm_open()
723 		if (rv < 0) {  in wdm_open()
726 				"Error submitting int urb - %d\n", rv);  in wdm_open()
727 			rv = usb_translate_errors(rv);  in wdm_open()
730 		rv = 0;  in wdm_open()
738 	return rv;  in wdm_open()
775 	int rv = 0;  in wdm_ioctl()  local
780 			rv = -EFAULT;  in wdm_ioctl()
783 		rv = -ENOTTY;  in wdm_ioctl()
785 	return rv;  in wdm_ioctl()
813 	int rv = 0;  in wdm_rxwork()  local
823 			rv = usb_submit_urb(desc->response, GFP_KERNEL);  in wdm_rxwork()
824 		if (rv < 0 && rv != -EPERM) {  in wdm_rxwork()
854 	int rv = -ENOMEM;  in wdm_create()  local
872 	rv = -EINVAL;  in wdm_create()
944 	rv = usb_register_dev(intf, &wdm_class);  in wdm_create()
945 	if (rv < 0)  in wdm_create()
950 	return rv;  in wdm_create()
956 	return rv;  in wdm_create()
962 	int rv = usb_autopm_get_interface(intf);  in wdm_manage_power()  local
965 	if (!rv)  in wdm_manage_power()
972 	int rv = -EINVAL;  in wdm_probe()  local
993 	rv = wdm_create(intf, ep, maxcom, &wdm_manage_power);  in wdm_probe()
996 	return rv;  in wdm_probe()
1024 	int rv;  in usb_cdc_wdm_register()  local
1026 	rv = wdm_create(intf, ep, bufsize, manage_power);  in usb_cdc_wdm_register()
1027 	if (rv < 0)  in usb_cdc_wdm_register()
1032 	return ERR_PTR(rv);  in usb_cdc_wdm_register()
1075 	int rv = 0;  in wdm_suspend()  local
1090 		rv = -EBUSY;  in wdm_suspend()
1106 	return rv;  in wdm_suspend()
1112 	int rv = 0;  in recover_from_urb_loss()  local
1115 		rv = usb_submit_urb(desc->validity, GFP_NOIO);  in recover_from_urb_loss()
1116 		if (rv < 0)  in recover_from_urb_loss()
1118 				"Error resume submitting int urb - %d\n", rv);  in recover_from_urb_loss()
1120 	return rv;  in recover_from_urb_loss()
1127 	int rv;  in wdm_resume()  local
1132 	rv = recover_from_urb_loss(desc);  in wdm_resume()
1134 	return rv;  in wdm_resume()
1166 	int rv;  in wdm_post_reset()  local
1171 	rv = recover_from_urb_loss(desc);  in wdm_post_reset()
1174 	return rv;  in wdm_post_reset()