249 	int rv = 0;  in wdm_int_callback()  local
313 		rv = usb_submit_urb(desc->response, GFP_ATOMIC);  in wdm_int_callback()
314 		dev_dbg(&desc->intf->dev, "submit response URB %d\n", rv);  in wdm_int_callback()
317 	if (rv < 0) {  in wdm_int_callback()
319 		if (rv == -EPERM)  in wdm_int_callback()
321 		if (rv == -ENOMEM) {  in wdm_int_callback()
323 			rv = schedule_work(&desc->rxwork);  in wdm_int_callback()
324 			if (rv)  in wdm_int_callback()
330 	rv = usb_submit_urb(urb, GFP_ATOMIC);  in wdm_int_callback()
331 	if (rv)  in wdm_int_callback()
334 			__func__, rv);  in wdm_int_callback()
379 	int rv = -EMSGSIZE, r, we;  in wdm_write()  local
399 	rv = -ERESTARTSYS;  in wdm_write()
404 		rv = -ENODEV;  in wdm_write()
410 		rv = usb_translate_errors(r);  in wdm_write()
428 		rv = r;  in wdm_write()
454 	rv = usb_submit_urb(desc->command, GFP_KERNEL);  in wdm_write()
455 	if (rv < 0) {  in wdm_write()
459 		dev_err(&desc->intf->dev, "Tx URB error: %d\n", rv);  in wdm_write()
460 		rv = usb_translate_errors(rv);  in wdm_write()
477 	return rv;  in wdm_write()
487 	int rv = 0;  in service_outstanding_interrupt()  local
494 		rv = -ENODEV;  in service_outstanding_interrupt()
498 		rv = -EIO;  in service_outstanding_interrupt()
504 	rv = usb_submit_urb(desc->response, GFP_KERNEL);  in service_outstanding_interrupt()
506 	if (rv) {  in service_outstanding_interrupt()
509 				"usb_submit_urb failed with result %d\n", rv);  in service_outstanding_interrupt()
516 	return rv;  in service_outstanding_interrupt()
522 	int rv, cntr;  in wdm_read()  local
527 	rv = mutex_lock_interruptible(&desc->rlock); /*concurrent reads */  in wdm_read()
528 	if (rv < 0)  in wdm_read()
536 			rv = -ENODEV;  in wdm_read()
541 			rv = -ENOBUFS;  in wdm_read()
547 				rv = -EAGAIN;  in wdm_read()
550 			rv = 0;  in wdm_read()
552 			rv = wait_event_interruptible(desc->wait,  in wdm_read()
558 			rv = -ENODEV;  in wdm_read()
562 			rv = -EIO;  in wdm_read()
566 		if (rv < 0) {  in wdm_read()
567 			rv = -ERESTARTSYS;  in wdm_read()
574 			rv = usb_translate_errors(desc->rerr);  in wdm_read()
591 			rv = service_outstanding_interrupt(desc);  in wdm_read()
593 			if (rv < 0)  in wdm_read()
603 	rv = copy_to_user(buffer, desc->ubuf, cntr);  in wdm_read()
604 	if (rv > 0) {  in wdm_read()
605 		rv = -EFAULT;  in wdm_read()
621 	rv = cntr;  in wdm_read()
625 	return rv;  in wdm_read()
631 	long rv; /* Use long here because (int) MAX_SCHEDULE_TIMEOUT < 0. */  in wdm_wait_for_response()  local
637 	rv = wait_event_interruptible_timeout(desc->wait,  in wdm_wait_for_response()
648 	if (!rv)  in wdm_wait_for_response()
650 	if (rv < 0)  in wdm_wait_for_response()
654 	rv = desc->werr;  in wdm_wait_for_response()
658 	return usb_translate_errors(rv);  in wdm_wait_for_response()
711 	int rv = -ENODEV;  in wdm_open()  local
726 		rv = -EBUSY;  in wdm_open()
730 	rv = usb_autopm_get_interface(desc->intf);  in wdm_open()
731 	if (rv < 0) {  in wdm_open()
732 		dev_err(&desc->intf->dev, "Error autopm - %d\n", rv);  in wdm_open()
741 		rv = usb_submit_urb(desc->validity, GFP_KERNEL);  in wdm_open()
742 		if (rv < 0) {  in wdm_open()
745 				"Error submitting int urb - %d\n", rv);  in wdm_open()
746 			rv = usb_translate_errors(rv);  in wdm_open()
749 		rv = 0;  in wdm_open()
757 	return rv;  in wdm_open()
794 	int rv = 0;  in wdm_ioctl()  local
799 			rv = -EFAULT;  in wdm_ioctl()
802 		rv = -ENOTTY;  in wdm_ioctl()
804 	return rv;  in wdm_ioctl()
881 	int rv;  in wdm_wwan_port_tx()  local
883 	rv = usb_autopm_get_interface(intf);  in wdm_wwan_port_tx()
884 	if (rv)  in wdm_wwan_port_tx()
885 		return rv;  in wdm_wwan_port_tx()
906 	rv = usb_submit_urb(desc->command, GFP_KERNEL);  in wdm_wwan_port_tx()
907 	if (rv)  in wdm_wwan_port_tx()
912 	return rv;  in wdm_wwan_port_tx()
979 	int rv = 0;  in wdm_rxwork()  local
989 			rv = usb_submit_urb(desc->response, GFP_KERNEL);  in wdm_rxwork()
990 		if (rv < 0 && rv != -EPERM) {  in wdm_rxwork()
1021 	int rv = -ENOMEM;  in wdm_create()  local
1041 		rv = -EINVAL;  in wdm_create()
1113 	rv = usb_register_dev(intf, &wdm_class);  in wdm_create()
1114 	if (rv < 0)  in wdm_create()
1122 	return rv;  in wdm_create()
1128 	return rv;  in wdm_create()
1134 	int rv = usb_autopm_get_interface(intf);  in wdm_manage_power()  local
1137 	if (!rv)  in wdm_manage_power()
1144 	int rv = -EINVAL;  in wdm_probe()  local
1165 	rv = wdm_create(intf, ep, maxcom, WWAN_PORT_UNKNOWN, &wdm_manage_power);  in wdm_probe()
1168 	return rv;  in wdm_probe()
1197 	int rv;  in usb_cdc_wdm_register()  local
1199 	rv = wdm_create(intf, ep, bufsize, type, manage_power);  in usb_cdc_wdm_register()
1200 	if (rv < 0)  in usb_cdc_wdm_register()
1205 	return ERR_PTR(rv);  in usb_cdc_wdm_register()
1250 	int rv = 0;  in wdm_suspend()  local
1265 		rv = -EBUSY;  in wdm_suspend()
1281 	return rv;  in wdm_suspend()
1287 	int rv = 0;  in recover_from_urb_loss()  local
1290 		rv = usb_submit_urb(desc->validity, GFP_NOIO);  in recover_from_urb_loss()
1291 		if (rv < 0)  in recover_from_urb_loss()
1293 				"Error resume submitting int urb - %d\n", rv);  in recover_from_urb_loss()
1295 	return rv;  in recover_from_urb_loss()
1302 	int rv;  in wdm_resume()  local
1307 	rv = recover_from_urb_loss(desc);  in wdm_resume()
1309 	return rv;  in wdm_resume()
1341 	int rv;  in wdm_post_reset()  local
1346 	rv = recover_from_urb_loss(desc);  in wdm_post_reset()
1349 	return rv;  in wdm_post_reset()