548 	va_list ap;  in xenbus_scanf()  local
556 	va_start(ap, fmt);  in xenbus_scanf()
557 	ret = vsscanf(val, fmt, ap);  in xenbus_scanf()
558 	va_end(ap);  in xenbus_scanf()
571 	va_list ap;  in xenbus_printf()  local
575 	va_start(ap, fmt);  in xenbus_printf()
576 	buf = kvasprintf(GFP_NOIO | __GFP_HIGH, fmt, ap);  in xenbus_printf()
577 	va_end(ap);  in xenbus_printf()
593 	va_list ap;  in xenbus_gather()  local
597 	va_start(ap, dir);  in xenbus_gather()
598 	while (ret == 0 && (name = va_arg(ap, char *)) != NULL) {  in xenbus_gather()
599 		const char *fmt = va_arg(ap, char *);  in xenbus_gather()
600 		void *result = va_arg(ap, void *);  in xenbus_gather()
615 	va_end(ap);  in xenbus_gather()