185a883597
syscall always returns '-1' on failure and there is no point in printing that value. 'errno' is much more informative. Fixes: 586e39001317 ("vhost: export numa node") Signed-off-by: Ilya Maximets <i.maximets@samsung.com> Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>