fix #29902604

commit 29b8e84fbc23cb2b70317b745641ea0569426872 upstream

Simplifies the code a little.
Acked-by: NAristeu Rozanski <aris@redhat.com>
Signed-off-by: NTony Luck <tony.luck@intel.com>
Reviewed-by: NArtie Ding <artie.ding@linux.alibaba.com>