vir-qemu-sev-validate: Use string() method in xpath

For the xpath "/domain/cpu/@mode", it will return a list type not a
string. Use string() method in the xpath for the string result.

Fixes: 6b95437c17

Signed-off-by: Han Han <hhan@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Han Han 2023-12-04 18:07:20 +08:00 committed by Michal Privoznik
parent fa14b4a1a6
commit 6beeca77be

View File

@ -1054,7 +1054,7 @@ class LibvirtConfidentialVM(ConfidentialVM):
raise InsecureUsageException(
"Using CPU SKU from capabilities is not secure")
mode = doc.xpath("/domain/cpu/@mode")
mode = doc.xpath("string(/domain/cpu/@mode)")
if mode != "host-passthrough":
raise UnsupportedUsageException(
"Using CPU family/model/stepping from host not possible unless 'host-passthrough' is used")