
All swap device option sets "have" a label, it's just that sometimes it's undefined. Because we set a `device` attribute when we have a label anyway it's ok to just check device prefix. Fixes #18891.
All swap device option sets "have" a label, it's just that sometimes it's undefined. Because we set a `device` attribute when we have a label anyway it's ok to just check device prefix. Fixes #18891.