dm vdo slab-depot: validate old zone count on load

Verify the old zone count has a valid value before using
it to compute slab summary entry offsets.

Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
This commit is contained in:
Matthew Sakai 2026-02-11 10:05:55 -05:00 • committed by Mikulas Patocka
commit b3929b2cc2