> struct zpci_iommu_ctrs *zpci_get_iommu_ctrs(struct zpci_dev *zdev)
> {
> - if (!zdev || !zdev->s390_domain)
> + struct s390_domain *s390_domain;
> +
> + lockdep_assert_held(zdev->dom_lock);
I didn't enable lockdep when testing as the bot pointed out -- This should be &zdev->dom_lock. Will give some time for review before sending a new version that includes that fix.
