list_splice_tail(iova_copy, iova);
}
+
static int vfio_iommu_type1_attach_group(void *iommu_data,
struct iommu_group *iommu_group)
{
mutex_lock(&iommu->lock);
- list_for_each_entry(d, &iommu->domain_list, next) {
- if (find_iommu_group(d, iommu_group)) {
- mutex_unlock(&iommu->lock);
- return -EINVAL;
- }
- }
-
- if (iommu->external_domain) {
- if (find_iommu_group(iommu->external_domain, iommu_group)) {
- mutex_unlock(&iommu->lock);
- return -EINVAL;
- }
+ /* Check for duplicates */
+ if (vfio_iommu_find_iommu_group(iommu, iommu_group)) {
+ mutex_unlock(&iommu->lock);
+ return -EINVAL;
}
group = kzalloc(sizeof(*group), GFP_KERNEL);