diff options
| -rw-r--r-- | drivers/vfio/vfio_iommu_type1.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index d0c5e768acb7..a68405f24fbf 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -1296,15 +1296,13 @@ static struct vfio_group *find_iommu_group(struct vfio_domain *domain, return NULL; } -static bool vfio_iommu_has_sw_msi(struct iommu_group *group, phys_addr_t *base) +static bool vfio_iommu_has_sw_msi(struct list_head *group_resv_regions, + phys_addr_t *base) { - struct list_head group_resv_regions; - struct iommu_resv_region *region, *next; + struct iommu_resv_region *region; bool ret = false; - INIT_LIST_HEAD(&group_resv_regions); - iommu_get_group_resv_regions(group, &group_resv_regions); - list_for_each_entry(region, &group_resv_regions, list) { + list_for_each_entry(region, group_resv_regions, list) { /* * The presence of any 'real' MSI regions should take * precedence over the software-managed one if the @@ -1320,8 +1318,7 @@ static bool vfio_iommu_has_sw_msi(struct iommu_group *group, phys_addr_t *base) ret = true; } } - list_for_each_entry_safe(region, next, &group_resv_regions, list) - kfree(region); + return ret; } @@ -1768,7 +1765,7 @@ static int vfio_iommu_type1_attach_group(void *iommu_data, if (ret) goto out_detach; - resv_msi = vfio_iommu_has_sw_msi(iommu_group, &resv_msi_base); + resv_msi = vfio_iommu_has_sw_msi(&group_resv_regions, &resv_msi_base); INIT_LIST_HEAD(&domain->group_list); list_add(&group->next, &domain->group_list); |