iommu/vt-d: fix bug in handling multiple RMRRs for the same PCI device

[karo-tx-linux.git] / drivers / iommu / intel-iommu.c

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 6bb32773c3ac3471ab7bf439d9191be757bacb5c..51b6b77dc3e58ce7b86d123948dff9de808106f9 100644 (file)
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3816,14 +3816,11 @@ int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info)
                                ((void *)rmrr) + rmrr->header.length,
                                rmrr->segment, rmrru->devices,
                                rmrru->devices_cnt);
-                       if (ret > 0)
-                               break;
-                       else if(ret < 0)
+                       if(ret < 0)
                                return ret;
                } else if (info->event == BUS_NOTIFY_DEL_DEVICE) {
-                       if (dmar_remove_dev_scope(info, rmrr->segment,
-                               rmrru->devices, rmrru->devices_cnt))
-                               break;
+                       dmar_remove_dev_scope(info, rmrr->segment,
+                               rmrru->devices, rmrru->devices_cnt);
                }
        }