vfio: Make VFIOIOMMUClass::setup() return bool

This is to follow the coding standand to return bool if 'Error **'
is used to pass error.

Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>

2 files changed, 10 insertions, 12 deletions

diff --git a/hw/vfio/container.c b/hw/vfio/container.c
index e7c4167..f2e9560 100644
--- a/hw/vfio/container.c
+++ b/hw/vfio/container.c
@@ -507,7 +507,7 @@ static void vfio_get_iommu_info_migration(VFIOContainer *container,
     }
 }
 
-static int vfio_legacy_setup(VFIOContainerBase *bcontainer, Error **errp)
+static bool vfio_legacy_setup(VFIOContainerBase *bcontainer, Error **errp)
 {
     VFIOContainer *container = container_of(bcontainer, VFIOContainer,
                                             bcontainer);
@@ -517,7 +517,7 @@ static int vfio_legacy_setup(VFIOContainerBase *bcontainer, Error **errp)
     ret = vfio_get_iommu_info(container, &info);
     if (ret) {
         error_setg_errno(errp, -ret, "Failed to get VFIO IOMMU info");
-        return ret;
+        return false;
     }
 
     if (info->flags & VFIO_IOMMU_INFO_PGSIZES) {
@@ -533,7 +533,7 @@ static int vfio_legacy_setup(VFIOContainerBase *bcontainer, Error **errp)
     vfio_get_info_iova_range(info, bcontainer);
 
     vfio_get_iommu_info_migration(container, info);
-    return 0;
+    return true;
 }
 
 static int vfio_connect_container(VFIOGroup *group, AddressSpace *as,
@@ -635,8 +635,8 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as,
 
     assert(bcontainer->ops->setup);
 
-    ret = bcontainer->ops->setup(bcontainer, errp);
-    if (ret) {
+    if (!bcontainer->ops->setup(bcontainer, errp)) {
+        ret = -EINVAL;
         goto enable_discards_exit;
     }
 
diff --git a/hw/vfio/spapr.c b/hw/vfio/spapr.c
index 0d949bb..148b257 100644
--- a/hw/vfio/spapr.c
+++ b/hw/vfio/spapr.c
@@ -458,8 +458,8 @@ static void vfio_spapr_container_release(VFIOContainerBase *bcontainer)
     }
 }
 
-static int vfio_spapr_container_setup(VFIOContainerBase *bcontainer,
-                                      Error **errp)
+static bool vfio_spapr_container_setup(VFIOContainerBase *bcontainer,
+                                       Error **errp)
 {
     VFIOContainer *container = container_of(bcontainer, VFIOContainer,
                                             bcontainer);
@@ -480,7 +480,7 @@ static int vfio_spapr_container_setup(VFIOContainerBase *bcontainer,
         ret = ioctl(fd, VFIO_IOMMU_ENABLE);
         if (ret) {
             error_setg_errno(errp, errno, "failed to enable container");
-            return -errno;
+            return false;
         }
     } else {
         scontainer->prereg_listener = vfio_prereg_listener;
@@ -488,7 +488,6 @@ static int vfio_spapr_container_setup(VFIOContainerBase *bcontainer,
         memory_listener_register(&scontainer->prereg_listener,
                                  &address_space_memory);
         if (bcontainer->error) {
-            ret = -1;
             error_propagate_prepend(errp, bcontainer->error,
                     "RAM memory listener initialization failed: ");
             goto listener_unregister_exit;
@@ -500,7 +499,6 @@ static int vfio_spapr_container_setup(VFIOContainerBase *bcontainer,
     if (ret) {
         error_setg_errno(errp, errno,
                          "VFIO_IOMMU_SPAPR_TCE_GET_INFO failed");
-        ret = -errno;
         goto listener_unregister_exit;
     }
 
@@ -527,13 +525,13 @@ static int vfio_spapr_container_setup(VFIOContainerBase *bcontainer,
                           0x1000);
     }
 
-    return 0;
+    return true;
 
 listener_unregister_exit:
     if (v2) {
         memory_listener_unregister(&scontainer->prereg_listener);
     }
-    return ret;
+    return false;
 }
 
 static void vfio_iommu_spapr_class_init(ObjectClass *klass, void *data)