From: Zhenzhong Duan <zhenzhong.duan@intel.com>

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>
---
 include/hw/vfio/vfio-common.h | 2 +-
 hw/vfio/container.c           | 3 +--
 hw/vfio/cpr.c                 | 4 ++--
 hw/vfio/iommufd.c             | 3 +--
 4 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index e85817e65e65317d08bc2b17b738449198784796..b7bb4f5304addcdb03c971f27f99e5350ad0940a 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -229,7 +229,7 @@ void vfio_detach_device(VFIODevice *vbasedev);
 int vfio_kvm_device_add_fd(int fd, Error **errp);
 int vfio_kvm_device_del_fd(int fd, Error **errp);
 
-int vfio_cpr_register_container(VFIOContainerBase *bcontainer, Error **errp);
+bool vfio_cpr_register_container(VFIOContainerBase *bcontainer, Error **errp);
 void vfio_cpr_unregister_container(VFIOContainerBase *bcontainer);
 
 extern const MemoryRegionOps vfio_region_ops;
diff --git a/hw/vfio/container.c b/hw/vfio/container.c
index 53649e397cab94f8a2b61e6d66f21d635556e04e..096cc972586df14a4a68074b7038a9661b1558e2 100644
--- a/hw/vfio/container.c
+++ b/hw/vfio/container.c
@@ -618,8 +618,7 @@ static bool vfio_connect_container(VFIOGroup *group, AddressSpace *as,
         goto free_container_exit;
     }
 
-    ret = vfio_cpr_register_container(bcontainer, errp);
-    if (ret) {
+    if (!vfio_cpr_register_container(bcontainer, errp)) {
         goto free_container_exit;
     }
 
diff --git a/hw/vfio/cpr.c b/hw/vfio/cpr.c
index 392c2dd95d14664bade0ae74655e91bc839504c0..87e51fcee176fe1fa93349f08e9f9ca84b474729 100644
--- a/hw/vfio/cpr.c
+++ b/hw/vfio/cpr.c
@@ -25,12 +25,12 @@ static int vfio_cpr_reboot_notifier(NotifierWithReturn *notifier,
     return 0;
 }
 
-int vfio_cpr_register_container(VFIOContainerBase *bcontainer, Error **errp)
+bool vfio_cpr_register_container(VFIOContainerBase *bcontainer, Error **errp)
 {
     migration_add_notifier_mode(&bcontainer->cpr_reboot_notifier,
                                 vfio_cpr_reboot_notifier,
                                 MIG_MODE_CPR_REBOOT);
-    return 0;
+    return true;
 }
 
 void vfio_cpr_unregister_container(VFIOContainerBase *bcontainer)
diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c
index 84c86b970e756d34b202d5b18ae51c30c730e092..6a446b16dcd64838dc9ebb6150cd5ed85ec6fef3 100644
--- a/hw/vfio/iommufd.c
+++ b/hw/vfio/iommufd.c
@@ -396,8 +396,7 @@ found_container:
         goto err_listener_register;
     }
 
-    ret = vfio_cpr_register_container(bcontainer, errp);
-    if (ret) {
+    if (!vfio_cpr_register_container(bcontainer, errp)) {
         goto err_listener_register;
     }
 
-- 
2.45.1