vfio: Make VFIOIOMMUClass::add_window() and its wrapper return bool

Make VFIOIOMMUClass::add_window() and its wrapper function
vfio_container_add_section_window() 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>

1 files changed, 4 insertions, 4 deletions

diff --git a/hw/vfio/container-base.c b/hw/vfio/container-base.c
index 26f4bb464a..760d9d0622 100644
--- a/hw/vfio/container-base.c
+++ b/hw/vfio/container-base.c
@@ -31,12 +31,12 @@ int vfio_container_dma_unmap(VFIOContainerBase *bcontainer,
     return bcontainer->ops->dma_unmap(bcontainer, iova, size, iotlb);
 }
 
-int vfio_container_add_section_window(VFIOContainerBase *bcontainer,
-                                      MemoryRegionSection *section,
-                                      Error **errp)
+bool vfio_container_add_section_window(VFIOContainerBase *bcontainer,
+                                       MemoryRegionSection *section,
+                                       Error **errp)
 {
     if (!bcontainer->ops->add_window) {
-        return 0;
+        return true;
     }
 
     return bcontainer->ops->add_window(bcontainer, section, errp);