memory: convert memory_region_destroy to object_unparent

Explicitly call object_unparent in the few places where we
will re-create the memory region.  If the memory region is
simply being destroyed as part of device teardown, let QOM
handle it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

2 files changed, 3 insertions, 3 deletions

diff --git a/hw/misc/omap_gpmc.c b/hw/misc/omap_gpmc.c
index cddea24..fbbe2ff 100644
--- a/hw/misc/omap_gpmc.c
+++ b/hw/misc/omap_gpmc.c
@@ -436,7 +436,7 @@ static void omap_gpmc_cs_unmap(struct omap_gpmc_s *s, int cs)
     }
     memory_region_del_subregion(get_system_memory(), &f->container);
     memory_region_del_subregion(&f->container, omap_gpmc_cs_memregion(s, cs));
-    memory_region_destroy(&f->container);
+    object_unparent(OBJECT(&f->container));
 }
 
 void omap_gpmc_reset(struct omap_gpmc_s *s)
diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c
index 0b9eba0..af9ae1f 100644
--- a/hw/misc/vfio.c
+++ b/hw/misc/vfio.c
@@ -2266,7 +2266,7 @@ static void vfio_vga_quirk_teardown(VFIODevice *vdev)
         while (!QLIST_EMPTY(&vdev->vga.region[i].quirks)) {
             VFIOQuirk *quirk = QLIST_FIRST(&vdev->vga.region[i].quirks);
             memory_region_del_subregion(&vdev->vga.region[i].mem, &quirk->mem);
-            memory_region_destroy(&quirk->mem);
+            object_unparent(OBJECT(&quirk->mem));
             QLIST_REMOVE(quirk, next);
             g_free(quirk);
         }
@@ -2290,7 +2290,7 @@ static void vfio_bar_quirk_teardown(VFIODevice *vdev, int nr)
     while (!QLIST_EMPTY(&bar->quirks)) {
         VFIOQuirk *quirk = QLIST_FIRST(&bar->quirks);
         memory_region_del_subregion(&bar->mem, &quirk->mem);
-        memory_region_destroy(&quirk->mem);
+        object_unparent(OBJECT(&quirk->mem));
         QLIST_REMOVE(quirk, next);
         g_free(quirk);
     }