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>

1 files changed, 1 insertions, 1 deletions

diff --git a/hw/display/vga.c b/hw/display/vga.c
index 68cfee222a..65dab8dbed 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -176,7 +176,7 @@ static void vga_update_memory_access(VGACommonState *s)
 
     if (s->has_chain4_alias) {
         memory_region_del_subregion(s->legacy_address_space, &s->chain4_alias);
-        memory_region_destroy(&s->chain4_alias);
+        object_unparent(OBJECT(&s->chain4_alias));
         s->has_chain4_alias = false;
         s->plane_updated = 0xf;
     }