[Qemu-devel] [PATCH] qom: do nothing on unparent of object without parent

[Paolo Bonzini <pbonzini@redhat.com>]

Otherwise, device_unparent will fail to get a canonical path of
the object.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 qom/object.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/qom/object.c b/qom/object.c
index 8818149..093502e 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -362,6 +362,10 @@ static void object_property_del_child(Object *obj, Object *child, Error **errp)
 
 void object_unparent(Object *obj)
 {
+    if (!obj->parent) {
+        return;
+    }
+
     object_ref(obj);
     if (obj->class->unparent) {
         (obj->class->unparent)(obj);
-- 
1.8.1.4