[PATCH 1/9] qom/object.c: introduce object_alias_get_targetp() lookup function

[Mark Cave-Ayland]

This will be used later to add support for alias class properties.

Signed-off-by: Mark Cave-Ayland <mark.caveayl...@nutanix.com>
---
 qom/object.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/qom/object.c b/qom/object.c
index f79b2cf361..da4db3e0c7 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -2906,13 +2906,20 @@ typedef struct {
     char *target_name;
 } AliasProperty;
 
+static Object **
+object_alias_get_targetp(Object *obj, AliasProperty *lprop)
+{
+    return &lprop->target_obj;
+}
+
 static void property_get_alias(Object *obj, Visitor *v, const char *name,
                                void *opaque, Error **errp)
 {
     AliasProperty *prop = opaque;
+    Object **target_obj = object_alias_get_targetp(obj, prop);
     Visitor *alias_v = visitor_forward_field(v, prop->target_name, name);
 
-    object_property_get(prop->target_obj, prop->target_name, alias_v, errp);
+    object_property_get(*target_obj, prop->target_name, alias_v, errp);
     visit_free(alias_v);
 }
 
@@ -2920,9 +2927,10 @@ static void property_set_alias(Object *obj, Visitor *v, 
const char *name,
                                void *opaque, Error **errp)
 {
     AliasProperty *prop = opaque;
+    Object **target_obj = object_alias_get_targetp(obj, prop);
     Visitor *alias_v = visitor_forward_field(v, prop->target_name, name);
 
-    object_property_set(prop->target_obj, prop->target_name, alias_v, errp);
+    object_property_set(*target_obj, prop->target_name, alias_v, errp);
     visit_free(alias_v);
 }
 
@@ -2930,8 +2938,9 @@ static Object *property_resolve_alias(Object *obj, void 
*opaque,
                                       const char *part)
 {
     AliasProperty *prop = opaque;
+    Object **target_obj = object_alias_get_targetp(obj, prop);
 
-    return object_resolve_path_component(prop->target_obj, prop->target_name);
+    return object_resolve_path_component(*target_obj, prop->target_name);
 }
 
 static void property_release_alias(Object *obj, const char *name, void *opaque)
-- 
2.43.0