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qobject: Modify qobject_ref() to return obj

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For convenience and clarity, make it possible to call qobject_ref() at
the time when the reference is associated with a variable, or
argument, by making qobject_ref() return the same pointer as given.
Use that to simplify the callers.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180419150145.24795-5-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Useless change to qobject_ref_impl() dropped, commit message improved
slightly]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Marc-André Lureau 2018-04-19 17:01:44 +02:00 • committed by Markus Armbruster
parent cb3e7f08ae
commit f5a74a5a50
12 changed files with 47 additions and 64 deletions
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6
qapi/qobject-input-visitor.c
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@ -588,8 +588,7 @@ static void qobject_input_type_any(Visitor *v, const char *name, QObject **obj,
return;
}
qobject_ref(qobj);
*obj = qobj;
*obj = qobject_ref(qobj);
}
static void qobject_input_type_null(Visitor *v, const char *name,
@ -677,8 +676,7 @@ static QObjectInputVisitor *qobject_input_visitor_base_new(QObject *obj)
v->visitor.optional = qobject_input_optional;
v->visitor.free = qobject_input_free;
v->root = obj;
qobject_ref(obj);
v->root = qobject_ref(obj);
return v;
}