qom: Remove unused errp parameter from can_be_deleted()

The errp argument is ignored by all implementations of the
method, and user_creatable_del() would break if any
implementation set an error (because it calls error_setg(errp) if
the function returns false).  Remove the unused parameter.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20170829220337.23427-1-ehabkost@redhat.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c
index ff27e0669e..3bb8959f09 100644
--- a/qom/object_interfaces.c
+++ b/qom/object_interfaces.c
@@ -23,13 +23,13 @@ void user_creatable_complete(Object *obj, Error **errp)
     }
 }
 
-bool user_creatable_can_be_deleted(UserCreatable *uc, Error **errp)
+bool user_creatable_can_be_deleted(UserCreatable *uc)
 {
 
     UserCreatableClass *ucc = USER_CREATABLE_GET_CLASS(uc);
 
     if (ucc->can_be_deleted) {
-        return ucc->can_be_deleted(uc, errp);
+        return ucc->can_be_deleted(uc);
     } else {
         return true;
     }
@@ -178,7 +178,7 @@ void user_creatable_del(const char *id, Error **errp)
         return;
     }
 
-    if (!user_creatable_can_be_deleted(USER_CREATABLE(obj), errp)) {
+    if (!user_creatable_can_be_deleted(USER_CREATABLE(obj))) {
         error_setg(errp, "object '%s' is in use, can not be deleted", id);
         return;
     }