ubus: avoid dumping interface state with NULL message

Invoking ubus methods with NULL message is not supported anymore, so
make sure that network.interface/dump is called with an empty blob buffer
argument.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

diff --git a/src/ubus.c b/src/ubus.c
index 973ae5a8b19ed23c30a582f6921afc27ed112ca9..5be6bbef41f60e44ab75ec9bfaf39e1637e43978 100644 (file)
--- a/src/ubus.c
+++ b/src/ubus.c
@@ -225,7 +225,9 @@ static void update_netifd(bool subscribe)
                ubus_subscribe(ubus, &netifd, objid);
 
        ubus_abort_request(ubus, &req_dump);
-       if (!ubus_invoke_async(ubus, objid, "dump", NULL, &req_dump)) {
+       blob_buf_init(&b, 0);
+
+       if (!ubus_invoke_async(ubus, objid, "dump", b.head, &req_dump)) {
                req_dump.data_cb = handle_dump;
                ubus_complete_request_async(ubus, &req_dump);
        }