From: Jo-Philipp Wich <jo@mein.io>
Date: Thu, 26 Jul 2018 12:26:37 +0000 (+0200)
Subject: ubus: avoid dumping interface state with NULL message
X-Git-Url: https://git.librecmc.org/?p=oweals%2Fodhcpd.git;a=commitdiff_plain;h=44cce3169a961727b1f046b786e7995ffb26a957

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 973ae5a..5be6bbe 100644
--- 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);
 	}