From: David Bauer <mail@david-bauer.net>
Date: Sun, 6 Feb 2022 22:44:30 +0000 (+0100)
Subject: local-node: check correct field
X-Git-Url: http://git.openwrt.org/?a=commitdiff_plain;h=6aebb75cec17ced49bd8a5ea0d187349a5761644;p=project%2Fusteer.git

local-node: check correct field

This causes segfaults on OpenWrt 21.02 which is missing the op-class
field.

Reported-by: John Crispin <john@phrozen.org>
Signed-off-by: David Bauer <mail@david-bauer.net>
---

diff --git a/local_node.c b/local_node.c
index 9f4a2df..03d824e 100644
--- a/local_node.c
+++ b/local_node.c
@@ -476,7 +476,7 @@ usteer_local_node_status_cb(struct ubus_request *req, int type, struct blob_attr
 		node->freq = blobmsg_get_u32(tb[MSG_FREQ]);
 	if (tb[MSG_CHANNEL])
 		node->channel = blobmsg_get_u32(tb[MSG_CHANNEL]);
-	if (tb[MSG_FREQ])
+	if (tb[MSG_OP_CLASS])
 		node->op_class = blobmsg_get_u32(tb[MSG_OP_CLASS]);	
 }