ubus: handle attribute access after NULL check in parse_subnets()

[project/firewall3.git] / ubus.c

diff --git a/ubus.c b/ubus.c
index 8e5e60e..0d83e0f 100644 (file)
--- a/ubus.c
+++ b/ubus.c
@@ -114,7 +114,9 @@ parse_subnets(struct list_head *head, enum fw3_family family,
        if (!list)
                return;
 
-       blob_for_each_attr(cur, list, rem)
+       rem = blobmsg_data_len(list);
+
+       __blob_for_each_attr(cur, blobmsg_data(list), rem)
        {
                addr = parse_subnet(family, blobmsg_data(cur), blobmsg_data_len(cur));