- blobmsg_add_json_from_string(&b, output);
- output = blobmsg_format_json_indent(b.head, 1, 0);
+ if (!blobmsg_add_json_from_string(&b, output))
+ goto out;
+ if (!(blobmsg_output = blobmsg_format_json_indent(b.head, 1, 0)))
+ goto out;
+ output = blobmsg_output;