validate blobmsg attributes before converting them to json

diff --git a/blobmsg_json.c b/blobmsg_json.c
index 8195763936a03d8f182127cf5f05a2c4b12d4db0..6a6014b1f9837dd8537b4d845b4b8bf768859cd8 100644 (file)
--- a/blobmsg_json.c
+++ b/blobmsg_json.c
@@ -180,6 +180,9 @@ static void blobmsg_format_element(struct strbuf *s, struct blob_attr *attr, boo
        void *data;
        int len;
 
+       if (!blobmsg_check_attr(attr, false))
+               return;
+
        if (!array && blobmsg_name(attr)[0]) {
                blobmsg_format_string(s, blobmsg_name(attr));
                blobmsg_puts(s, ":", 1);