From 81839e259a5de56b6eaa487e53eda1ac29ab1c59 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 7 Feb 2011 17:47:02 +0100
Subject: [PATCH] validate blobmsg attributes before converting them to json

---
 blobmsg_json.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/blobmsg_json.c b/blobmsg_json.c
index 8195763..6a6014b 100644
--- 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);