From f01871bc3083c777bc081358dce4d0ed0f2b464c Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 31 Jan 2011 16:24:11 +0100
Subject: [PATCH] fix off-by-one in the string validation check

---
 blob.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/blob.c b/blob.c
index 26a23f3..003192e 100644
--- a/blob.c
+++ b/blob.c
@@ -147,7 +147,7 @@ blob_check_type(const void *ptr, int len, int type)
 			return false;
 	}
 
-	if (type == BLOB_ATTR_STRING && data[len] != 0)
+	if (type == BLOB_ATTR_STRING && data[len - 1] != 0)
 		return false;
 
 	return true;