From 777d57dbfb8cfed73331135c88f6754c1c6b4dfc Mon Sep 17 00:00:00 2001
From: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Date: Fri, 18 Nov 2016 17:47:06 -0200
Subject: [PATCH] iot/zoap: Fix decoding of 16-bit delta

When an option code or length representation is encoded in a 16-bit
value, the access was wrong.

Coverity-CID: 151963

Change-Id: Ie7741998cbde348ccf490a6686e68a1ace99920e
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
---
 lib/iot/zoap/zoap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/iot/zoap/zoap.c b/lib/iot/zoap/zoap.c
index 2e2d90d9e5f..9b8990655c9 100644
--- a/lib/iot/zoap/zoap.c
+++ b/lib/iot/zoap/zoap.c
@@ -78,7 +78,7 @@ static int decode_delta(int num, const uint8_t *buf, int16_t buflen,
 			return -EINVAL;
 		}
 
-		num = sys_be16_to_cpu((uint16_t)*buf) + 269;
+		num = sys_get_be16(buf) + 269;
 		hdrlen += 2;
 		break;
 	case 15: