From 11f326068c821bf7d7d8f2bacbc75693cb9dc548 Mon Sep 17 00:00:00 2001
From: rongli <rongli@nestlabs.com>
Date: Tue, 20 Mar 2018 23:55:41 +0800
Subject: [PATCH] [ncp] decode PROP_IPV6_ML_PREFIX property as [6C] (#2625)

---
 src/ncp/ncp_base_mtd.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/ncp/ncp_base_mtd.cpp b/src/ncp/ncp_base_mtd.cpp
index 6c372b04c..a2ae4c127 100644
--- a/src/ncp/ncp_base_mtd.cpp
+++ b/src/ncp/ncp_base_mtd.cpp
@@ -1032,11 +1032,11 @@ otError NcpBase::SetPropertyHandler_IPV6_ML_PREFIX(void)
 {
     otError error = OT_ERROR_NONE;
     const uint8_t *meshLocalPrefix;
-    uint16_t prefixLength;
+    uint8_t prefixLength;
 
-    SuccessOrExit(error = mDecoder.ReadData(meshLocalPrefix, prefixLength));
-
-    VerifyOrExit(prefixLength >= 8, error = OT_ERROR_PARSE);
+    SuccessOrExit(error = mDecoder.ReadIp6Address(meshLocalPrefix));
+    SuccessOrExit(error = mDecoder.ReadUint8(prefixLength));
+    VerifyOrExit(prefixLength == 64, error = OT_ERROR_INVALID_ARGS);
 
     error = otThreadSetMeshLocalPrefix(mInstance, meshLocalPrefix);