commit d3a429b1eaa7269f55de2127116cb68a6661b086
author Simon Lin <simonlin@google.com> Wed Jul 08 02:11:17 2020 +0800
committer GitHub <noreply@github.com> Tue Jul 07 11:11:17 2020 -0700
tree 0dc53380851ee53f3e6fb2c8334d9e6d097b48f3
parent f490ea658c82bc37c732310384a76c83fccdf387

[mle] fix invalid router after ProcessRouteTlv (#5200)

We always need to update existing router references after calling
ProcessRouteTlv.

src/core/thread/mle_router.cpp

diff --git a/src/core/thread/mle_router.cpp b/src/core/thread/mle_router.cpp
index 4df5a08..4e70eb2 100644
--- a/src/core/thread/mle_router.cpp
+++ b/src/core/thread/mle_router.cpp
@@ -972,6 +972,9 @@
             VerifyOrExit(route.IsValid(), error = OT_ERROR_PARSE);
             SuccessOrExit(error = ProcessRouteTlv(route));
             UpdateRoutes(route, routerId);
+            // need to update router after ProcessRouteTlv
+            router = mRouterTable.GetRouter(routerId);
+            OT_ASSERT(router != nullptr);
         }
 
         // update routing table