From 15bc0c6daa4c0dc75328d4215b2b6ee7e8081885 Mon Sep 17 00:00:00 2001
From: Laurent Deru <laurent.deru@cetic.be>
Date: Wed, 30 Sep 2015 15:23:34 +0200
Subject: [PATCH] Update rank of parent when it has changed DODAG

---
 core/net/rpl/rpl-dag.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/net/rpl/rpl-dag.c b/core/net/rpl/rpl-dag.c
index dc6393e6c..9b6c92e3f 100644
--- a/core/net/rpl/rpl-dag.c
+++ b/core/net/rpl/rpl-dag.c
@@ -1060,6 +1060,7 @@ rpl_add_dag(uip_ipaddr_t *from, rpl_dio_t *dio)
       rpl_move_parent(previous_dag, dag, p);
     }
   }
+  p->rank = dio->rank;
 
   /* Determine the objective function by using the
      objective code point of the DIO. */
@@ -1374,10 +1375,9 @@ rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
       if(dag->joined) {
         instance->dio_counter++;
       }
-    } else {
-      p->rank=dio->rank;
     }
   }
+  p->rank = dio->rank;
 
   /* Parent info has been updated, trigger rank recalculation */
   p->flags |= RPL_PARENT_FLAG_UPDATED;