From 79537a6dd70cc20551bd879f2720009ff783167d Mon Sep 17 00:00:00 2001
From: Laurent Deru <laurent.deru@cetic.be>
Date: Fri, 18 Apr 2014 11:39:33 +0200
Subject: [PATCH] rpl_select_parent: Only check parents belonging to the given
 dag

---
 core/net/rpl/rpl-dag.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/net/rpl/rpl-dag.c b/core/net/rpl/rpl-dag.c
index 08178d5ad..b3135c234 100644
--- a/core/net/rpl/rpl-dag.c
+++ b/core/net/rpl/rpl-dag.c
@@ -712,7 +712,7 @@ best_parent(rpl_dag_t *dag)
 
   p = nbr_table_head(rpl_parents);
   while(p != NULL) {
-    if(p->rank == INFINITE_RANK) {
+    if(p->dag != dag || p->rank == INFINITE_RANK) {
       /* ignore this neighbor */
     } else if(best == NULL) {
       best = p;