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Adapted comment

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This commit is contained in:
Jens Dede 2013-07-23 20:01:10 +02:00
parent 9dd5af78c8
commit 2f1bf730af
1 changed files with 2 additions and 2 deletions
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4
core/net/rpl/rpl-dag.c
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@ -703,8 +703,8 @@ rpl_remove_parent(rpl_dag_t *dag, rpl_parent_t *parent)
void
rpl_nullify_parent(rpl_dag_t *dag, rpl_parent_t *parent)
{
// local repair calls nullification because the preferred parent is NULL!
// So check if parent is NULL to trigger uip_ds6_defrt_rm.
/* This function can be called when the preferred parent is NULL, so we
need to handle this condition in order to trigger uip_ds6_defrt_rm. */
if(parent == dag->preferred_parent || dag->preferred_parent == NULL) {
dag->preferred_parent = NULL;
dag->rank = INFINITE_RANK;