Validate incoming DTSN value
This commit is contained in:
parent
e5fd1f47fa
commit
c6c6760838
@ -32,7 +32,7 @@
|
||||
*
|
||||
* This file is part of the Contiki operating system.
|
||||
*
|
||||
* $Id: rpl-dag.c,v 1.20 2010/06/07 11:36:02 nvt-se Exp $
|
||||
* $Id: rpl-dag.c,v 1.21 2010/06/07 13:40:05 nvt-se Exp $
|
||||
*/
|
||||
/**
|
||||
* \file
|
||||
@ -545,7 +545,9 @@ rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
|
||||
return;
|
||||
}
|
||||
|
||||
dag->dtsn = dio->dtsn;
|
||||
if(dag->rank != ROOT_RANK && dag->dtsn < dio->dtsn || dag->dtsn == ~0) {
|
||||
dag->dtsn = dio->dtsn;
|
||||
}
|
||||
|
||||
/* This DIO pertains to a DAG that we are already part of. */
|
||||
p = rpl_find_parent(dag, from);
|
||||
|
Loading…
Reference in New Issue
Block a user