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Make sure our parent's IP address isn't NULL.
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@ -720,7 +720,8 @@ dao_input(void)
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rep->state.learned_from = learned_from;
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if(learned_from == RPL_ROUTE_FROM_UNICAST_DAO) {
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if(dag->preferred_parent) {
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if(dag->preferred_parent != NULL &&
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rpl_get_parent_ipaddr(dag->preferred_parent) != NULL) {
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PRINTF("RPL: Forwarding DAO to parent ");
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PRINT6ADDR(rpl_get_parent_ipaddr(dag->preferred_parent));
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PRINTF("\n");
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@ -828,7 +829,9 @@ dao_output_target(rpl_parent_t *parent, uip_ipaddr_t *prefix, uint8_t lifetime)
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PRINT6ADDR(rpl_get_parent_ipaddr(parent));
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PRINTF("\n");
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if(rpl_get_parent_ipaddr(parent) != NULL) {
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uip_icmp6_send(rpl_get_parent_ipaddr(parent), ICMP6_RPL, RPL_CODE_DAO, pos);
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}
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}
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/*---------------------------------------------------------------------------*/
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static void
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