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fixed so that the comparison of old lladdr and llao lladdr is compared instead of two llaos - and improved code style on surrounding code

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This commit is contained in:
Joakim Eriksson 2015-11-25 15:01:46 +01:00
parent b2f72fc996
commit 6f271bf853
1 changed files with 11 additions and 8 deletions
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19
core/net/ipv6/uip-nd6.c
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@ -490,22 +490,22 @@ na_input(void)
PRINTF("NA received is bad\n");
goto discard;
} else {
uip_lladdr_t lladdr_aligned;
nbr = uip_ds6_nbr_lookup(&UIP_ND6_NA_BUF->tgtipaddr);
if(nbr == NULL) {
goto discard;
}
extract_lladdr_aligned(&lladdr_aligned);
if(nd6_opt_llao != 0) {
if(nd6_opt_llao != NULL) {
is_llchange =
memcmp(&nd6_opt_llao[UIP_ND6_OPT_DATA_OFFSET], (void *)&lladdr_aligned,
memcmp(&nd6_opt_llao[UIP_ND6_OPT_DATA_OFFSET], uip_ds6_nbr_get_ll(nbr),
UIP_LLADDR_LEN);
}
if(nbr->state == NBR_INCOMPLETE) {
uip_lladdr_t lladdr_aligned;
if(nd6_opt_llao == NULL) {
goto discard;
}
extract_lladdr_aligned(&lladdr_aligned);
/* Remove this neighbor - since it has a NULL MAC address */
uip_ds6_nbr_rm(nbr);
@ -534,9 +534,12 @@ na_input(void)
}
goto discard;
} else {
if(is_override || (!is_override && nd6_opt_llao != 0 && !is_llchange)
|| nd6_opt_llao == 0) {
if(nd6_opt_llao != 0) {
if(is_override || (!is_override && nd6_opt_llao != NULL && !is_llchange)
|| nd6_opt_llao == NULL) {
if(nd6_opt_llao != NULL) {
uip_lladdr_t lladdr_aligned;
extract_lladdr_aligned(&lladdr_aligned);
/* Remove this neighbor - since it has updated its MAC address */
uip_ds6_nbr_rm(nbr);
/* Re-add this neighbor - now with a correct (new) MAC address */
@ -552,7 +555,7 @@ na_input(void)
/* reachable time is stored in ms */
stimer_set(&(nbr->reachable), uip_ds6_if.reachable_time / 1000);
} else {
if(nd6_opt_llao != 0 && is_llchange) {
if(nd6_opt_llao != NULL && is_llchange) {
nbr->state = NBR_STALE;
}
}