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gnrc_ndp.c: parsing of SLLAO in gnrc_ndp_rtr_sol_handle

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Do not set the link-layer address if no SLLAO was included
 into the router solicitation.
This commit is contained in:
Johann F 2015-12-19 00:58:59 +01:00
parent 5f54b857e7
commit adfcef4f7b
1 changed files with 6 additions and 3 deletions
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9
sys/net/gnrc/network_layer/ndp/gnrc_ndp.c
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@ -397,12 +397,15 @@ void gnrc_ndp_rtr_sol_handle(kernel_pid_t iface, gnrc_pktsnip_t *pkt,
switch (opt->type) { switch (opt->type) {
case NDP_OPT_SL2A: case NDP_OPT_SL2A:
if ((l2src_len = gnrc_ndp_internal_sl2a_opt_handle(pkt, ipv6, rtr_sol->type, opt, l2src_len = gnrc_ndp_internal_sl2a_opt_handle(pkt, ipv6,
l2src)) < 0) { rtr_sol->type,
opt, l2src);
if (l2src_len < 0) {
/* -ENOTSUP can not happen */ /* -ENOTSUP can not happen */
/* invalid source link-layer address option */ /* invalid source link-layer address option */
return; return;
} }
_stale_nc(iface, &ipv6->src, l2src, l2src_len);
break; break;
default: default:
@ -419,7 +422,7 @@ void gnrc_ndp_rtr_sol_handle(kernel_pid_t iface, gnrc_pktsnip_t *pkt,
} }
#endif #endif
} }
_stale_nc(iface, &ipv6->src, l2src, l2src_len);
/* send delayed */ /* send delayed */
if (if_entry->flags & GNRC_IPV6_NETIF_FLAGS_RTR_ADV) { if (if_entry->flags & GNRC_IPV6_NETIF_FLAGS_RTR_ADV) {
uint32_t delay; uint32_t delay;