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gnrc_rpl: use non-stack variable for link-local matching

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This commit is contained in:
Martine Lenders 2016-04-18 17:14:27 +02:00
parent 4f3a40fb74
commit f86bf8c9cd
1 changed files with 2 additions and 4 deletions
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6
sys/net/gnrc/routing/rpl/gnrc_rpl_control_messages.c
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@ -58,7 +58,6 @@ void gnrc_rpl_send(gnrc_pktsnip_t *pkt, kernel_pid_t iface, ipv6_addr_t *src, ip
{
(void)dodag_id;
gnrc_pktsnip_t *hdr;
ipv6_addr_t ll_addr;
if (iface == KERNEL_PID_UNDEF) {
if ((iface = gnrc_ipv6_netif_find_by_addr(NULL, &ipv6_addr_all_rpl_nodes))
== KERNEL_PID_UNDEF) {
@ -69,8 +68,7 @@ void gnrc_rpl_send(gnrc_pktsnip_t *pkt, kernel_pid_t iface, ipv6_addr_t *src, ip
}
if (src == NULL) {
ipv6_addr_set_link_local_prefix(&ll_addr);
src = gnrc_ipv6_netif_match_prefix(iface, &ll_addr);
src = gnrc_ipv6_netif_match_prefix(iface, &ipv6_addr_link_local_prefix);
if (src == NULL) {
DEBUG("RPL: no suitable src address found\n");
@ -478,7 +476,7 @@ bool _parse_options(int msg_type, gnrc_rpl_instance_t *inst, gnrc_rpl_opt_t *opt
fib_dst_flags = ((uint32_t)(target->prefix_length) << FIB_FLAG_NET_PREFIX_SHIFT);
}
DEBUG("RPL: adding fib entry %s/%d 0x%x\n",
DEBUG("RPL: adding fib entry %s/%d 0x%" PRIx32 "\n",
ipv6_addr_to_str(addr_str, &(target->target), sizeof(addr_str)),
target->prefix_length,
fib_dst_flags);