diff options
Diffstat (limited to 'proto/ospf/topology.c')
| -rw-r--r-- | proto/ospf/topology.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/proto/ospf/topology.c b/proto/ospf/topology.c index 16a06676..1ea1df1b 100644 --- a/proto/ospf/topology.c +++ b/proto/ospf/topology.c @@ -157,6 +157,9 @@ get_seqnum(struct top_hash_entry *en) static int configured_stubnet(struct ospf_area *oa, struct ifa *a) { + if (!oa->ac) + return 0; + struct ospf_stubnet_config *sn; WALK_LIST(sn, oa->ac->stubnet_list) { @@ -309,8 +312,9 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 *length) } struct ospf_stubnet_config *sn; - WALK_LIST(sn, oa->ac->stubnet_list) - if (!sn->hidden) + if (oa->ac) + WALK_LIST(sn, oa->ac->stubnet_list) + if (!sn->hidden) { ln = lsab_alloc(po, sizeof(struct ospf_lsa_rt_link)); ln->type = LSART_STUB; @@ -1197,7 +1201,7 @@ originate_prefix_rt_lsa_body(struct ospf_area *oa, u16 *length) /* If there are some configured vlinks, add some global address, which will be used as a vlink endpoint. */ - if (!EMPTY_LIST(oa->ac->vlink_list) && !host_addr && vlink_addr) + if (oa->ac && !EMPTY_LIST(oa->ac->vlink_list) && !host_addr && vlink_addr) { put_ipv6_prefix(lsab_alloc(po, IPV6_PREFIX_SPACE(MAX_PREFIX_LENGTH)), vlink_addr->ip, MAX_PREFIX_LENGTH, OPT_PX_LA, 0); @@ -1205,8 +1209,9 @@ originate_prefix_rt_lsa_body(struct ospf_area *oa, u16 *length) } struct ospf_stubnet_config *sn; - WALK_LIST(sn, oa->ac->stubnet_list) - if (!sn->hidden) + if (oa->ac) + WALK_LIST(sn, oa->ac->stubnet_list) + if (!sn->hidden) { flags = (sn->px.len < MAX_PREFIX_LENGTH) ? 0 : OPT_PX_LA; put_ipv6_prefix(lsab_alloc(po, IPV6_PREFIX_SPACE(sn->px.len)), |