diff options
| -rw-r--r-- | isisd/isis_tlvs.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/isisd/isis_tlvs.c b/isisd/isis_tlvs.c index 2b0a58b739..93ae8c6cb2 100644 --- a/isisd/isis_tlvs.c +++ b/isisd/isis_tlvs.c @@ -8016,7 +8016,6 @@ void isis_tlvs_add_extended_ip_reach(struct isis_tlvs *tlvs, apply_mask_ipv4(&r->prefix); if (pcfgs) { - r->subtlvs = isis_alloc_subtlvs(ISIS_CONTEXT_SUBTLV_IP_REACH); for (int i = 0; i < SR_ALGORITHM_COUNT; i++) { struct isis_prefix_sid *psid; struct sr_prefix_cfg *pcfg = pcfgs[i]; @@ -8026,6 +8025,10 @@ void isis_tlvs_add_extended_ip_reach(struct isis_tlvs *tlvs, psid = XCALLOC(MTYPE_ISIS_SUBTLV, sizeof(*psid)); isis_sr_prefix_cfg2subtlv(pcfg, external, psid); + + if (!r->subtlvs) + r->subtlvs = isis_alloc_subtlvs( + ISIS_CONTEXT_SUBTLV_IP_REACH); append_item(&r->subtlvs->prefix_sids, (struct isis_item *)psid); } @@ -8044,7 +8047,6 @@ void isis_tlvs_add_ipv6_reach(struct isis_tlvs *tlvs, uint16_t mtid, memcpy(&r->prefix, dest, sizeof(*dest)); apply_mask_ipv6(&r->prefix); if (pcfgs) { - r->subtlvs = isis_alloc_subtlvs(ISIS_CONTEXT_SUBTLV_IP_REACH); for (int i = 0; i < SR_ALGORITHM_COUNT; i++) { struct isis_prefix_sid *psid; struct sr_prefix_cfg *pcfg = pcfgs[i]; @@ -8054,6 +8056,10 @@ void isis_tlvs_add_ipv6_reach(struct isis_tlvs *tlvs, uint16_t mtid, psid = XCALLOC(MTYPE_ISIS_SUBTLV, sizeof(*psid)); isis_sr_prefix_cfg2subtlv(pcfg, external, psid); + + if (!r->subtlvs) + r->subtlvs = isis_alloc_subtlvs( + ISIS_CONTEXT_SUBTLV_IPV6_REACH); append_item(&r->subtlvs->prefix_sids, (struct isis_item *)psid); } |