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Backport https://gerrit.fd.io/r/c/vpp/+/36961

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This commit is contained in:
Pim van Pelt
2022-10-04 13:11:53 +00:00
parent a0ad5cc5cf
commit 623973dc1f
1 changed files with 14 additions and 2 deletions
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16
lcpng_nl_sync.c
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@ -958,6 +958,7 @@ lcp_nl_neigh_add (struct rtnl_neigh *rn)
struct nl_addr *ll;
ip_address_t nh;
int state;
struct nl_addr *rna;
NL_DBG ("neigh_add: netlink %U", format_nl_object, rn);
@ -974,7 +975,12 @@ lcp_nl_neigh_add (struct rtnl_neigh *rn)
return;
}
lcp_nl_mk_ip_addr (rtnl_neigh_get_dst (rn), &nh);
if ((rna = rtnl_neigh_get_dst (rn)) == NULL)
{
NL_DBG ("neigh_del: ignore missing neighbor %U", format_nl_object, rn);
return;
}
lcp_nl_mk_ip_addr (rna, &nh);
ll = rtnl_neigh_get_lladdr (rn);
state = rtnl_neigh_get_state (rn);
@ -1014,6 +1020,7 @@ lcp_nl_neigh_del (struct rtnl_neigh *rn)
{
ip_address_t nh;
int rv;
struct nl_addr *rna;
NL_DBG ("neigh_del: netlink %U", format_nl_object, rn);
lcp_itf_pair_t *lip;
@ -1030,7 +1037,12 @@ lcp_nl_neigh_del (struct rtnl_neigh *rn)
return;
}
lcp_nl_mk_ip_addr (rtnl_neigh_get_dst (rn), &nh);
if ((rna = rtnl_neigh_get_dst (rn)) == NULL)
{
NL_DBG ("neigh_del: ignore missing neighbor %U", format_nl_object, rn);
return;
}
lcp_nl_mk_ip_addr (rna, &nh);
rv = ip_neighbor_del (&nh, lip->lip_phy_sw_if_index);
if (rv == 0 || rv == VNET_API_ERROR_NO_SUCH_ENTRY)