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bgpd: Ensure that we have a ifp pointer

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It is possible that the if_lookup_by_index() call will return
a NULL value and calling zclient_send_interface_radv_req.  Just
test that we have a valid interface pointer.

Found by Coverity

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2020-04-30 11:16:28 -04:00
parent ba3f5f06d0
commit 68cecc3b69
1 changed files with 3 additions and 0 deletions
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3
bgpd/bgp_nht.c
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@ -962,6 +962,9 @@ void bgp_nht_dereg_enhe_cap_intfs(struct peer *peer)
for (nhop = bnc->nexthop; nhop; nhop = nhop->next) { for (nhop = bnc->nexthop; nhop; nhop = nhop->next) {
ifp = if_lookup_by_index(nhop->ifindex, nhop->vrf_id); ifp = if_lookup_by_index(nhop->ifindex, nhop->vrf_id);
if (!ifp)
continue;
zclient_send_interface_radv_req(zclient, nhop->vrf_id, ifp, 0, zclient_send_interface_radv_req(zclient, nhop->vrf_id, ifp, 0,
0); 0);
} }