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-rw-r--r--ospfd/ospf_flood.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/ospfd/ospf_flood.c b/ospfd/ospf_flood.c
index 77f2e161..004ed1a7 100644
--- a/ospfd/ospf_flood.c
+++ b/ospfd/ospf_flood.c
@@ -319,7 +319,8 @@ ospf_flood (struct ospf *ospf, struct ospf_neighbor *nbr,
procedure cannot overwrite the newly installed LSA until
MinLSArrival seconds have elapsed. */
- new = ospf_lsa_install (ospf, nbr->oi, new);
+ if (! (new = ospf_lsa_install (ospf, nbr->oi, new)))
+ return 0; /* unknown LSA type */
/* Acknowledge the receipt of the LSA by sending a Link State
Acknowledgment packet back out the receiving interface. */