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-rw-r--r--proto/ospf/iface.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/proto/ospf/iface.c b/proto/ospf/iface.c
index 0cc88cb..dffb357 100644
--- a/proto/ospf/iface.c
+++ b/proto/ospf/iface.c
@@ -433,9 +433,12 @@ ospf_if_notify(struct proto *p, unsigned flags, struct iface *iface)
struct ospf_packet *op;
struct ospf_neighbor *n;
OSPF_TRACE(D_EVENTS, "Changing MTU on interface %s.", iface->name);
- sk_reallocate(ifa->hello_sk);
- sk_reallocate(ifa->dr_sk);
- sk_reallocate(ifa->ip_sk);
+ if (ifa->hello_sk)
+ sk_reallocate(ifa->hello_sk);
+ if (ifa->dr_sk)
+ sk_reallocate(ifa->dr_sk);
+ if (ifa->ip_sk)
+ sk_reallocate(ifa->ip_sk);
WALK_LIST(n,ifa->neigh_list)
{