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OSPF: Fix crash during route removal

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The bug was introduced by an earler patch which removed additional eattr
argument to rt_notify hook.
This commit is contained in:
Ondrej Zajicek (work) 2018-07-19 20:48:13 +02:00
parent 092c493027
commit 8bd718b3ba
1 changed files with 3 additions and 4 deletions
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7
proto/ospf/topology.c
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@ -1248,7 +1248,6 @@ ospf_rt_notify(struct proto *P, struct channel *ch UNUSED, net *n, rte *new, rte
struct ospf_proto *p = (struct ospf_proto *) P;
struct ospf_area *oa = NULL; /* non-NULL for NSSA-LSA */
ort *nf;
struct ea_list *ea = new->attrs->eattrs;
/*
* There are several posibilities:
@ -1282,8 +1281,8 @@ ospf_rt_notify(struct proto *P, struct channel *ch UNUSED, net *n, rte *new, rte
/* Get route attributes */
rta *a = new->attrs;
eattr *m1a = ea_find(ea, EA_OSPF_METRIC1);
eattr *m2a = ea_find(ea, EA_OSPF_METRIC2);
eattr *m1a = ea_find(a->eattrs, EA_OSPF_METRIC1);
eattr *m2a = ea_find(a->eattrs, EA_OSPF_METRIC2);
uint m1 = m1a ? m1a->u.data : 0;
uint m2 = m2a ? m2a->u.data : 10000;
@ -1307,7 +1306,7 @@ ospf_rt_notify(struct proto *P, struct channel *ch UNUSED, net *n, rte *new, rte
uint ebit = m2a || !m1a;
uint metric = ebit ? m2 : m1;
uint tag = ea_get_int(ea, EA_OSPF_TAG, 0);
uint tag = ea_get_int(a->eattrs, EA_OSPF_TAG, 0);
ip_addr fwd = IPA_NONE;
if ((a->dest == RTD_UNICAST) && use_gw_for_fwaddr(p, a->nh.gw, a->nh.iface))