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Fixes some crashes in OSPFv2.
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parent
a6250a7d10
commit
4b84bd4554
@ -776,6 +776,8 @@ add_cand(list * l, struct top_hash_entry *en, struct top_hash_entry *par,
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node *prev, *n;
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int added = 0;
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struct top_hash_entry *act;
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ip_addr old_nh;
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struct ospf_iface *old_nhi;
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if (en == NULL)
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return;
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@ -798,13 +800,20 @@ add_cand(list * l, struct top_hash_entry *en, struct top_hash_entry *par,
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DBG(" Adding candidate: rt: %R, id: %R, type: %u\n",
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en->lsa.rt, en->lsa.id, en->lsa.type);
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old_nhi = en->nhi;
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old_nh = en->nh;
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en->nhi = NULL;
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en->nh = IPA_NONE;
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calc_next_hop(en, par, oa);
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if (!en->nhi)
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return; /* We cannot find next hop, ignore it */
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{
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/* No next hop found, we undo changes and return */
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en->nhi = old_nhi;
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en->nh = old_nh;
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return;
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}
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if (en->color == CANDIDATE)
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{ /* We found a shorter path */
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