ospfd: correctly cleanup spf data

ospf_spf_cleanup frees the data so we need to reset the stale pointers.

Fixes #9523.

Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>

diff --git a/ospfd/ospf_spf.c b/ospfd/ospf_spf.c
index 6a51440266e0a501146a9e4817610ca66f60cfad..8b4d55984c8044d2b2a6873d8bd1d400643e1a91 100644 (file)
--- a/ospfd/ospf_spf.c
+++ b/ospfd/ospf_spf.c
@@ -1781,6 +1781,9 @@ void ospf_spf_calculate_area(struct ospf *ospf, struct ospf_area *area,
                                    ospf->ti_lfa_protection_type);
 
        ospf_spf_cleanup(area->spf, area->spf_vertex_list);
+
+       area->spf = NULL;
+       area->spf_vertex_list = NULL;
 }
 
 void ospf_spf_calculate_areas(struct ospf *ospf, struct route_table *new_table,