From 57e4c21583a9fa4c9d34fa8263930c3a1d5c6cd9 Mon Sep 17 00:00:00 2001

From: Igor Ryzhov <iryzhov@nfware.com>

Date: Tue, 31 Aug 2021 13:41:40 +0300

Subject: [PATCH] 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>

---

 ospfd/ospf_spf.c | 3 +++

 1 file changed, 3 insertions(+)

diff --git a/ospfd/ospf_spf.c b/ospfd/ospf_spf.c

index 6a51440266e..8b4d55984c8 100644

--- 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,