From: Igor Ryzhov <iryzhov@nfware.com>
Date: Sun, 23 Jan 2022 13:10:55 +0000 (+0300)
Subject: ospfd: fix crash on "ospf send-extra-data zebra"
X-Git-Tag: base_8.2~20^2
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=refs%2Fpull%2F10407%2Fhead;p=mirror%2Ffrr.git

ospfd: fix crash on "ospf send-extra-data zebra"

`ospf->new_table` is NULL if the OSPF instance has no routes.

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

diff --git a/ospfd/ospf_vty.c b/ospfd/ospf_vty.c
index 3d0804b018..9940ce1c69 100644
--- a/ospfd/ospf_vty.c
+++ b/ospfd/ospf_vty.c
@@ -2223,6 +2223,9 @@ static void ospf_table_reinstall_routes(struct ospf *ospf,
 {
 	struct route_node *rn;
 
+	if (!rt)
+		return;
+
 	for (rn = route_top(rt); rn; rn = route_next(rn)) {
 		struct ospf_route *or;