From 8a20a8438f57f9301e0c4ddccf2d13cd8fd9a8b2 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Sun, 12 Dec 2021 02:52:09 +0900
Subject: [PATCH] network: route: link_drop_foreign_routes() must be called
 only for managed interfaces

---
 src/network/networkd-route.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/network/networkd-route.c b/src/network/networkd-route.c
index bfd849abb9..156476066a 100644
--- a/src/network/networkd-route.c
+++ b/src/network/networkd-route.c
@@ -893,6 +893,7 @@ int link_drop_foreign_routes(Link *link) {
 
         assert(link);
         assert(link->manager);
+        assert(link->network);
 
         SET_FOREACH(route, link->routes) {
                 /* do not touch routes managed by the kernel */
@@ -907,11 +908,11 @@ int link_drop_foreign_routes(Link *link) {
                 if (!route_exists(route))
                         continue;
 
-                if (route->protocol == RTPROT_STATIC && link->network &&
+                if (route->protocol == RTPROT_STATIC &&
                     FLAGS_SET(link->network->keep_configuration, KEEP_CONFIGURATION_STATIC))
                         continue;
 
-                if (route->protocol == RTPROT_DHCP && link->network &&
+                if (route->protocol == RTPROT_DHCP &&
                     FLAGS_SET(link->network->keep_configuration, KEEP_CONFIGURATION_DHCP))
                         continue;