From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Fri, 9 Feb 2024 05:50:46 +0000 (+0900)
Subject: network/ndisc: also drop SLAAC addresses and routes on reconfiguring
X-Git-Tag: v256-rc1~856^2~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a86763c70b29a3a6b2fc543fef9ed5502c9c8991;p=thirdparty%2Fsystemd.git

network/ndisc: also drop SLAAC addresses and routes on reconfiguring

Especially, this is important for routes, as link_drop_managed_routes()
removes only static routes, rather than non-foreign routes.
---

diff --git a/src/network/networkd-ndisc.c b/src/network/networkd-ndisc.c
index 030b4a43394..5f93f45b3ce 100644
--- a/src/network/networkd-ndisc.c
+++ b/src/network/networkd-ndisc.c
@@ -1640,7 +1640,8 @@ int ndisc_stop(Link *link) {
 void ndisc_flush(Link *link) {
         assert(link);
 
-        /* Remove all RDNSS, DNSSL, and Captive Portal entries, without exception. */
+        /* Remove all addresses, routes, RDNSS, DNSSL, and Captive Portal entries, without exception. */
+        (void) ndisc_drop_outdated(link, /* timestamp_usec = */ USEC_INFINITY);
 
         link->ndisc_rdnss = set_free(link->ndisc_rdnss);
         link->ndisc_dnssl = set_free(link->ndisc_dnssl);