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-rw-r--r--src/network/networkd-link.c7
-rw-r--r--src/network/networkd-ndisc.c9
-rw-r--r--src/network/networkd-ndisc.h1
3 files changed, 14 insertions, 3 deletions
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index d9e060b6cf..aefe7335b9 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -514,13 +514,12 @@ static void link_free(Link *link) {
sd_lldp_unref(link->lldp);
free(link->lldp_file);
+ ndisc_flush(link);
+
sd_ipv4ll_unref(link->ipv4ll);
sd_dhcp6_client_unref(link->dhcp6_client);
sd_ndisc_unref(link->ndisc);
- set_free_free(link->ndisc_rdnss);
- set_free_free(link->ndisc_dnssl);
-
if (link->manager)
hashmap_remove(link->manager->links, INT_TO_PTR(link->ifindex));
@@ -2427,6 +2426,8 @@ static int link_drop_config(Link *link) {
return r;
}
+ ndisc_flush(link);
+
return 0;
}
diff --git a/src/network/networkd-ndisc.c b/src/network/networkd-ndisc.c
index 6ce6bfa787..4853791aa5 100644
--- a/src/network/networkd-ndisc.c
+++ b/src/network/networkd-ndisc.c
@@ -690,3 +690,12 @@ void ndisc_vacuum(Link *link) {
link_dirty(link);
}
}
+
+void ndisc_flush(Link *link) {
+ assert(link);
+
+ /* Removes all RDNSS and DNSSL entries, without exception */
+
+ link->ndisc_rdnss = set_free_free(link->ndisc_rdnss);
+ link->ndisc_dnssl = set_free_free(link->ndisc_dnssl);
+}
diff --git a/src/network/networkd-ndisc.h b/src/network/networkd-ndisc.h
index 2002f55107..127126190e 100644
--- a/src/network/networkd-ndisc.h
+++ b/src/network/networkd-ndisc.h
@@ -37,3 +37,4 @@ static inline char* NDISC_DNSSL_DOMAIN(const NDiscDNSSL *n) {
int ndisc_configure(Link *link);
void ndisc_vacuum(Link *link);
+void ndisc_flush(Link *link);