network: split link_free() into two parts

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 897a2b2..6c1cb45 100644 (file)
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -661,6 +661,25 @@ void link_dns_settings_clear(Link *link) {
         link->dnssec_negative_trust_anchors = set_free_free(link->dnssec_negative_trust_anchors);
 }
 
+static void link_free_engines(Link *link) {
+        if (!link)
+                return;
+
+        link->dhcp_server = sd_dhcp_server_unref(link->dhcp_server);
+        link->dhcp_client = sd_dhcp_client_unref(link->dhcp_client);
+        link->dhcp_lease = sd_dhcp_lease_unref(link->dhcp_lease);
+        link->dhcp_routes = set_free(link->dhcp_routes);
+
+        link->lldp = sd_lldp_unref(link->lldp);
+
+        ndisc_flush(link);
+
+        link->ipv4ll = sd_ipv4ll_unref(link->ipv4ll);
+        link->dhcp6_client = sd_dhcp6_client_unref(link->dhcp6_client);
+        link->ndisc = sd_ndisc_unref(link->ndisc);
+        link->radv = sd_radv_unref(link->radv);
+}
+
 static Link *link_free(Link *link) {
         Address *address;
 
@@ -686,25 +705,11 @@ static Link *link_free(Link *link) {
                 address_free(address);
         }
 
-        sd_dhcp_server_unref(link->dhcp_server);
-        sd_dhcp_client_unref(link->dhcp_client);
-        sd_dhcp_lease_unref(link->dhcp_lease);
-        set_free(link->dhcp_routes);
-
         link_lldp_emit_stop(link);
-
+        link_free_engines(link);
         free(link->lease_file);
-
-        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);
-        sd_radv_unref(link->radv);
-
         free(link->ifname);
         free(link->kind);