interface: Fix triggering of interface update event

[project/netifd.git] / interface.c

diff --git a/interface.c b/interface.c
index 5870422..a014111 100644 (file)
--- a/interface.c
+++ b/interface.c
@@ -693,7 +693,8 @@ interface_proto_event_cb(struct interface_proto_state *state, enum interface_pro
        switch (ev) {
        case IFPEV_UP:
                if (iface->state != IFS_SETUP) {
-                       interface_event(iface, IFEV_UPDATE);
+                       if (iface->state == IFS_UP && iface->updated)
+                               interface_event(iface, IFEV_UPDATE);
                        return;
                }
 
@@ -1091,10 +1092,12 @@ set_config_state(struct interface *iface, enum interface_config_state s)
 }
 
 void
-interface_update_start(struct interface *iface)
+interface_update_start(struct interface *iface, const bool keep_old)
 {
        iface->updated = 0;
-       interface_ip_update_start(&iface->proto_ip);
+
+       if (!keep_old)
+               interface_ip_update_start(&iface->proto_ip);
 }
 
 void