- if (UNIT_VTABLE(u)->bus_changing_properties) {
-
- r = sd_bus_emit_properties_changed_strv(
- bus, p,
- UNIT_VTABLE(u)->bus_interface,
- (char**) UNIT_VTABLE(u)->bus_changing_properties);
- if (r < 0)
- return r;
+ r = sd_bus_emit_properties_changed_strv(
+ bus, p,
+ UNIT_VTABLE(u)->bus_interface,
+ NULL);
+ if (r < 0) {
+ log_warning("Failed to send out specific PropertiesChanged signal for %s: %s", u->id, strerror(-r));
+ return r;