sd-bus: add async convenience method call API

[elogind.git] / src / libelogind / sd-bus / bus-track.c

diff --git a/src/libelogind/sd-bus/bus-track.c b/src/libelogind/sd-bus/bus-track.c
index 048178550b5fb5a50cff72ae16842cea31bd6929..ec9340f8e1a1f4a90326ba095621ca6180efff60 100644 (file)
--- a/src/libelogind/sd-bus/bus-track.c
+++ b/src/libelogind/sd-bus/bus-track.c
@@ -90,6 +90,9 @@ _public_ int sd_bus_track_new(
         assert_return(bus, -EINVAL);
         assert_return(track, -EINVAL);
 
+        if (!bus->bus_client)
+                return -EINVAL;
+
         t = new0(sd_bus_track, 1);
         if (!t)
                 return -ENOMEM;
@@ -139,12 +142,11 @@ _public_ sd_bus_track* sd_bus_track_unref(sd_bus_track *track) {
         return NULL;
 }
 
-static int on_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+static int on_name_owner_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
         sd_bus_track *track = userdata;
         const char *name, *old, *new;
         int r;
 
-        assert(bus);
         assert(message);
         assert(track);