sd-bus: do not read unused value

diff --git a/src/libsystemd/sd-bus/bus-track.c b/src/libsystemd/sd-bus/bus-track.c
index 135dfddc5f07dd2e67611994a3cd9a3d41bf628a..1cbdb46f4c4bb525158030c595d27ceccdcf558e 100644 (file)
--- a/src/libsystemd/sd-bus/bus-track.c
+++ b/src/libsystemd/sd-bus/bus-track.c
@@ -165,13 +165,13 @@ DEFINE_PUBLIC_TRIVIAL_REF_UNREF_FUNC(sd_bus_track, sd_bus_track, track_free);
 
 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;
+        const char *name;
         int r;
 
         assert(message);
         assert(track);
 
-        r = sd_bus_message_read(message, "sss", &name, &old, &new);
+        r = sd_bus_message_read(message, "sss", &name, NULL, NULL);
         if (r < 0)
                 return 0;