xserver: Ignore requests from X servers we didn't launch

diff --git a/compositor/xserver-launcher.c b/compositor/xserver-launcher.c
index 90a4b2c..fe12776 100644 (file)
--- a/compositor/xserver-launcher.c
+++ b/compositor/xserver-launcher.c
@@ -537,6 +537,9 @@ xserver_set_window_id(struct wl_client *client, struct xserver *xserver,
        struct wlsc_wm *wm = wxs->wm;
        struct wlsc_wm_window *window;
 
+       if (client != wxs->client)
+               return;
+
        window = wl_hash_table_lookup(wm->window_hash, id);
        if (window == NULL) {
                fprintf(stderr, "set_window_id for unknown window %d\n", id);