compositor-drm: ensure we run drm-backend using weston-launch

We do this by checking if launcher_sock != -1

This fixes https://bugs.freedesktop.org/show_bug.cgi?id=60926

diff --git a/src/compositor-drm.c b/src/compositor-drm.c
index fa21495..3d200dd 100644 (file)
--- a/src/compositor-drm.c
+++ b/src/compositor-drm.c
@@ -2166,6 +2166,13 @@ drm_compositor_create(struct wl_display *display,
                goto err_base;
        }
 
+       /* Check if we run drm-backend using weston-launch */
+       if (ec->base.launcher_sock == -1) {
+               weston_log("fatal: drm backend should be run "
+                          "using weston-launch binary\n");
+               goto err_compositor;
+       }
+
        ec->udev = udev_new();
        if (ec->udev == NULL) {
                weston_log("failed to initialize udev context\n");