compositor-drm: Inspect result of gbm_create_device.

diff --git a/src/compositor-drm.c b/src/compositor-drm.c
index d933c92..3e93162 100644 (file)
--- a/src/compositor-drm.c
+++ b/src/compositor-drm.c
@@ -1175,6 +1175,9 @@ init_egl(struct drm_compositor *ec)
 {
        ec->gbm = gbm_create_device(ec->drm.fd);
 
+       if (!ec->gbm)
+               return -1;
+
        if (gl_renderer_create(&ec->base, ec->gbm, gl_renderer_opaque_attribs,
                        NULL) < 0) {
                gbm_device_destroy(ec->gbm);