--- a/sys/dev/drm/radeon/radeon_fb.c
+++ b/sys/dev/drm/radeon/radeon_fb.c
@@ -399,6 +399,7 @@ int radeon_fbdev_init(struct radeon_device *rdev)
 
 fini:
 	drm_fb_helper_fini(&rfbdev->helper);
 free:
+	rdev->mode_info.rfbdev = NULL;
 	kfree(rfbdev);
 	return ret;
 }