diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
index 8a0648fd7c8135bbb371dc7f1c3b236548ce3e03..2b7432c16338cc328c97da7d7db400104d3a09c2 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
@@ -2857,6 +2857,10 @@ static int atomisp_s_parm_file(struct file *file, void *fh,
 static long atomisp_vidioc_default(struct file *file, void *fh,
 				   bool valid_prio, unsigned int cmd, void *arg)
 {
+	/* Disable all private IOCTLs for now! */
+	if (cmd)
+		return -EINVAL;
+
 	struct video_device *vdev = video_devdata(file);
 	struct atomisp_device *isp = video_get_drvdata(vdev);
 	struct atomisp_sub_device *asd;