diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index e138eb0dc374..30595c0cd5b0 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -256,6 +256,7 @@ struct comedi_driver {
 struct comedi_device {
 	int use_count;
 	struct comedi_driver *driver;
+	struct comedi_8254 *pacer;
 	void *private;
 
 	struct device *class_dev;
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index f32e71438948..e87c68cf11d4 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -139,7 +139,9 @@ static void comedi_device_detach_cleanup(struct comedi_device *dev)
 		dev->n_subdevices = 0;
 	}
 	kfree(dev->private);
+	kfree(dev->pacer);
 	dev->private = NULL;
+	dev->pacer = NULL;
 	dev->driver = NULL;
 	dev->board_name = NULL;
 	dev->board_ptr = NULL;