diff --git a/drivers/staging/comedi/drivers/pcmuio.c b/drivers/staging/comedi/drivers/pcmuio.c
index b88b24d290e8b085ef5a345a34927eec27103b96..1c219018d2e529b076ae3b3eee94805c4d5fdcdd 100644
--- a/drivers/staging/comedi/drivers/pcmuio.c
+++ b/drivers/staging/comedi/drivers/pcmuio.c
@@ -618,9 +618,7 @@ static int pcmuio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		spin_lock_init(&devpriv->asics[asic].spinlock);
 
 	n_subdevs = board->num_asics * 2;
-	devpriv->sprivs = kcalloc(n_subdevs,
-				  sizeof(struct pcmuio_subdev_private),
-				  GFP_KERNEL);
+	devpriv->sprivs = kcalloc(n_subdevs, sizeof(*subpriv), GFP_KERNEL);
 	if (!devpriv->sprivs)
 		return -ENOMEM;