diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c
index 0adf3cffddb0..4c3e6a6e1e39 100644
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -872,6 +872,8 @@ static int vmk80xx_auto_attach(struct comedi_device *dev,
 
 	devpriv->model = boardinfo->model;
 
+	sema_init(&devpriv->limit_sem, 8);
+
 	ret = vmk80xx_find_usb_endpoints(dev);
 	if (ret)
 		return ret;
@@ -880,8 +882,6 @@ static int vmk80xx_auto_attach(struct comedi_device *dev,
 	if (ret)
 		return ret;
 
-	sema_init(&devpriv->limit_sem, 8);
-
 	usb_set_intfdata(intf, devpriv);
 
 	if (devpriv->model == VMK8061_MODEL) {