diff --git a/[refs] b/[refs]
index 4f1945b04c78..7c40ab4b7868 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 880e96166c2cd1d84df0ccb02d413dcbf422796b
+refs/heads/master: 85678d5d27cb0ea1005316f51b1b062bf4609b66
diff --git a/trunk/drivers/staging/comedi/drivers/usbdux.c b/trunk/drivers/staging/comedi/drivers/usbdux.c
index 6637698e119a..bf62e0dd6f69 100644
--- a/trunk/drivers/staging/comedi/drivers/usbdux.c
+++ b/trunk/drivers/staging/comedi/drivers/usbdux.c
@@ -1465,6 +1465,7 @@ static int usbdux_ao_inttrig(struct comedi_device *dev,
 		dev_err(&this_usbduxsub->interface->dev,
 			"comedi%d: usbdux_ao_inttrig: invalid trignum\n",
 			dev->minor);
+		up(&this_usbduxsub->sem);
 		return -EINVAL;
 	}
 	if (!(this_usbduxsub->ao_cmd_running)) {
@@ -2671,6 +2672,7 @@ static int usbdux_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	if (ret < 0) {
 		dev_err(&udev->interface->dev,
 			"comedi%d: error alloc space for subdev\n", dev->minor);
+		up(&udev->sem);
 		up(&start_stop_sem);
 		return ret;
 	}