staging: comedi: double unlock in usbduxsigma_attach()

There was a double unlock introduced in 60ff461067 ("staging: comedi:
usbduxsigma: use attach_usb() hook").

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c
index 8da8c1cbb60a..543e604791e2 100644
--- a/drivers/staging/comedi/drivers/usbduxsigma.c
+++ b/drivers/staging/comedi/drivers/usbduxsigma.c
@@ -2450,7 +2450,6 @@ static int usbduxsigma_attach(struct comedi_device *dev,
         if (index < 0) {
                 dev_err(dev->class_dev,
                         "usbduxsigma: error: attach failed, dev not connected to the usb bus.\n");
-                up(&start_stop_sem);
                 ret = -ENODEV;
         } else
                 ret = usbduxsigma_attach_common(dev, &usbduxsub[index],