We should release the udev->sem lock before returning.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c
index 0f326ca..47f872d 100644
--- a/drivers/staging/comedi/drivers/usbduxsigma.c
+++ b/drivers/staging/comedi/drivers/usbduxsigma.c
@@ -2692,6 +2692,7 @@ static int usbduxsigma_attach(struct comedi_device *dev,
if (ret < 0) {
dev_err(&udev->interface->dev,
"comedi%d: no space for subdev\n", dev->minor);
+ up(&udev->sem);
up(&start_stop_sem);
return ret;
}
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