From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 30 Nov 2011 08:42:58 +0000 (+0300)
Subject: Staging: comedi: unlock on error in usbduxsigma_attach()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2f30866fbf0dd3b1d5ea87ebab2a96222d1cebe9;p=mv-sheeva.git

Staging: comedi: unlock on error in usbduxsigma_attach()

We should release the udev->sem lock before returning.

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

diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c
index f4025b60cd3..4500b80eee6 100644
--- a/drivers/staging/comedi/drivers/usbduxsigma.c
+++ b/drivers/staging/comedi/drivers/usbduxsigma.c
@@ -2691,6 +2691,7 @@ 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;
 	}