From e57795a1a7ebf8ac91cfb82070cf19bf01ee4ac0 Mon Sep 17 00:00:00 2001
From: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Date: Tue, 3 Mar 2009 19:38:33 +0100
Subject: [PATCH] Staging: comedi: usbduxfast: balance semaphores up/down in
 attach error path

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Cc: Bernd Porr <BerndPorr@f2s.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Cc: David Schleef <ds@schleef.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/usbduxfast.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/comedi/drivers/usbduxfast.c b/drivers/staging/comedi/drivers/usbduxfast.c
index a8d64697b40a..95b5807bcd41 100644
--- a/drivers/staging/comedi/drivers/usbduxfast.c
+++ b/drivers/staging/comedi/drivers/usbduxfast.c
@@ -1766,6 +1766,7 @@ static int usbduxfast_attach(comedi_device *dev, comedi_devconfig *it)
 	if (ret < 0) {
 		printk(KERN_ERR "comedi%d: usbduxfast: error alloc space for "
 		       "subdev\n", dev->minor);
+		up(&(usbduxfastsub[index].sem));
 		up(&start_stop_sem);
 		return ret;
 	}
-- 
2.20.1