linux-kernel - [PATCH 3/5] USB: misc/adutux, fix lock imbalance

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Message-Id: <1236804460-1432-3-git-send-email-jirislaby@gmail.com>
Date:	Wed, 11 Mar 2009 21:47:38 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	gregkh@...e.de
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jiri Slaby <jirislaby@...il.com>
Subject: [PATCH 3/5] USB: misc/adutux, fix lock imbalance

Don't unlock adutux_mutex when not held.

Signed-off-by: Jiri Slaby <jirislaby@...il.com>
---
 drivers/usb/misc/adutux.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index 7b6922e..2035265 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -376,7 +376,7 @@ static int adu_release(struct inode *inode, struct file *file)
 	if (dev->open_count <= 0) {
 		dbg(1," %s : device not opened", __func__);
 		retval = -ENODEV;
-		goto exit;
+		goto unlock;
 	}
 
 	adu_release_internal(dev);
@@ -385,9 +385,9 @@ static int adu_release(struct inode *inode, struct file *file)
 		if (!dev->open_count)	/* ... and we're the last user */
 			adu_delete(dev);
 	}
-
-exit:
+unlock:
 	mutex_unlock(&adutux_mutex);
+exit:
 	dbg(2," %s : leave, return value %d", __func__, retval);
 	return retval;
 }
-- 
1.6.2
caught by stanse

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