linux-kernel - [PATCH -mm] media: video: usbvision: add mutex

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Date:	Tue, 11 Dec 2007 17:54:50 -0800
From:	Daniel Walker <dwalker@...sta.com>
To:	akpm@...ux-foundation.org
Cc:	matthias.kaehlcke@...il.com, linux-kernel@...r.kernel.org
Subject: [PATCH -mm] media: video: usbvision: add mutex_unlock() to error paths

There are a few error paths which don't unlock the usbvision->lock.

So I've added mutex_unlock() calls to fix those paths.

Signed-off-by: Daniel Walker <dwalker@...sta.com>

---
 drivers/media/video/usbvision/usbvision-video.c |    2 ++
 1 file changed, 2 insertions(+)

Index: linux-2.6.23/drivers/media/video/usbvision/usbvision-video.c
===================================================================
--- linux-2.6.23.orig/drivers/media/video/usbvision/usbvision-video.c
+++ linux-2.6.23/drivers/media/video/usbvision/usbvision-video.c
@@ -1290,6 +1290,7 @@ static int usbvision_radio_open(struct i
 		errCode = usbvision_set_alternate(usbvision);
 		if (errCode < 0) {
 			usbvision->last_error = errCode;
+			mutex_unlock(&usbvision->lock);
 			return -EBUSY;
 		}
 
@@ -1806,6 +1807,7 @@ static int __devinit usbvision_probe(str
 					      usbvision->num_alt,GFP_KERNEL);
 	if (usbvision->alt_max_pkt_size == NULL) {
 		err("usbvision: out of memory!\n");
+		mutex_unlock(&usbvision->lock);
 		return -ENOMEM;
 	}
 
-- 

-- 
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