From: Dan Carpenter <[email protected]>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 470a9147899500eb4898f77816520c4b4aa1a698 upstream.

The lock has been freed in usbvision_release() so there is no need to
call mutex_unlock() here.

Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Signed-off-by: Jiri Slaby <[email protected]>
---
 drivers/media/usb/usbvision/usbvision-video.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/usb/usbvision/usbvision-video.c 
b/drivers/media/usb/usbvision/usbvision-video.c
index 5c9e3123ad2e..661f7f2a9e8b 100644
--- a/drivers/media/usb/usbvision/usbvision-video.c
+++ b/drivers/media/usb/usbvision/usbvision-video.c
@@ -446,6 +446,7 @@ static int usbvision_v4l2_close(struct file *file)
        if (usbvision->remove_pending) {
                printk(KERN_INFO "%s: Final disconnect\n", __func__);
                usbvision_release(usbvision);
+               return 0;
        }
        mutex_unlock(&usbvision->v4l2_lock);
 
@@ -1221,6 +1222,7 @@ static int usbvision_radio_close(struct file *file)
        if (usbvision->remove_pending) {
                printk(KERN_INFO "%s: Final disconnect\n", __func__);
                usbvision_release(usbvision);
+               return err_code;
        }
 
        mutex_unlock(&usbvision->v4l2_lock);
-- 
2.1.3

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