On 10/16/2014 10:09 AM, Laurent Pinchart wrote:
> On Thursday 16 October 2014 10:57:21 Dan Carpenter wrote:
>> The lock has been freed in usbvision_release() so there is no need to
>> call mutex_unlock() here.
>
> Yuck :-/
>
> The driver should really be converted to use video_device::release. That
> might
> be out of scope for this fix though. Is usbvision maintained ?
I have hardware, and at some point I plan to convert it to modern frameworks.
But ENOTIME for now. So I guess I might be the closest to a being a maintainer.
Regards,
Hans
>
>> Signed-off-by: Dan Carpenter <[email protected]>
>>
>> diff --git a/drivers/media/usb/usbvision/usbvision-video.c
>> b/drivers/media/usb/usbvision/usbvision-video.c index 68bc961..9bfa041
>> 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);
>
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