Re: [PATCH v2 20/29] media: ipu3-cio2: Call v4l2_device_unregister() earlier

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Sakari,

Thank you for the patch.

On Wed, Dec 20, 2023 at 12:37:04PM +0200, Sakari Ailus wrote:
> v4l2_device_unregister() unregisters V4L2 sub-device nodes among other
> things. Call it before releasing memory and other resources.

Please expand the commit message, it's not immediately clear why this is
needed and what the consequences are.

> Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> Acked-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
> ---
>  drivers/media/pci/intel/ipu3/ipu3-cio2.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.c b/drivers/media/pci/intel/ipu3/ipu3-cio2.c
> index 5d3b0ffd3d08..da82d09b46ab 100644
> --- a/drivers/media/pci/intel/ipu3/ipu3-cio2.c
> +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.c
> @@ -1827,11 +1827,11 @@ static void cio2_pci_remove(struct pci_dev *pci_dev)
>  	struct cio2_device *cio2 = pci_get_drvdata(pci_dev);
>  
>  	media_device_unregister(&cio2->media_dev);
> +	v4l2_device_unregister(&cio2->v4l2_dev);
>  	v4l2_async_nf_unregister(&cio2->notifier);
>  	v4l2_async_nf_cleanup(&cio2->notifier);
>  	cio2_queues_exit(cio2);
>  	cio2_fbpt_exit_dummy(cio2);
> -	v4l2_device_unregister(&cio2->v4l2_dev);
>  	media_device_cleanup(&cio2->media_dev);
>  	mutex_destroy(&cio2->lock);
>  

-- 
Regards,

Laurent Pinchart




[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]

  Powered by Linux