Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1420858

Re: [PATCH] media: s5p-mfc fix memory leak in s5p_mfc_remove()

From Javier Martinez Canillas <javier@dowhile0.org>
Newsgroups linux.kernel
Subject Re: [PATCH] media: s5p-mfc fix memory leak in s5p_mfc_remove()
Date 2016-06-13 15:50 +0200
Message-ID <rJApA-6Xi-23@gated-at.bofh.it> (permalink)
References <rHX6V-7Ur-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


Hello Shuah,

On Wed, Jun 8, 2016 at 9:35 PM, Shuah Khan <shuahkh@osg.samsung.com> wrote:
> s5p_mfc_remove() fails to release encoder and decoder video devices.
>
> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
> ---
>  drivers/media/platform/s5p-mfc/s5p_mfc.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
> index 274b4f1..af61f54 100644
> --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
> +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
> @@ -1317,7 +1317,9 @@ static int s5p_mfc_remove(struct platform_device *pdev)
>         destroy_workqueue(dev->watchdog_workqueue);
>
>         video_unregister_device(dev->vfd_enc);
> +       video_device_release(dev->vfd_enc);
>         video_unregister_device(dev->vfd_dec);
> +       video_device_release(dev->vfd_dec);
>         v4l2_device_unregister(&dev->v4l2_dev);
>         s5p_mfc_release_firmware(dev);
>         vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[0]);
> --

Can you please do the remove operations in the inverse order of their
counterparts? IOW to do the release for both encoder and decoder after
their unregistration.

After that change:

Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>

Best regards,
Javier

Back to linux.kernel | Previous | NextNext in thread | Find similar | Unroll thread


Thread

Re: [PATCH] media: s5p-mfc fix memory leak in s5p_mfc_remove() Javier Martinez Canillas <javier@dowhile0.org> - 2016-06-13 15:50 +0200
  Re: [PATCH] media: s5p-mfc fix memory leak in s5p_mfc_remove() Shuah Khan <shuahkh@osg.samsung.com> - 2016-06-13 17:40 +0200

csiph-web