[Qemu-devel] Re: [PATCH 2/4] hda-audio: exit cleanup

[malc <av1474@comtv.ru>]

On Mon, 8 Nov 2010, Gerd Hoffmann wrote:

> Add exit callback to the driver.  Unregister the sound card properly
> on exit.
> 
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
> ---
>  hw/hda-audio.c |   23 +++++++++++++++++++++++
>  1 files changed, 23 insertions(+), 0 deletions(-)
> 
> diff --git a/hw/hda-audio.c b/hw/hda-audio.c
> index 1035774..5593c84 100644
> --- a/hw/hda-audio.c
> +++ b/hw/hda-audio.c
> @@ -808,6 +808,27 @@ static int hda_audio_init(HDACodecDevice *hda, const struct desc_codec *desc)
>      return 0;
>  }
>  
> +static int hda_audio_exit(HDACodecDevice *hda)
> +{
> +    HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
> +    HDAAudioStream *st;
> +    int i;
> +
> +    dprint(a, 1, "%s\n", __FUNCTION__);
> +    for (i = 0; i < ARRAY_SIZE(a->st); i++) {
> +        st = a->st + i;
> +        if (st->node == NULL)
> +            continue;

Braces

> +        if (st->output) {
> +            AUD_close_out(&a->card, st->voice.out);
> +        } else {
> +            AUD_close_in(&a->card, st->voice.in);
> +        }
> +    }
> +    AUD_remove_card(&a->card);
> +    return 0;
> +}
> +
>  static int hda_audio_post_load(void *opaque, int version)
>  {
>      HDAAudioState *a = opaque;
> @@ -879,6 +900,7 @@ static HDACodecDeviceInfo hda_audio_info_output = {
>      .qdev.vmsd    = &vmstate_hda_audio,
>      .qdev.props   = hda_audio_properties,
>      .init         = hda_audio_init_output,
> +    .exit         = hda_audio_exit,
>      .command      = hda_audio_command,
>      .stream       = hda_audio_stream,
>  };
> @@ -890,6 +912,7 @@ static HDACodecDeviceInfo hda_audio_info_duplex = {
>      .qdev.vmsd    = &vmstate_hda_audio,
>      .qdev.props   = hda_audio_properties,
>      .init         = hda_audio_init_duplex,
> +    .exit         = hda_audio_exit,
>      .command      = hda_audio_command,
>      .stream       = hda_audio_stream,
>  };
> 

-- 
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