[alsa-devel] [PATCH 6/6] pcm:plug: save converter config
Takashi Iwai
tiwai at suse.de
Fri Feb 17 18:44:30 CET 2017
On Fri, 17 Feb 2017 08:18:02 +0100,
sutar.mounesh at gmail.com wrote:
>
> From: Andreas Pape <apape at de.adit-jv.com>
>
> Passed config is freed after call to open, thus it is invalid when
> trying to extract the converter name. So config entry is saved
> for later usage.
>
> Signed-off-by: Andreas Pape <apape at de.adit-jv.com>
> Signed-off-by: Mounesh Sutar <sutar.mounesh at gmail.com>
>
> diff --git a/src/pcm/pcm_plug.c b/src/pcm/pcm_plug.c
> index 266707b..6d0c03d 100644
> --- a/src/pcm/pcm_plug.c
> +++ b/src/pcm/pcm_plug.c
> @@ -64,6 +64,8 @@ static int snd_pcm_plug_close(snd_pcm_t *pcm)
> snd_pcm_plug_t *plug = pcm->private_data;
> int err, result = 0;
> free(plug->ttable);
> + if (plug->rate_converter)
> + snd_config_delete((snd_config_t*)plug->rate_converter);
> assert(plug->gen.slave == plug->req_slave);
> if (plug->gen.close_slave) {
> snd_pcm_unlink_hw_ptr(pcm, plug->req_slave);
> @@ -1108,7 +1110,15 @@ int snd_pcm_plug_open(snd_pcm_t **pcmp,
> plug->sformat = sformat;
> plug->schannels = schannels;
> plug->srate = srate;
> - plug->rate_converter = rate_converter;
> + if (rate_converter) {
> + if ((err = snd_config_copy((snd_config_t**)&plug->rate_converter,
> + (snd_config_t *)rate_converter)) < 0)
> + free(plug);
> + return err;
> + }
> + else
> + snd_config_delete((snd_config_t*)plug->rate_converter);
Why do we need to delete plug->rate_converter here...?
It's nowhere assigned after the patch?
thanks,
Takashi
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