On Do, 2019-03-28 at 16:56 +0300, Dan Carpenter wrote:
> External E-Mail
>
>
> On Thu, Mar 28, 2019 at 02:17:32PM +0100, Christian Gromm wrote:
> >
> > +static int audio_create_sound_card(void)
> > +{
> > + int ret;
> > + struct sound_adapter *adpt;
> > +
> > + list_for_each_entry(adpt, &adpt_list, list) {
> > + if (!adpt->registered)
> > + goto adpt_alloc;
> > + }
> > + return -ENODEV;
> > +adpt_alloc:
> > + ret = snd_card_register(adpt->card);
> > + if (ret < 0) {
> > + release_adapter(adpt);
> This doesn't feel right. We didn't acquire "adpt" in this function
> so
> why are we releasing it here. Do we release it somewhere else as
> well?
>
We release the adapter, because it is useless if we have not been
able to register it with ALSA.
And yes, it is also being removed, when a channel gets disconnected.
> It's still on the list...
It is being removed from the list inside the function
release_adapter.
thanks,
Chris
>
> >
> > + return ret;
> > + }
> > + adpt->registered = true;
> > + return ret;
> > +}
> regards,
> dan carpenter
>
>
>
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