On Wed, Dec 12, 2018 at 01:15:26PM +0100, Christian Gromm wrote:
> @@ -571,6 +600,40 @@ static int audio_probe_channel(struct most_interface
> *iface, int channel_id,
> return -EINVAL;
> }
>
> + ret = split_arg_list(arg_list, &card_name, &ch_num, &sample_res,
> + &create);
> + if (ret < 0)
> + return ret;
> +
> + list_for_each_entry(adpt, &adpt_list, list) {
> + if (adpt->iface == iface && adpt->registered)
> + return -ENOSPC;
> + if (!adpt->registered) {
> + adpt->pcm_dev_idx++;
> + goto skip_adpt_alloc;
We haven't ensured the adpt->iface == iface.
> + }
> + }
Probably you want to say:
list_for_each_entry(adpt, &adpt_list, list) {
if (adpt->iface != iface)
continue;
if (adpt->registered)
return -ENOSPC;
adpt->pcm_dev_idx++;
goto skip_adpt_alloc;
}
But here again, I think I might prefer if allocating a new "adpt" were
and explicit command from user space as opposed to just a side effect of
registering a new iface.
regards,
dan carpenter
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