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SubjectRe: [PATCH v2 10/12] ASoC: SOF: Intel: hda: make sure DAI widget is set up before IPC
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>> +static struct sof_ipc_dai_config *hda_dai_update_config(struct snd_soc_dapm_widget *w,
>> + int channel)
>> {
>> + struct snd_sof_widget *swidget = w->dobj.private;
>> struct sof_ipc_dai_config *config;
>> struct snd_sof_dai *sof_dai;
>> - struct sof_ipc_reply reply;
>> - int ret = 0;
>>
>> - list_for_each_entry(sof_dai, &hda_stream->sdev->dai_list, list) {
>> - if (!sof_dai->cpu_dai_name)
>> - continue;
>> + if (!swidget) {
>> + dev_err(swidget->scomp->dev, "error: No private data for widget %s\n", w->name);
>
> NULL pointer dereference, just return NULL without the print. The caller
> is printing anyways.

yes good catch, we need a v3 with the fixes suggested by Peter in
https://github.com/thesofproject/linux/pull/3171/ applied.

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