On Thu, Sep 23, 2021 at 4:04 PM Péter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx> wrote: > > > > On 23/09/2021 15:58, Pierre-Louis Bossart wrote: > > > >>> +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. > > Only the second patch in the PR is applicable for upstream, but it > should be squashed in for v3. Thanks Peter, will squash this in and send v3.