[alsa-devel] [PATCH v3 06/19] ASoC: soc-core: add soc_unbind_dai_link()

[Kuninori Morimoto]

Hi Pierre-Louis, again

> > Morimoto-san, this patch seems to introduce a regression in our SOF
> > module removal tests. Without a couple of load/unload modules cycles,
> > we hit a kernel oops while freeing the card.
> > 
> > see https://github.com/thesofproject/linux/issues/1466 for some logs.
> > 
> > This issue did not happen with our November 6 rebase on Mark's tree,
> > and showed up today. I couldn't really bisect the whole tree due to
> > other issues, so manually applied your patches on top of this 11/06
> > tree and bisected from there.
> > 
> > I will need to confirm this finding (it's quite late for me) but
> > looking at the code I wonder if the move of pcm_runtime deletion is
> > correct?
> 
> Hmm...
> It is just merged verbose 2 functions into 1,
> nothing changed from logic point of view
> if my understanding was correct.
> 
> And now, I tried unbind test for cpu/codec/card on my side,
> but nothing happen...
> 
> I'm using this commit
> 
> 	bc7a9091e5b927ecc20dbb3bc07a5a09783fc27b
> 	("ASoC: soc-core: add soc_unbind_dai_link()")

Does it happen from soc-topology.c :: remove_link ?

Thank you for your help !!
Best regards
---
Kuninori Morimoto