[PATCH 1/4] ASoC: soc-dapm.c: don't use kzalloc() for param on snd_soc_dai_link_event_pre_pmu()

[Kuninori Morimoto]

Hi Mark

> > Current snd_soc_dai_link_event_pre_pmu() is using kzalloc() / kfree()
> > for "params", but it is fixed size, and not used on private data.
> > It is used for setup rtd at end of this function, just a local variable.
> > We don't need to use kzalloc() / kfree() for it.
> > This patch replace it as local variable.
> 
> The reason we're allocating it dynamically is that it's quite large (608
> bytes on arm64) and is starting to get a bit excessive for allocation on
> the stack, especially when you're building with some of the KASAN type
> stuff that increases stack usage.

Oh, I see.
Thank you for clearing the reason.
I think it is very nice to have such comment on the code.

Thank you for your help !!

Best regards
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Kuninori Morimoto