[alsa-devel] [PATCH] ALSA: ac97c: Fix an error handling path in 'atmel_ac97c_probe()'
Takashi Iwai
tiwai at suse.de
Thu Aug 31 12:49:17 CEST 2017
On Thu, 31 Aug 2017 12:37:16 +0200,
Mark Brown wrote:
>
> On Thu, Aug 31, 2017 at 12:23:14PM +0200, Takashi Iwai wrote:
>
> > Ah, wait, now I see your point. It was introduced by the very recent
> > patch through Mark's asoc tree (since it was wrongly labeled as "ASoC"
> > while it isn't). That patch looks indeed fishy. The change in
> > atmel_ac97c_resume() is also bad.
>
> The resume check looks fine? The function appears to do nothing other
> than the clk_prepare_enable().
Well, the patch behaves correctly but the code is ugly:
int ret = clk_prepare_enable(chip->pclk);
return ret;
> > So, I'd prefer reverting the wrong commit instead, and leave some
> > comment about the uselessness of clk_prepare_enable() return value
> > check.
>
> I'd rather keep the error checking there, it means that people don't
> need to open the code and verify it when they go scanning for potential
> problems.
OK.
Takashi
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