Re: [PATCH -next] ASoC: sun4i-i2s: Use PTR_ERR_OR_ZERO in sun4i_i2s_init_regmap_fields()

From: Mark Brown
Date: Thu Aug 22 2019 - 10:41:54 EST


On Thu, Aug 22, 2019 at 10:34:37PM +0800, Yuehaibing wrote:
> On 2019/8/22 22:18, Maxime Ripard wrote:
> > On Thu, Aug 22, 2019 at 06:52:52AM +0000, YueHaibing wrote:

> >> - if (IS_ERR(i2s->field_fmt_sr))
> >> - return PTR_ERR(i2s->field_fmt_sr);
> >> -
> >> - return 0;
> >> + return PTR_ERR_OR_ZERO(i2s->field_fmt_sr);

> > I'm not really convinced that this more readable or more maintainable
> > though. Is there a reason for this other than we can do it?

> No special reason, just suggested by scripts/coccinelle/api/ptr_ret.cocci

Which is a bit of a reason in itself since it'll save other people
looking at the same thing though with a return like this I have to agree
with Maxime a bit and question if the coccinelle script is really a good
idea.

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