Re: [PATCH] drm: Reduce scope of 'state' variable

From: Dawid Kurek
Date: Thu Jun 15 2017 - 12:57:03 EST


On 15/06/17, Jani Nikula wrote:
> On Thu, 15 Jun 2017, Dawid Kurek <dawikur@xxxxxxxxx> wrote:
> > On 15/06/17, Jani Nikula wrote:
> >> Separate declaration and initialization would lead to a cleaner patch
> >> and result.
> >
> > I saw combining declaration and initialization is quite common, i.e. in
> > drm_atomic file. Personally, I also prefer those in one statement. But yes, it
> > looks cleaner here, in two lines.
>
> I'd say the rule of thumb is that combined declaration and
> initialization is fine if the initialization is trivial, in particular
> can never fail. If you need to check the return value, like in this
> case, I'd prefer separate initialization.
>
Yeah, makes sense. If you need to check then it exceeds simple initialization,
and then it is not declare&initialize. Yes, now I see it.

Thanks a lot,
Dawid

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