Re: [PATCH 04/17] media: atomisp: pci: do not use err var when checking port validity for ISP2400

[Andy Shevchenko]

On Thu, Nov 11, 2021 at 9:41 PM Mauro Carvalho Chehab
<mchehab@xxxxxxxxxx> wrote:
> Em Thu, 11 Nov 2021 18:09:49 +0200
> Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> escreveu:
> > On Thu, Nov 11, 2021 at 11:34:23PM +0900, Tsuchiya Yuto wrote:

...

> > I just realize that we may do at some point
> >
> > cflags-y += -Werror
> >
> > to avoid changes that breaks build (with warnings).
>
> No need. Upstream already added Werror. It is just a matter of
> adding:
>
>         CONFIG_WERROR=y
>
> to .config.

Unfortunately this is not gonna work with `make W=1`.
https://lore.kernel.org/lkml/CAHp75Vef8QW3Y0yA702KUqPDHNRLN0kCv06=cgPpgPbUeAb-dw@xxxxxxxxxxxxxx/T/#u

> > And also I would suggest
> > to run build with `make W=1 C=1 CF=-D__CHECK_ENDIAN__ ...`
>
> Yeah, that's good. On media, we also require no (unjustified) sparse
> and smatch warnings.

-- 
With Best Regards,
Andy Shevchenko