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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 11 Nov 2021 19:37:42 +0000
From:   Mauro Carvalho Chehab <mchehab@...nel.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Tsuchiya Yuto <kitakar@...il.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Nable <nable.maininbox@...glemail.com>,
        Fabio Aiuto <fabioaiuto83@...il.com>,
        "andrey.i.trufanov" <andrey.i.trufanov@...il.com>,
        Patrik Gfeller <patrik.gfeller@...il.com>,
        Hans de Goede <hdegoede@...hat.com>
Subject: Re: [PATCH 04/17] media: atomisp: pci: do not use err var when
 checking port validity for ISP2400

Em Thu, 11 Nov 2021 18:09:49 +0200
Andy Shevchenko <andriy.shevchenko@...ux.intel.com> escreveu:

> On Thu, Nov 11, 2021 at 11:34:23PM +0900, Tsuchiya Yuto wrote:
> > On Mon, 2021-11-01 at 14:10 +0000, Mauro Carvalho Chehab wrote:  
> > > Em Mon, 01 Nov 2021 22:38:55 +0900
> > > Tsuchiya Yuto <kitakar@...il.com> escreveu:  
> 
> ...
> 
> > The full output of the make error is here:
> > 
> >         ("NOTE: issue: some undeclared errors")
> >         https://github.com/kitakar5525/linux-kernel/commit/a932d16681f941161385659b9d0316a3a4975e86  
> 
> 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.

> 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.

Regards,
Mauro