linux-kernel - Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <20070622153253.GW5193@alberich.amd.com>
Date:	Fri, 22 Jun 2007 17:32:53 +0200
From:	"Andreas Herrmann" <andreas.herrmann3@....com>
To:	"Mauro Carvalho Chehab" <mchehab@...radead.org>
cc:	"Jan Engelhardt" <jengelh@...putergmbh.de>,
	"Roman Zippel" <zippel@...ux-m68k.org>,
	"Oliver Neukum" <oneukum@...e.de>,
	linux-usb-devel@...ts.sourceforge.net, video4linux-list@...hat.com,
	"Toralf Förster" <toralf.foerster@....de>,
	luca.risolia@...dio.unibo.it, "LKML" <linux-kernel@...r.kernel.org>
Subject: Re: Kconfig troubles when using menuconfig - Was: [patch]Re:
 [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in
 zc0301_core.c

On Fri, Jun 22, 2007 at 12:03:19PM -0300, Mauro Carvalho Chehab wrote:
> Em Sex, 2007-06-22 às 15:51 +0200, Jan Engelhardt escreveu:
> > On Jun 22 2007 15:46, Andreas Herrmann wrote:
> > >Hi,
> > >
> > >I am not sure whether it is related or not
> > >But if you select USB as module but build your v4l_usb driver
> > >into the kernel you also get compile errors.
> > >Attached is a patch which will prevent this by changing the menuconfig
> > >from bool to tristate.
> 
> 
> > A config option that is not referenced in the Makefile...
> > should it really be a tristate? In my opinion, changing it
> > to tristate is just a workaround, but I don't know kconfig
> > well enough to make bool Do The Right Thing in these situations myself :(
> 
> If USB is built as a module, the V4L USB modules should also be built as
> a module. Otherwise, you will have compile errors, since some required
> symbols on the drivers won't be linked into the kernel.
> 

Sure.

And the patch should prevent user selection of such
a broken kernel configuration.

Regards,

Andreas

-- 
Operating | AMD Saxony Limited Liability Company & Co. KG,
  System  | Wilschdorfer Landstr. 101, 01109 Dresden, Germany
 Research | Register Court Dresden: HRA 4896, General Partner authorized
  Center  | to represent: AMD Saxony LLC (Wilmington, Delaware, US)
  (OSRC)  | General Manager of AMD Saxony LLC: Dr. Hans-R. Deppe, Thomas McCoy



-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/