Re: [PATCH] cfg80211: stop demanding lots of new stuff

[Hugh Dickins <hughd@google.com>]

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A familiar error, let's try to attach this time...

On Thu, 18 Jan 2018, Hugh Dickins wrote:
> On Thu, 18 Jan 2018, Johannes Berg wrote:
> > On Wed, 2018-01-17 at 14:55 -0800, Hugh Dickins wrote:
> > > "make oldconfig" from 4.14 (when CONFIG_CFG80211_CERTIFICATION_ONUS
> > > is not set) to 4.15-rc, gets into asking lots of new questions, and
> > > configuring in unwanted stuff: I'm unsure of my Kconfig skills, but
> > > it looks like CFG80211_REQUIRE_SIGNED_REGDB's "default y" needs to
> > > be toned down when we don't even have CFG80211_CERTIFICATION_ONUS.
> > 
> > No, this is wrong - we want default configurations to be able to load a
> > signed regulatory database and validate the signature.
> 
> Great to enable that, but not so great to force new stuff on everyone.
> It doesn't surprise me at all if the patch here is the wrong one,
> but something needs to be done differently in this configuration.
> 
> Perhaps you did not try on a system without SYSTEM_DATA_VERIFICATION
> already enabled - that "select SYSTEM_DATA_VERIFICATION" seems to be
> taking effect even when CFG80211_REQUIRE_SIGNED_REGDB is not enabled,
> and pulls in a boatload.  I agree that seems strange: perhaps the
> Kconfig problem is somewhere else entirely.
> 
> Attached my old 4.14 config, so you can see for yourself - thanks.
> 
> In fact, I cannot even build the resulting config, without scurrying
> around to update userspace with stuff I never needed before:
> 
>   HOSTCC  scripts/extract-cert
> scripts/extract-cert.c:21:25: fatal error: openssl/bio.h: No such file or directory
> 
> Hugh
> 
> > 
> > johannes
> > 
> > > 
> > > Signed-off-by: Hugh Dickins <hughd@google.com>
> > > ---
> > > 
> > >  net/wireless/Kconfig |    2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > --- 4.15-rc8/net/wireless/Kconfig	2017-12-03 10:22:51.928845056 -0800
> > > +++ linux/net/wireless/Kconfig	2018-01-14 19:20:22.595472965 -0800
> > > @@ -89,7 +89,7 @@ config CFG80211_CERTIFICATION_ONUS
> > >  
> > >  config CFG80211_REQUIRE_SIGNED_REGDB
> > >  	bool "require regdb signature" if CFG80211_CERTIFICATION_ONUS
> > > -	default y
> > > +	default CFG80211_CERTIFICATION_ONUS
> > >  	select SYSTEM_DATA_VERIFICATION
> > >  	help
> > >  	  Require that in addition to the "regulatory.db" file a

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