Re: [PATCH] iwlwifi: mei: fix building iwlmei

From: Coelho, Luciano
Date: Thu Mar 17 2022 - 07:07:07 EST


On Wed, 2022-03-16 at 18:55 +0000, Grumbach, Emmanuel wrote:
> >
> > From: Arnd Bergmann <arnd@xxxxxxxx>
> >
> > Building iwlmei without CONFIG_CFG80211 causes a link-time warning:
> >
> > ld.lld: error: undefined symbol: ieee80211_hdrlen
> > > > > referenced by net.c
> > > > >
> > > > > net/wireless/intel/iwlwifi/mei/net.o:(iwl_mei_tx_copy_to_csme
> > > > > ) in
> > > > > archive drivers/built-in.a
> >
> > Add an explicit dependency to avoid this. In theory it should not
> > be needed
> > here, but it also seems pointless to allow IWLMEI for
> > configurations without
> > CFG80211.
> >
> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> > ---
> >  drivers/net/wireless/intel/iwlwifi/Kconfig | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > I see this warning on 5.17-rc8, but did not test it on linux-next,
> > which may
> > already have a fix.
> >
> > diff --git a/drivers/net/wireless/intel/iwlwifi/Kconfig
> > b/drivers/net/wireless/intel/iwlwifi/Kconfig
> > index 85e704283755..a647a406b87b 100644
> > --- a/drivers/net/wireless/intel/iwlwifi/Kconfig
> > +++ b/drivers/net/wireless/intel/iwlwifi/Kconfig
> > @@ -139,6 +139,7 @@ config IWLMEI
> >   tristate "Intel Management Engine communication over WLAN"
> >   depends on INTEL_MEI
> >   depends on PM
> > + depends on CFG80211
> >   help
> >   Enables the iwlmei kernel module.
> >
>
> FWIW: Luca just merged the exact same patch internally. So
> Acked-by: Emmanuel Grumbach <Emmanuel.grumbach@xxxxxxxxx>

Yeah, please take this.

Acked-by: Luca Coelho <luciano.coelho@xxxxxxxxx>

--
Cheers,
Luca.