linux-kernel - Re: [PATCH 1/2] cfg80211: 802.11p OCB mode handling

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Date:	Fri, 31 Oct 2014 16:12:40 +0100
From:	Rostislav Lisovy <lisovy@...il.com>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
	Michal Sojka <sojkam1@....cvut.cz>, s.sander@...dsys.de,
	jan-niklas.meier@...kswagen.de, burak.simsek@...kswagen.de,
	Emmanuel Thierry <emmanuel.thierry@...oko.fr>,
	laszlo.virag@...msignia.com,
	Rostislav Lisovy <rostislav.lisovy@....cvut.cz>
Subject: Re: [PATCH 1/2] cfg80211: 802.11p OCB mode handling

On Fri, 2014-10-31 at 14:13 +0100, Johannes Berg wrote:
> On Thu, 2014-10-30 at 11:42 +0100, Rostislav Lisovy wrote:
> > @@ -2093,6 +2102,7 @@ enum nl80211_iftype {
> >  	NL80211_IFTYPE_P2P_CLIENT,
> >  	NL80211_IFTYPE_P2P_GO,
> >  	NL80211_IFTYPE_P2P_DEVICE,
> > +	NL80211_IFTYPE_OCB,
> 
> This is causing a bunch of compiler warnings (warning: enumeration value
> ‘NL80211_IFTYPE_OCB’ not handled in switch, e.g. in mac80211/iface.c)
> which I think you should address in this patch. That'll mean that you
> modify even mac80211 and potentially some drivers, but I think that's
> the right thing to do in this patch since it's the one changing the API
> to introduce the new value.

I was aware of the warnings but thought this is the chicken-egg problem
which can't be solved properly.
Fortunately there is no driver affected.

> I think there's one thing you forgot in this patch, namely
> __cfg80211_leave() which you also need to make the __ version of the
> leave function non-static for due to locking.

Correct. Adding to the next version of the patchset.

Thank you;
Rostislav

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