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Re: [PATCH] cfg80211: fix start_radar_detection issue

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On Thu, 2014-05-15 at 09:51 +0000, Coelho, Luciano wrote:
> On Thu, 2014-05-15 at 11:39 +0200, Johannes Berg wrote:
> > On Thu, 2014-05-15 at 12:28 +0300, Eliad Peller wrote:
> > > On Wed, May 14, 2014 at 5:42 PM, Johannes Berg
> > > <johannes@xxxxxxxxxxxxxxxx> wrote:
> > > > On Wed, 2014-05-14 at 13:25 +0200, Janusz Dziedzic wrote:
> > > >> After patch:
> > > >> cfg80211/mac80211: refactor cfg80211_chandef_dfs_required()
> > > >>
> > > >> start_radar_detection always fail with -EINVAL.
> > > >
> > > > Applied, thanks.
> > > >
> > > probably a bit late, but i don't really see why passing
> > > NL80211_IFTYPE_UNSPECIFIED at all, instead of the iftype?
> > 
> > I did briefly wonder about the same, but decided Luca probably knew
> > better :)
> 
> Actually I also thought the same thing, but had the impression that
> there were cases when we wouldn't have the iftype when calling this.
> But now I checked both cases where we use NL80211_IFTYPE_UNSPECIFIED and
> it seems that we really don't need it.
> 
> I'll send a patch to fix this and revert Janusz's change (unless
> Johannes wants to rebase the mac80211-next tree).

Instead of just reverting Janusz's patch, I'll make
cfg80211_chandef_dfs_required() WARN if UNSPECIFIED is passed.

--
Luca.

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