On Wed, 2012-06-20 at 10:40 -0400, Will Hawkins wrote:
>
> On 06/20/2012 01:32 AM, Johannes Berg wrote:
> > On Tue, 2012-06-19 at 17:59 -0400, Will Hawkins wrote:
> >> Track userspace registrations for authentication
> >> frames received on an IBSS interface. This field
> >> will be used to decide whether or not to send
> >> "open system" authentication frames when a new
> >> station joins an adhoc network.
> >>
> >> Signed-off-by: Will Hawkins <hawkinsw@xxxxxxxxxxxxxxxxxxxxx>
> >> ---
> >> net/mac80211/cfg.c | 10 ++++++++++
> >> net/mac80211/ieee80211_i.h | 1 +
> >> 2 files changed, 11 insertions(+)
> >>
> >> diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
> >> index 498c94e..e00a696 100644
> >> --- a/net/mac80211/cfg.c
> >> +++ b/net/mac80211/cfg.c
> >> @@ -2486,6 +2486,16 @@ static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
> >> u16 frame_type, bool reg)
> >> {
> >> struct ieee80211_local *local = wiphy_priv(wiphy);
> >> + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
> >> +
> >> + if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
> >> + (frame_type == (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH))) {
> >> + struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
> >> + if (reg)
> >> + ifibss->auth_frame_registrations++;
> >> + else if (reg > 0)
> >> + ifibss->auth_frame_registrations--;
> >
> > The "if (reg > 0)" here doesn't seem to make sense?
>
> Just trying to make sure that it doesn't go negative. I am protecting
> against unmatched unregisters.
reg is a bool, did you mean "if (ifibss->auth_frame_registrations > 0)"?
in any case, you don't really have to care about unmatched unregisters
as cfg80211 tracks all of them anyway.
johannes
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