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mac80211: clean up channel use in ieee80211_config_ht_tx 

The channel use is confusing, some uses the channel
context and some the bss_conf.chandef. The latter is
fine, so get rid of the channel context part.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2013-02-08 13:15:55 +01:00
parent 08e6effa11
commit f2d9330ee8
1 changed files with 3 additions and 11 deletions
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14
net/mac80211/mlme.c
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@ -181,7 +181,6 @@ static u32 ieee80211_config_ht_tx(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
struct ieee80211_chanctx_conf *chanctx_conf;
struct ieee80211_channel *chan;
u32 changed = 0;
u16 ht_opmode;
@ -190,23 +189,16 @@ static u32 ieee80211_config_ht_tx(struct ieee80211_sub_if_data *sdata,
if (WARN_ON_ONCE(!sta))
return 0;
rcu_read_lock();
chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
if (WARN_ON(!chanctx_conf)) {
rcu_read_unlock();
return 0;
}
chan = chanctx_conf->def.chan;
rcu_read_unlock();
chan = sdata->vif.bss_conf.chandef.chan;
sband = local->hw.wiphy->bands[chan->band];
switch (sdata->vif.bss_conf.chandef.width) {
case NL80211_CHAN_WIDTH_40:
if (sdata->vif.bss_conf.chandef.chan->center_freq >
if (chan->center_freq >
sdata->vif.bss_conf.chandef.center_freq1 &&
chan->flags & IEEE80211_CHAN_NO_HT40MINUS)
disable_40 = true;
if (sdata->vif.bss_conf.chandef.chan->center_freq <
if (chan->center_freq <
sdata->vif.bss_conf.chandef.center_freq1 &&
chan->flags & IEEE80211_CHAN_NO_HT40PLUS)
disable_40 = true;