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mac80211: use oper_channel in managed mlme

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Using hw.conf.channel is wrong as it could be the
temporary channel if any function like the beacon
get function is called while scanning or during
other temporary out-of-channel activities.

Use oper_channel instead.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2012-07-23 14:29:21 +02:00
parent 273686d664
commit 568d6e2897
1 changed files with 6 additions and 6 deletions
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12
net/mac80211/mlme.c
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@ -185,15 +185,15 @@ static u32 ieee80211_config_ht_tx(struct ieee80211_sub_if_data *sdata,
u16 ht_opmode;
bool disable_40 = false;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
sband = local->hw.wiphy->bands[local->oper_channel->band];
switch (sdata->vif.bss_conf.channel_type) {
case NL80211_CHAN_HT40PLUS:
if (local->hw.conf.channel->flags & IEEE80211_CHAN_NO_HT40PLUS)
if (local->oper_channel->flags & IEEE80211_CHAN_NO_HT40PLUS)
disable_40 = true;
break;
case NL80211_CHAN_HT40MINUS:
if (local->hw.conf.channel->flags & IEEE80211_CHAN_NO_HT40MINUS)
if (local->oper_channel->flags & IEEE80211_CHAN_NO_HT40MINUS)
disable_40 = true;
break;
default:
@ -1274,7 +1274,7 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
}
use_short_slot = !!(capab & WLAN_CAPABILITY_SHORT_SLOT_TIME);
if (sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ)
if (sdata->local->oper_channel->band == IEEE80211_BAND_5GHZ)
use_short_slot = true;
if (use_protection != bss_conf->use_cts_prot) {
@ -2364,7 +2364,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (baselen > len)
return;
if (rx_status->freq != local->hw.conf.channel->center_freq)
if (rx_status->freq != local->oper_channel->center_freq)
return;
if (ifmgd->assoc_data && !ifmgd->assoc_data->have_beacon &&
@ -2528,7 +2528,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
!(ifmgd->flags & IEEE80211_STA_DISABLE_11N)) {
struct ieee80211_supported_band *sband;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
sband = local->hw.wiphy->bands[local->oper_channel->band];
changed |= ieee80211_config_ht_tx(sdata, elems.ht_operation,
bssid, true);