mac80211: use oper_channel in managed mlme

[Linux-MTD Mailing List]

Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=568d6e289736c9c78cd8723aa81415daffafeff9
Commit:     568d6e289736c9c78cd8723aa81415daffafeff9
Parent:     273686d664daae1aa728b76e45720273b26dd876
Author:     Johannes Berg <johannes.berg at intel.com>
AuthorDate: Mon Jul 23 14:29:21 2012 +0200
Committer:  Johannes Berg <johannes.berg at intel.com>
CommitDate: Tue Jul 31 16:18:53 2012 +0200

    mac80211: use oper_channel in managed mlme
    
    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 at intel.com>
---
 net/mac80211/mlme.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 6820552..2657a56 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -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);