mac80211: use oper_channel in ibss
authorJohannes Berg <johannes.berg@intel.com>
Mon, 23 Jul 2012 12:29:21 +0000 (14:29 +0200)
committerJohannes Berg <johannes.berg@intel.com>
Tue, 31 Jul 2012 14:18:52 +0000 (16:18 +0200)
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>
net/mac80211/ibss.c

index 5746d62..d062085 100644 (file)
@@ -205,7 +205,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
        mod_timer(&ifibss->timer,
                  round_jiffies(jiffies + IEEE80211_IBSS_MERGE_INTERVAL));
 
-       bss = cfg80211_inform_bss_frame(local->hw.wiphy, local->hw.conf.channel,
+       bss = cfg80211_inform_bss_frame(local->hw.wiphy, chan,
                                        mgmt, skb->len, 0, GFP_KERNEL);
        cfg80211_put_bss(bss);
        netif_carrier_on(sdata->dev);
@@ -294,7 +294,7 @@ ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
        struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
        struct ieee80211_local *local = sdata->local;
        struct sta_info *sta;
-       int band = local->hw.conf.channel->band;
+       int band = local->oper_channel->band;
 
        /*
         * XXX: Consider removing the least recently used entry and
@@ -561,7 +561,7 @@ void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
        struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
        struct ieee80211_local *local = sdata->local;
        struct sta_info *sta;
-       int band = local->hw.conf.channel->band;
+       int band = local->oper_channel->band;
 
        /*
         * XXX: Consider removing the least recently used entry and
@@ -759,7 +759,7 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
                                return;
                        }
                        sdata_info(sdata, "IBSS not allowed on %d MHz\n",
-                                  local->hw.conf.channel->center_freq);
+                                  local->oper_channel->center_freq);
 
                        /* No IBSS found - decrease scan interval and continue
                         * scanning. */