[IA64] Eliminate NULL test after alloc_bootmem in iosapic_alloc_rte()

[linux-2.6-omap-h63xx.git] / net / mac80211 / wext.c

diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 69aed16faff311482a4767d928f0e3a168945045..6106cb79060c928f65e7d5a5d2154f280b55bf5f 100644 (file)
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -209,7 +209,6 @@ static int ieee80211_ioctl_giwrange(struct net_device *dev,
        range->num_frequency = c;
 
        IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
-       IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
        IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
        IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
 
@@ -236,6 +235,9 @@ static int ieee80211_ioctl_siwmode(struct net_device *dev,
        case IW_MODE_ADHOC:
                type = IEEE80211_IF_TYPE_IBSS;
                break;
+       case IW_MODE_REPEAT:
+               type = IEEE80211_IF_TYPE_WDS;
+               break;
        case IW_MODE_MONITOR:
                type = IEEE80211_IF_TYPE_MNTR;
                break;
@@ -288,14 +290,22 @@ static int ieee80211_ioctl_giwmode(struct net_device *dev,
        return 0;
 }
 
-int ieee80211_set_freq(struct ieee80211_local *local, int freqMHz)
+int ieee80211_set_freq(struct net_device *dev, int freqMHz)
 {
        int ret = -EINVAL;
        struct ieee80211_channel *chan;
+       struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+       struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
        chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
 
        if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
+               if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
+                   chan->flags & IEEE80211_CHAN_NO_IBSS) {
+                       printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
+                               "%d MHz\n", dev->name, chan->center_freq);
+                       return ret;
+               }
                local->oper_channel = chan;
 
                if (local->sta_sw_scanning || local->sta_hw_scanning)
@@ -313,7 +323,6 @@ static int ieee80211_ioctl_siwfreq(struct net_device *dev,
                                   struct iw_request_info *info,
                                   struct iw_freq *freq, char *extra)
 {
-       struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
        if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
@@ -327,14 +336,14 @@ static int ieee80211_ioctl_siwfreq(struct net_device *dev,
                                        IEEE80211_STA_AUTO_CHANNEL_SEL;
                        return 0;
                } else
-                       return ieee80211_set_freq(local,
+                       return ieee80211_set_freq(dev,
                                ieee80211_channel_to_frequency(freq->m));
        } else {
                int i, div = 1000000;
                for (i = 0; i < freq->e; i++)
                        div /= 10;
                if (div > 0)
-                       return ieee80211_set_freq(local, freq->m / div);
+                       return ieee80211_set_freq(dev, freq->m / div);
                else
                        return -EINVAL;
        }
@@ -487,9 +496,15 @@ static int ieee80211_ioctl_giwap(struct net_device *dev,
        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
            sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
-               ap_addr->sa_family = ARPHRD_ETHER;
-               memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
-               return 0;
+               if (sdata->u.sta.state == IEEE80211_ASSOCIATED ||
+                   sdata->u.sta.state == IEEE80211_IBSS_JOINED) {
+                       ap_addr->sa_family = ARPHRD_ETHER;
+                       memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
+                       return 0;
+               } else {
+                       memset(&ap_addr->sa_data, 0, ETH_ALEN);
+                       return 0;
+               }
        } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
                ap_addr->sa_family = ARPHRD_ETHER;
                memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
@@ -980,6 +995,8 @@ static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct sta_info *sta = NULL;
 
+       rcu_read_lock();
+
        if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
            sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
                sta = sta_info_get(local, sdata->u.sta.bssid);
@@ -996,6 +1013,9 @@ static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev
                wstats->qual.noise = sta->last_noise;
                wstats->qual.updated = local->wstats_flags;
        }
+
+       rcu_read_unlock();
+
        return wstats;
 }