3 files changed, 16 insertions, 12 deletions

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index c7314bf..006486b 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -899,7 +899,7 @@ extern const struct iw_handler_def ieee80211_iw_handler_def;
 
 
 /* ieee80211_ioctl.c */
-int ieee80211_set_freq(struct ieee80211_local *local, int freq);
+int ieee80211_set_freq(struct net_device *dev, int freq);
 /* ieee80211_sta.c */
 void ieee80211_sta_timer(unsigned long data);
 void ieee80211_sta_work(struct work_struct *work);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index affe42f..4d2b582 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2359,13 +2359,10 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
 	sdata->drop_unencrypted = bss->capability &
 		WLAN_CAPABILITY_PRIVACY ? 1 : 0;
 
-	res = ieee80211_set_freq(local, bss->freq);
+	res = ieee80211_set_freq(dev, bss->freq);
 
-	if (local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS) {
-		printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
-		       "%d MHz\n", dev->name, local->oper_channel->center_freq);
-		return -1;
-	}
+	if (res)
+		return res;
 
 	/* Set beacon template */
 	skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
@@ -3491,7 +3488,7 @@ static int ieee80211_sta_config_auth(struct net_device *dev,
 	spin_unlock_bh(&local->sta_bss_lock);
 
 	if (selected) {
-		ieee80211_set_freq(local, selected->freq);
+		ieee80211_set_freq(dev, selected->freq);
 		if (!(ifsta->flags & IEEE80211_STA_SSID_SET))
 			ieee80211_sta_set_ssid(dev, selected->ssid,
 					       selected->ssid_len);
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 8311bb2..a8bb8e3 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -290,14 +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)
@@ -315,7 +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)
@@ -329,14 +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;
 	}