Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (108 commits)
  bridge: ensure to unlock in error path in br_multicast_query().
  drivers/net/tulip/eeprom.c: fix bogus "(null)" in tulip init messages
  sky2: Avoid rtnl_unlock without rtnl_lock
  ipv6: Send netlink notification when DAD fails
  drivers/net/tg3.c: change the field used with the TG3_FLAG_10_100_ONLY constant
  ipconfig: Handle devices which take some time to come up.
  mac80211: Fix memory leak in ieee80211_if_write()
  mac80211: Fix (dynamic) power save entry
  ipw2200: use kmalloc for large local variables
  ath5k: read eeprom IQ calibration values correctly for G mode
  ath5k: fix I/Q calibration (for real)
  ath5k: fix TSF reset
  ath5k: use fixed antenna for tx descriptors
  libipw: split ieee->networks into small pieces
  mac80211: Fix sta_mtx unlocking on insert STA failure path
  rt2x00: remove KSEG1ADDR define from rt2x00soc.h
  net: add ColdFire support to the smc91x driver
  asix: fix setting mac address for AX88772
  ipv6 ip6_tunnel: eliminate unused recursion field from ip6_tnl{}.
  net: Fix dev_mc_add()
  ...

4 files changed, 35 insertions, 13 deletions

diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 9affe2c..b4ddb2f 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -48,20 +48,24 @@ static ssize_t ieee80211_if_write(
 	ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
 {
 	u8 *buf;
-	ssize_t ret = -ENODEV;
+	ssize_t ret;
 
-	buf = kzalloc(count, GFP_KERNEL);
+	buf = kmalloc(count, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 
+	ret = -EFAULT;
 	if (copy_from_user(buf, userbuf, count))
-		return -EFAULT;
+		goto freebuf;
 
+	ret = -ENODEV;
 	rtnl_lock();
 	if (sdata->dev->reg_state == NETREG_REGISTERED)
 		ret = (*write)(sdata, buf, count);
 	rtnl_unlock();
 
+freebuf:
+	kfree(buf);
 	return ret;
 }
 
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 41812a1..be5f723 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -177,7 +177,8 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
 		sta = sta_info_get(sdata, bssid);
 		if (sta)
 			rate_control_rate_update(local, sband, sta,
-						 IEEE80211_RC_HT_CHANGED);
+						 IEEE80211_RC_HT_CHANGED,
+						 local->oper_channel_type);
 		rcu_read_unlock();
         }
 
@@ -435,10 +436,12 @@ static void ieee80211_enable_ps(struct ieee80211_local *local,
 		if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
 			ieee80211_send_nullfunc(local, sdata, 1);
 
-		if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) {
-			conf->flags |= IEEE80211_CONF_PS;
-			ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
-		}
+		if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
+		    (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS))
+			return;
+
+		conf->flags |= IEEE80211_CONF_PS;
+		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
 	}
 }
 
@@ -557,7 +560,8 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
 	    (!(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)))
 		ieee80211_send_nullfunc(local, sdata, 1);
 
-	if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) ||
+	if (!((local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) &&
+	      (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)) ||
 	    (ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) {
 		ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
 		local->hw.conf.flags |= IEEE80211_CONF_PS;
@@ -1893,8 +1897,20 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 
 	mutex_lock(&ifmgd->mtx);
 	if (ifmgd->associated) {
-		mutex_unlock(&ifmgd->mtx);
-		return -EALREADY;
+		if (!req->prev_bssid ||
+		    memcmp(req->prev_bssid, ifmgd->associated->bssid,
+			   ETH_ALEN)) {
+			/*
+			 * We are already associated and the request was not a
+			 * reassociation request from the current BSS, so
+			 * reject it.
+			 */
+			mutex_unlock(&ifmgd->mtx);
+			return -EALREADY;
+		}
+
+		/* Trying to reassociate - clear previous association state */
+		ieee80211_set_disassoc(sdata);
 	}
 	mutex_unlock(&ifmgd->mtx);
 
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index b6108bc..065a9619 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -66,7 +66,8 @@ static inline void rate_control_rate_init(struct sta_info *sta)
 
 static inline void rate_control_rate_update(struct ieee80211_local *local,
 				    struct ieee80211_supported_band *sband,
-				    struct sta_info *sta, u32 changed)
+				    struct sta_info *sta, u32 changed,
+				    enum nl80211_channel_type oper_chan_type)
 {
 	struct rate_control_ref *ref = local->rate_ctrl;
 	struct ieee80211_sta *ista = &sta->sta;
@@ -74,7 +75,7 @@ static inline void rate_control_rate_update(struct ieee80211_local *local,
 
 	if (ref && ref->ops->rate_update)
 		ref->ops->rate_update(ref->priv, sband, ista,
-				      priv_sta, changed);
+				      priv_sta, changed, oper_chan_type);
 }
 
 static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 211c475..56422d8 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -434,6 +434,7 @@ int sta_info_insert_rcu(struct sta_info *sta) __acquires(RCU)
 	/* check if STA exists already */
 	if (sta_info_get_bss(sdata, sta->sta.addr)) {
 		spin_unlock_irqrestore(&local->sta_lock, flags);
+		mutex_unlock(&local->sta_mtx);
 		rcu_read_lock();
 		err = -EEXIST;
 		goto out_free;