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: (34 commits)
  net: fix build erros with CONFIG_BUG=n, CONFIG_GENERIC_BUG=n
  ipv6: skb_dst() can be NULL in ipv6_hop_jumbo().
  tg3: Update copyright and driver version
  tg3: Disable 5717 serdes and B0 support
  tg3: Add reliable serdes detection for 5717 A0
  tg3: Fix std rx prod ring handling
  tg3: Fix std prod ring nicaddr for 5787 and 57765
  sfc: Fix conditions for MDIO self-test
  sfc: Fix polling for slow MCDI operations
  e1000e: workaround link issues on busy hub in half duplex on 82577/82578
  e1000e: MDIO slow mode should always be done for 82577
  ixgbe: update copyright dates
  ixgbe: Do not attempt to perform interrupts in netpoll when down
  cfg80211: fix refcount imbalance when wext is disabled
  mac80211: fix queue selection for data frames on monitor interfaces
  iwlwifi: silence buffer overflow warning
  iwlwifi: disable tx on beacon update notification
  iwlwifi: fix iwl_queue_used bug when read_ptr == write_ptr
  mac80211: fix endian error
  mac80211: add missing sanity checks for action frames
  ...

3 files changed, 27 insertions, 22 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 484c5fd..9b4b8b5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -1961,7 +1961,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
 	struct ieee80211_tx_info *info;
 	struct iwl4965_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
 	u32  status = le32_to_cpu(tx_resp->u.status);
-	int tid = MAX_TID_COUNT;
+	int uninitialized_var(tid);
 	int sta_id;
 	int freed;
 	u8 *qc = NULL;
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 574d366..5461f10 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2344,6 +2344,21 @@ static void iwl_ht_conf(struct iwl_priv *priv,
 	IWL_DEBUG_MAC80211(priv, "leave\n");
 }
 
+static inline void iwl_set_no_assoc(struct iwl_priv *priv)
+{
+	priv->assoc_id = 0;
+	iwl_led_disassociate(priv);
+	/*
+	 * inform the ucode that there is no longer an
+	 * association and that no more packets should be
+	 * sent
+	 */
+	priv->staging_rxon.filter_flags &=
+		~RXON_FILTER_ASSOC_MSK;
+	priv->staging_rxon.assoc_id = 0;
+	iwlcore_commit_rxon(priv);
+}
+
 #define IWL_DELAY_NEXT_SCAN_AFTER_ASSOC (HZ*6)
 void iwl_bss_info_changed(struct ieee80211_hw *hw,
 			  struct ieee80211_vif *vif,
@@ -2475,20 +2490,8 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 					IWL_DELAY_NEXT_SCAN_AFTER_ASSOC;
 			if (!iwl_is_rfkill(priv))
 				priv->cfg->ops->lib->post_associate(priv);
-		} else {
-			priv->assoc_id = 0;
-			iwl_led_disassociate(priv);
-
-			/*
-			 * inform the ucode that there is no longer an
-			 * association and that no more packets should be
-			 * send
-			 */
-			priv->staging_rxon.filter_flags &=
-				~RXON_FILTER_ASSOC_MSK;
-			priv->staging_rxon.assoc_id = 0;
-			iwlcore_commit_rxon(priv);
-		}
+		} else
+			iwl_set_no_assoc(priv);
 	}
 
 	if (changes && iwl_is_associated(priv) && priv->assoc_id) {
@@ -2503,12 +2506,14 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 		}
 	}
 
-	if ((changes & BSS_CHANGED_BEACON_ENABLED) &&
-	    vif->bss_conf.enable_beacon) {
-		memcpy(priv->staging_rxon.bssid_addr,
-		       bss_conf->bssid, ETH_ALEN);
-		memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
-		iwlcore_config_ap(priv);
+	if (changes & BSS_CHANGED_BEACON_ENABLED) {
+		if (vif->bss_conf.enable_beacon) {
+			memcpy(priv->staging_rxon.bssid_addr,
+			       bss_conf->bssid, ETH_ALEN);
+			memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
+			iwlcore_config_ap(priv);
+		} else
+			iwl_set_no_assoc(priv);
 	}
 
 	mutex_unlock(&priv->mutex);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 165d1f6..3822cf5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -711,7 +711,7 @@ extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
 extern int iwl_queue_space(const struct iwl_queue *q);
 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
 {
-	return q->write_ptr > q->read_ptr ?
+	return q->write_ptr >= q->read_ptr ?
 		(i >= q->read_ptr && i < q->write_ptr) :
 		!(i < q->read_ptr && i >= q->write_ptr);
 }