Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6

drivers/net/wireless/ath/ath5k/base.c

@@ -3580,6 +3580,7 @@ ath5k_pci_probe(struct pci_dev *pdev,
 	common->ah = sc->ah;
 	common->hw = hw;
 	common->cachelsz = csz << 2; /* convert to bytes */
+	spin_lock_init(&common->cc_lock);
 
 	/* Initialize device */
 	ret = ath5k_hw_attach(sc);

drivers/net/wireless/ath/ath9k/ar9003_paprd.c

@@ -347,6 +347,10 @@ static bool create_pa_curve(u32 *data_L, u32 *data_U, u32 *pa_table, u16 *gain)
 	    (((Y[6] - Y[3]) * 1 << scale_factor) +
 	     (x_est[6] - x_est[3])) / (x_est[6] - x_est[3]);
 
+	/* prevent division by zero */
+	if (G_fxp == 0)
+		return false;
+
 	Y_intercept =
 	    (G_fxp * (x_est[0] - x_est[3]) +
 	     (1 << scale_factor)) / (1 << scale_factor) + Y[3];
@@ -356,14 +360,12 @@ static bool create_pa_curve(u32 *data_L, u32 *data_U, u32 *pa_table, u16 *gain)
 
 	for (i = 0; i <= 3; i++) {
 		y_est[i] = i * 32;
-
-		/* prevent division by zero */
-		if (G_fxp == 0)
-			return false;
-
 		x_est[i] = ((y_est[i] * 1 << scale_factor) + G_fxp) / G_fxp;
 	}
 
+	if (y_est[max_index] == 0)
+		return false;
+
 	x_est_fxp1_nonlin =
 	    x_est[max_index] - ((1 << scale_factor) * y_est[max_index] +
 				G_fxp) / G_fxp;
@@ -457,6 +459,8 @@ static bool create_pa_curve(u32 *data_L, u32 *data_U, u32 *pa_table, u16 *gain)
 
 	Q_scale_B = find_proper_scale(find_expn(abs(scale_B)), 10);
 	scale_B = scale_B / (1 << Q_scale_B);
+	if (scale_B == 0)
+		return false;
 	Q_beta = find_proper_scale(find_expn(abs(beta_raw)), 10);
 	Q_alpha = find_proper_scale(find_expn(abs(alpha_raw)), 10);
 	beta_raw = beta_raw / (1 << Q_beta);

drivers/net/wireless/ath/ath9k/beacon.c

@@ -370,7 +370,7 @@ void ath_beacon_tasklet(unsigned long data)
 			ath_print(common, ATH_DBG_BSTUCK,
 				  "beacon is officially stuck\n");
 			sc->sc_flags |= SC_OP_TSF_RESET;
-			ath_reset(sc, false);
+			ath_reset(sc, true);
 		}
 
 		return;

drivers/net/wireless/ath/ath9k/init.c

@@ -577,6 +577,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	common->hw = sc->hw;
 	common->priv = sc;
 	common->debug_mask = ath9k_debug;
+	spin_lock_init(&common->cc_lock);
 
 	spin_lock_init(&sc->wiphy_lock);
 	spin_lock_init(&sc->sc_resetlock);

drivers/net/wireless/ath/ath9k/main.c

@@ -182,6 +182,9 @@ static void ath_update_survey_stats(struct ath_softc *sc)
 	struct ath_cycle_counters *cc = &common->cc_survey;
 	unsigned int div = common->clockrate * 1000;
 
+	if (!ah->curchan)
+		return;
+
 	if (ah->power_mode == ATH9K_PM_AWAKE)
 		ath_hw_cycle_counters_update(common);
 
@@ -577,7 +580,7 @@ void ath_hw_check(struct work_struct *work)
 
 		msleep(1);
 	}
-	ath_reset(sc, false);
+	ath_reset(sc, true);
 
 out:
 	ath9k_ps_restore(sc);
@@ -595,7 +598,7 @@ void ath9k_tasklet(unsigned long data)
 	ath9k_ps_wakeup(sc);
 
 	if (status & ATH9K_INT_FATAL) {
-		ath_reset(sc, false);
+		ath_reset(sc, true);
 		ath9k_ps_restore(sc);
 		return;
 	}

drivers/net/wireless/ath/ath9k/xmit.c

@@ -673,6 +673,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_aggr(struct ath_softc *sc,
 	u16 aggr_limit = 0, al = 0, bpad = 0,
 		al_delta, h_baw = tid->baw_size / 2;
 	enum ATH_AGGR_STATUS status = ATH_AGGR_DONE;
+	struct ieee80211_tx_info *tx_info;
 
 	bf_first = list_first_entry(&tid->buf_q, struct ath_buf, list);
 
@@ -699,6 +700,11 @@ static enum ATH_AGGR_STATUS ath_tx_form_aggr(struct ath_softc *sc,
 			break;
 		}
 
+		tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
+		if (nframes && ((tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) ||
+			!(tx_info->control.rates[0].flags & IEEE80211_TX_RC_MCS)))
+			break;
+
 		/* do not exceed subframe limit */
 		if (nframes >= min((int)h_baw, ATH_AMPDU_SUBFRAME_DEFAULT)) {
 			status = ATH_AGGR_LIMITED;
@@ -2157,7 +2163,7 @@ static void ath_tx_complete_poll_work(struct work_struct *work)
 		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET,
 			  "tx hung, resetting the chip\n");
 		ath9k_ps_wakeup(sc);
-		ath_reset(sc, false);
+		ath_reset(sc, true);
 		ath9k_ps_restore(sc);
 	}
 

drivers/net/wireless/ath/carl9170/cmd.h

@@ -116,8 +116,9 @@ __regwrite_out :							\
 } while (0);
 
 
-#define carl9170_async_get_buf()					\
+#define carl9170_async_regwrite_get_buf()				\
 do {									\
+	__nreg = 0;							\
 	__cmd = carl9170_cmd_buf(__carl, CARL9170_CMD_WREG_ASYNC,	\
 				 CARL9170_MAX_CMD_PAYLOAD_LEN);		\
 	if (__cmd == NULL) {						\
@@ -128,38 +129,42 @@ do {									\
 
 #define carl9170_async_regwrite_begin(carl)				\
 do {									\
-	int __nreg = 0, __err = 0;					\
 	struct ar9170 *__carl = carl;					\
 	struct carl9170_cmd *__cmd;					\
-	carl9170_async_get_buf();					\
+	unsigned int __nreg;						\
+	int  __err = 0;							\
+	carl9170_async_regwrite_get_buf();				\
 
-#define carl9170_async_regwrite(r, v) do {				\
-	__cmd->wreg.regs[__nreg].addr = cpu_to_le32(r);			\
-	__cmd->wreg.regs[__nreg].val = cpu_to_le32(v);			\
-	__nreg++;							\
-	if ((__nreg >= PAYLOAD_MAX/2)) {				\
-		if (IS_ACCEPTING_CMD(__carl)) {				\
+#define carl9170_async_regwrite_flush()					\
+do {									\
+	if (__cmd == NULL || __nreg == 0)				\
+		break;							\
+									\
+	if (IS_ACCEPTING_CMD(__carl) && __nreg) {			\
 		__cmd->hdr.len = 8 * __nreg;				\
-			__err = __carl9170_exec_cmd(__carl, __cmd, true);\
+		__err = __carl9170_exec_cmd(__carl, __cmd, true);	\
 		__cmd = NULL;						\
-			carl9170_async_get_buf();			\
-		} else {						\
-			goto __async_regwrite_out;			\
+		break;							\
 	}								\
-		__nreg = 0;						\
-		if (__err)						\
 	goto __async_regwrite_out;					\
-	}								\
 } while (0)
 
-#define carl9170_async_regwrite_finish()				\
+#define carl9170_async_regwrite(r, v) do {				\
+	if (__cmd == NULL)						\
+		carl9170_async_regwrite_get_buf();			\
+	__cmd->wreg.regs[__nreg].addr = cpu_to_le32(r);			\
+	__cmd->wreg.regs[__nreg].val = cpu_to_le32(v);			\
+	__nreg++;							\
+	if ((__nreg >= PAYLOAD_MAX / 2))				\
+		carl9170_async_regwrite_flush();			\
+} while (0)
+
+#define carl9170_async_regwrite_finish() do {				\
 __async_regwrite_out :							\
-	if (__err == 0 && __nreg) {					\
-		__cmd->hdr.len = 8 * __nreg;				\
-		if (IS_ACCEPTING_CMD(__carl))				\
-			__err = __carl9170_exec_cmd(__carl, __cmd, true);\
-		__nreg = 0;						\
-	}
+	if (__cmd != NULL && __err == 0)				\
+		carl9170_async_regwrite_flush();			\
+	kfree(__cmd);							\
+} while (0)								\
 
 #define carl9170_async_regwrite_result()				\
 	__err;								\

drivers/net/wireless/ath/carl9170/main.c

@@ -639,8 +639,8 @@ static int carl9170_op_add_interface(struct ieee80211_hw *hw,
 		if (err)
 			goto unlock;
 	} else {
-		err = carl9170_mod_virtual_mac(ar, vif_id, vif->addr);
 		rcu_read_unlock();
+		err = carl9170_mod_virtual_mac(ar, vif_id, vif->addr);
 
 		if (err)
 			goto unlock;

drivers/net/wireless/ath/carl9170/usb.c

@@ -591,16 +591,23 @@ int __carl9170_exec_cmd(struct ar9170 *ar, struct carl9170_cmd *cmd,
 			const bool free_buf)
 {
 	struct urb *urb;
+	int err = 0;
 
-	if (!IS_INITIALIZED(ar))
-		return -EPERM;
+	if (!IS_INITIALIZED(ar)) {
+		err = -EPERM;
+		goto err_free;
+	}
 
-	if (WARN_ON(cmd->hdr.len > CARL9170_MAX_CMD_LEN - 4))
-		return -EINVAL;
+	if (WARN_ON(cmd->hdr.len > CARL9170_MAX_CMD_LEN - 4)) {
+		err = -EINVAL;
+		goto err_free;
+	}
 
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
-	if (!urb)
-		return -ENOMEM;
+	if (!urb) {
+		err = -ENOMEM;
+		goto err_free;
+	}
 
 	usb_fill_int_urb(urb, ar->udev, usb_sndintpipe(ar->udev,
 		AR9170_USB_EP_CMD), cmd, cmd->hdr.len + 4,
@@ -613,6 +620,12 @@ int __carl9170_exec_cmd(struct ar9170 *ar, struct carl9170_cmd *cmd,
 	usb_free_urb(urb);
 
 	return carl9170_usb_submit_cmd_urb(ar);
+
+err_free:
+	if (free_buf)
+		kfree(cmd);
+
+	return err;
 }
 
 int carl9170_exec_cmd(struct ar9170 *ar, const enum carl9170_cmd_oids cmd,

drivers/net/wireless/b43/phy_n.c

@@ -2964,7 +2964,7 @@ static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
 					(2 - i));
 		}
 
-		for (j = 0; i < 4; j++) {
+		for (j = 0; j < 4; j++) {
 			if (j < 3) {
 				cur_lna = lna[j];
 				cur_hpf1 = hpf1[j];

drivers/net/wireless/iwlwifi/iwl-agn-tx.c

@@ -1227,6 +1227,7 @@ static int iwlagn_tx_status_reply_compressed_ba(struct iwl_priv *priv,
 	struct ieee80211_tx_info *info;
 
 	if (unlikely(!agg->wait_for_ba))  {
+		if (unlikely(ba_resp->bitmap))
 			IWL_ERR(priv, "Received BA when not expected\n");
 		return -EINVAL;
 	}

drivers/net/wireless/wl1251/Makefile

 wl1251-objs		= main.o event.o tx.o rx.o ps.o cmd.o \
 			  acx.o boot.o init.o debugfs.o io.o
+wl1251_spi-objs		+= spi.o
+wl1251_sdio-objs	+= sdio.o
 
 obj-$(CONFIG_WL1251)		+= wl1251.o
-obj-$(CONFIG_WL1251_SPI)	+= spi.o
-obj-$(CONFIG_WL1251_SDIO)	+= sdio.o
+obj-$(CONFIG_WL1251_SPI)	+= wl1251_spi.o
+obj-$(CONFIG_WL1251_SDIO)	+= wl1251_sdio.o

net/mac80211/ibss.c

@@ -456,6 +456,7 @@ struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
 	if (!sta)
 		return NULL;
 
+	sta->last_rx = jiffies;
 	set_sta_flags(sta, WLAN_STA_AUTHORIZED);
 
 	/* make sure mandatory rates are always added */

net/mac80211/main.c

@@ -748,7 +748,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 		hw->queues = IEEE80211_MAX_QUEUES;
 
 	local->workqueue =
-		create_singlethread_workqueue(wiphy_name(local->hw.wiphy));
+		alloc_ordered_workqueue(wiphy_name(local->hw.wiphy), 0);
 	if (!local->workqueue) {
 		result = -ENOMEM;
 		goto fail_workqueue;
@@ -962,12 +962,6 @@ static void __exit ieee80211_exit(void)
 	rc80211_minstrel_ht_exit();
 	rc80211_minstrel_exit();
 
-	/*
-	 * For key todo, it'll be empty by now but the work
-	 * might still be scheduled.
-	 */
-	flush_scheduled_work();
-
 	if (mesh_allocated)
 		ieee80211s_stop();
 

net/mac80211/rate.c

@@ -329,6 +329,9 @@ void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
 		 * if needed.
 		 */
 		for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+			/* Skip invalid rates */
+			if (info->control.rates[i].idx < 0)
+				break;
 			/* Rate masking supports only legacy rates for now */
 			if (info->control.rates[i].flags & IEEE80211_TX_RC_MCS)
 				continue;

net/wireless/reg.c

@@ -1167,7 +1167,7 @@ static int ignore_request(struct wiphy *wiphy,
 				return 0;
 			return -EALREADY;
 		}
-		return REG_INTERSECT;
+		return 0;
 	case NL80211_REGDOM_SET_BY_DRIVER:
 		if (last_request->initiator == NL80211_REGDOM_SET_BY_CORE) {
 			if (regdom_changes(pending_request->alpha2))