11 files changed, 76 insertions, 24 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 9507b4207512..c331ba391e10 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2489,6 +2489,12 @@ M:	mtk.manpages@gmail.com
 W:      ftp://ftp.kernel.org/pub/linux/docs/manpages
 S:      Maintained
 
+MARVELL LIBERTAS WIRELESS DRIVER
+P:      Dan Williams
+M:      dcbw@redhat.com
+L:      libertas-dev@lists.infradead.org
+S:      Maintained
+
 MARVELL MV643XX ETHERNET DRIVER
 P:      Dale Farnsworth
 M:      dale@farnsworth.org
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index 2b733c582915..5583719a0dca 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -264,6 +264,7 @@ config IPW2200_DEBUG
 config LIBERTAS
         tristate "Marvell 8xxx Libertas WLAN driver support"
         depends on WLAN_80211
+        select WIRELESS_EXT
         select IEEE80211
         select FW_LOADER
         ---help---
diff --git a/drivers/net/wireless/b43/leds.c b/drivers/net/wireless/b43/leds.c
index 19e588582c7c..6c0e2b9f7760 100644
--- a/drivers/net/wireless/b43/leds.c
+++ b/drivers/net/wireless/b43/leds.c
@@ -163,6 +163,9 @@ static void b43_map_led(struct b43_wldev *dev,
                 b43_register_led(dev, &dev->led_radio, name,
                                  b43_rfkill_led_name(dev),
                                  led_index, activelow);
+                /* Sync the RF-kill LED state with the switch state. */
+                if (dev->radio_hw_enable)
+                        b43_led_turn_on(dev, led_index, activelow);
                 break;
         case B43_LED_WEIRD:
         case B43_LED_ASSOC:
@@ -232,4 +235,5 @@ void b43_leds_exit(struct b43_wldev *dev)
         b43_unregister_led(&dev->led_tx);
         b43_unregister_led(&dev->led_rx);
         b43_unregister_led(&dev->led_assoc);
+        b43_unregister_led(&dev->led_radio);
 }
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index b45eecc53c4a..1c93b4f4bfe3 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2163,7 +2163,6 @@ static void b43_mgmtframe_txantenna(struct b43_wldev *dev, int antenna)
 static void b43_chip_exit(struct b43_wldev *dev)
 {
         b43_radio_turn_off(dev, 1);
-        b43_leds_exit(dev);
         b43_gpio_cleanup(dev);
         /* firmware is released later */
 }
@@ -2191,11 +2190,10 @@ static int b43_chip_init(struct b43_wldev *dev)
         err = b43_gpio_init(dev);
         if (err)
                 goto out;       /* firmware is released later */
-        b43_leds_init(dev);
 
         err = b43_upload_initvals(dev);
         if (err)
-                goto err_leds_exit;
+                goto err_gpio_clean;
         b43_radio_turn_on(dev);
 
         b43_write16(dev, 0x03E6, 0x0000);
@@ -2271,8 +2269,7 @@ out:
 
 err_radio_off:
         b43_radio_turn_off(dev, 1);
-err_leds_exit:
-        b43_leds_exit(dev);
+err_gpio_clean:
         b43_gpio_cleanup(dev);
         return err;
 }
@@ -3273,10 +3270,7 @@ static void b43_wireless_core_exit(struct b43_wldev *dev)
                 return;
         b43_set_status(dev, B43_STAT_UNINIT);
 
-        mutex_unlock(&dev->wl->mutex);
-        b43_rfkill_exit(dev);
-        mutex_lock(&dev->wl->mutex);
-
+        b43_leds_exit(dev);
         b43_rng_exit(dev->wl);
         b43_pio_free(dev);
         b43_dma_free(dev);
@@ -3405,12 +3399,12 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
         memset(wl->mac_addr, 0, ETH_ALEN);
         b43_upload_card_macaddress(dev);
         b43_security_init(dev);
-        b43_rfkill_init(dev);
         b43_rng_init(wl);
 
         b43_set_status(dev, B43_STAT_INITIALIZED);
 
-      out:
+        b43_leds_init(dev);
+out:
         return err;
 
       err_chip_exit:
@@ -3499,6 +3493,10 @@ static int b43_start(struct ieee80211_hw *hw)
         int did_init = 0;
         int err = 0;
 
+        /* First register RFkill.
+         * LEDs that are registered later depend on it. */
+        b43_rfkill_init(dev);
+
         mutex_lock(&wl->mutex);
 
         if (b43_status(dev) < B43_STAT_INITIALIZED) {
@@ -3528,6 +3526,8 @@ static void b43_stop(struct ieee80211_hw *hw)
         struct b43_wl *wl = hw_to_b43_wl(hw);
         struct b43_wldev *dev = wl->current_dev;
 
+        b43_rfkill_exit(dev);
+
         mutex_lock(&wl->mutex);
         if (b43_status(dev) >= B43_STAT_STARTED)
                 b43_wireless_core_stop(dev);
diff --git a/drivers/net/wireless/b43/rfkill.c b/drivers/net/wireless/b43/rfkill.c
index 9b1f905ffbf4..98cf70c5fd47 100644
--- a/drivers/net/wireless/b43/rfkill.c
+++ b/drivers/net/wireless/b43/rfkill.c
@@ -25,6 +25,8 @@
 #include "rfkill.h"
 #include "b43.h"
 
+#include <linux/kmod.h>
+
 
 /* Returns TRUE, if the radio is enabled in hardware. */
 static bool b43_is_hw_radio_enabled(struct b43_wldev *dev)
@@ -50,7 +52,10 @@ static void b43_rfkill_poll(struct input_polled_dev *poll_dev)
         bool report_change = 0;
 
         mutex_lock(&wl->mutex);
-        B43_WARN_ON(b43_status(dev) < B43_STAT_INITIALIZED);
+        if (unlikely(b43_status(dev) < B43_STAT_INITIALIZED)) {
+                mutex_unlock(&wl->mutex);
+                return;
+        }
         enabled = b43_is_hw_radio_enabled(dev);
         if (unlikely(enabled != dev->radio_hw_enable)) {
                 dev->radio_hw_enable = enabled;
@@ -60,8 +65,12 @@ static void b43_rfkill_poll(struct input_polled_dev *poll_dev)
         }
         mutex_unlock(&wl->mutex);
 
-        if (unlikely(report_change))
-                input_report_key(poll_dev->input, KEY_WLAN, enabled);
+        /* send the radio switch event to the system - note both a key press
+         * and a release are required */
+        if (unlikely(report_change)) {
+                input_report_key(poll_dev->input, KEY_WLAN, 1);
+                input_report_key(poll_dev->input, KEY_WLAN, 0);
+        }
 }
 
 /* Called when the RFKILL toggled in software. */
@@ -69,13 +78,15 @@ static int b43_rfkill_soft_toggle(void *data, enum rfkill_state state)
 {
         struct b43_wldev *dev = data;
         struct b43_wl *wl = dev->wl;
-        int err = 0;
+        int err = -EBUSY;
 
         if (!wl->rfkill.registered)
                 return 0;
 
         mutex_lock(&wl->mutex);
-        B43_WARN_ON(b43_status(dev) < B43_STAT_INITIALIZED);
+        if (b43_status(dev) < B43_STAT_INITIALIZED)
+                goto out_unlock;
+        err = 0;
         switch (state) {
         case RFKILL_STATE_ON:
                 if (!dev->radio_hw_enable) {
@@ -133,9 +144,25 @@ void b43_rfkill_init(struct b43_wldev *dev)
         rfk->poll_dev->poll = b43_rfkill_poll;
         rfk->poll_dev->poll_interval = 1000; /* msecs */
 
+        rfk->poll_dev->input->name = rfk->name;
+        rfk->poll_dev->input->id.bustype = BUS_HOST;
+        rfk->poll_dev->input->id.vendor = dev->dev->bus->boardinfo.vendor;
+        rfk->poll_dev->input->evbit[0] = BIT(EV_KEY);
+        set_bit(KEY_WLAN, rfk->poll_dev->input->keybit);
+
         err = rfkill_register(rfk->rfkill);
         if (err)
                 goto err_free_polldev;
+
+#ifdef CONFIG_RFKILL_INPUT_MODULE
+        /* B43 RF-kill isn't useful without the rfkill-input subsystem.
+         * Try to load the module. */
+        err = request_module("rfkill-input");
+        if (err)
+                b43warn(wl, "Failed to load the rfkill-input module. "
+                        "The built-in radio LED will not work.\n");
+#endif /* CONFIG_RFKILL_INPUT */
+
         err = input_register_polled_device(rfk->poll_dev);
         if (err)
                 goto err_unreg_rfk;
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
index 35dbe4554513..76e9dd843faa 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
@@ -219,7 +219,7 @@ static ssize_t tsf_write_file(struct file *file, const char __user *user_buf,
         ssize_t buf_size;
         ssize_t res;
         unsigned long flags;
-        u64 tsf;
+        unsigned long long tsf;
 
         buf_size = min(count, sizeof (really_big_buffer) - 1);
         down(&big_buffer_sem);
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index 54f44e5473c0..da51f477e9df 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -10751,7 +10751,7 @@ static void ipw_bg_link_down(struct work_struct *work)
         mutex_unlock(&priv->mutex);
 }
 
-static int ipw_setup_deferred_work(struct ipw_priv *priv)
+static int __devinit ipw_setup_deferred_work(struct ipw_priv *priv)
 {
         int ret = 0;
 
@@ -11600,7 +11600,8 @@ static void ipw_prom_free(struct ipw_priv *priv)
 #endif
 
 
-static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+static int __devinit ipw_pci_probe(struct pci_dev *pdev,
+                                   const struct pci_device_id *ent)
 {
         int err = 0;
         struct net_device *net_dev;
@@ -11767,7 +11768,7 @@ static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         return err;
 }
 
-static void ipw_pci_remove(struct pci_dev *pdev)
+static void __devexit ipw_pci_remove(struct pci_dev *pdev)
 {
         struct ipw_priv *priv = pci_get_drvdata(pdev);
         struct list_head *p, *q;
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 4bdf237f6adc..3d1da0759b97 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -4743,8 +4743,10 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
                  *   when we loaded driver, and is now set to "enable".
                  * After we're Alive, RF_KILL gets handled by
                  *   iwl_rx_card_state_notif() */
-                if (!hw_rf_kill && !test_bit(STATUS_ALIVE, &priv->status))
+                if (!hw_rf_kill && !test_bit(STATUS_ALIVE, &priv->status)) {
+                        clear_bit(STATUS_RF_KILL_HW, &priv->status);
                         queue_work(priv->workqueue, &priv->restart);
+                }
 
                 handled |= CSR_INT_BIT_RF_KILL;
         }
@@ -6171,6 +6173,7 @@ static void iwl_alive_start(struct iwl_priv *priv)
                 mutex_lock(&priv->mutex);
 
                 if (rc) {
+                        iwl_rate_control_unregister(priv->hw);
                         IWL_ERROR("Failed to register network "
                                   "device (error %d)\n", rc);
                         return;
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 8f85564ec6fa..b54fe5e6d529 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -5059,8 +5059,10 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
                  *   when we loaded driver, and is now set to "enable".
                  * After we're Alive, RF_KILL gets handled by
                  *   iwl_rx_card_state_notif() */
-                if (!hw_rf_kill && !test_bit(STATUS_ALIVE, &priv->status))
+                if (!hw_rf_kill && !test_bit(STATUS_ALIVE, &priv->status)) {
+                        clear_bit(STATUS_RF_KILL_HW, &priv->status);
                         queue_work(priv->workqueue, &priv->restart);
+                }
 
                 handled |= CSR_INT_BIT_RF_KILL;
         }
@@ -6527,6 +6529,7 @@ static void iwl_alive_start(struct iwl_priv *priv)
                 mutex_lock(&priv->mutex);
 
                 if (rc) {
+                        iwl_rate_control_unregister(priv->hw);
                         IWL_ERROR("Failed to register network "
                                   "device (error %d)\n", rc);
                         return;
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index a903645e157a..5298a8bf1129 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -1130,6 +1130,8 @@ static void zd_mac_rx(struct zd_mac *mac, struct sk_buff *skb)
         __skb_trim(skb, skb->len -
                         (IEEE80211_FCS_LEN + sizeof(struct rx_status)));
 
+        ZD_ASSERT(IS_ALIGNED((unsigned long)skb->data, 4));
+
         update_qual_rssi(mac, skb->data, skb->len, stats.signal,
                          status->signal_strength);
 
@@ -1166,15 +1168,19 @@ static void do_rx(unsigned long mac_ptr)
 int zd_mac_rx_irq(struct zd_mac *mac, const u8 *buffer, unsigned int length)
 {
         struct sk_buff *skb;
+        unsigned int reserved =
+                ALIGN(max_t(unsigned int,
+                            sizeof(struct zd_rt_hdr), ZD_PLCP_HEADER_SIZE), 4) -
+                ZD_PLCP_HEADER_SIZE;
 
-        skb = dev_alloc_skb(sizeof(struct zd_rt_hdr) + length);
+        skb = dev_alloc_skb(reserved + length);
         if (!skb) {
                 struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac);
                 dev_warn(zd_mac_dev(mac), "Could not allocate skb.\n");
                 ieee->stats.rx_dropped++;
                 return -ENOMEM;
         }
-        skb_reserve(skb, sizeof(struct zd_rt_hdr));
+        skb_reserve(skb, reserved);
         memcpy(__skb_put(skb, length), buffer, length);
         skb_queue_tail(&mac->rx_queue, skb);
         tasklet_schedule(&mac->rx_tasklet);
diff --git a/net/mac80211/ieee80211_rate.c b/net/mac80211/ieee80211_rate.c
index 7254bd609839..3260a4a0ecc5 100644
--- a/net/mac80211/ieee80211_rate.c
+++ b/net/mac80211/ieee80211_rate.c
@@ -33,6 +33,7 @@ int ieee80211_rate_control_register(struct rate_control_ops *ops)
                 if (!strcmp(alg->ops->name, ops->name)) {
                         /* don't register an algorithm twice */
                         WARN_ON(1);
+                        mutex_unlock(&rate_ctrl_mutex);
                         return -EALREADY;
                 }
         }