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

10 files changed, 84 insertions, 30 deletions

diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
index 9a06e61df0a2..e2982a83ae42 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
@@ -939,9 +939,9 @@ static int bcm43xx_sprom_extract(struct bcm43xx_private *bcm)
         return 0;
 }
 
-static void bcm43xx_geo_init(struct bcm43xx_private *bcm)
+static int bcm43xx_geo_init(struct bcm43xx_private *bcm)
 {
-        struct ieee80211_geo geo;
+        struct ieee80211_geo *geo;
         struct ieee80211_channel *chan;
         int have_a = 0, have_bg = 0;
         int i;
@@ -949,7 +949,10 @@ static void bcm43xx_geo_init(struct bcm43xx_private *bcm)
         struct bcm43xx_phyinfo *phy;
         const char *iso_country;
 
-        memset(&geo, 0, sizeof(geo));
+        geo = kzalloc(sizeof(*geo), GFP_KERNEL);
+        if (!geo)
+                return -ENOMEM;
+
         for (i = 0; i < bcm->nr_80211_available; i++) {
                 phy = &(bcm->core_80211_ext[i].phy);
                 switch (phy->type) {
@@ -967,31 +970,36 @@ static void bcm43xx_geo_init(struct bcm43xx_private *bcm)
         iso_country = bcm43xx_locale_iso(bcm->sprom.locale);
 
         if (have_a) {
-                for (i = 0, channel = 0; channel < 201; channel++) {
-                        chan = &geo.a[i++];
+                for (i = 0, channel = IEEE80211_52GHZ_MIN_CHANNEL;
+                      channel <= IEEE80211_52GHZ_MAX_CHANNEL; channel++) {
+                        chan = &geo->a[i++];
                         chan->freq = bcm43xx_channel_to_freq_a(channel);
                         chan->channel = channel;
                 }
-                geo.a_channels = i;
+                geo->a_channels = i;
         }
         if (have_bg) {
-                for (i = 0, channel = 1; channel < 15; channel++) {
-                        chan = &geo.bg[i++];
+                for (i = 0, channel = IEEE80211_24GHZ_MIN_CHANNEL;
+                      channel <= IEEE80211_24GHZ_MAX_CHANNEL; channel++) {
+                        chan = &geo->bg[i++];
                         chan->freq = bcm43xx_channel_to_freq_bg(channel);
                         chan->channel = channel;
                 }
-                geo.bg_channels = i;
+                geo->bg_channels = i;
         }
-        memcpy(geo.name, iso_country, 2);
+        memcpy(geo->name, iso_country, 2);
         if (0 /*TODO: Outdoor use only */)
-                geo.name[2] = 'O';
+                geo->name[2] = 'O';
         else if (0 /*TODO: Indoor use only */)
-                geo.name[2] = 'I';
+                geo->name[2] = 'I';
         else
-                geo.name[2] = ' ';
-        geo.name[3] = '\0';
+                geo->name[2] = ' ';
+        geo->name[3] = '\0';
+
+        ieee80211_set_geo(bcm->ieee, geo);
+        kfree(geo);
 
-        ieee80211_set_geo(bcm->ieee, &geo);
+        return 0;
 }
 
 /* DummyTransmission function, as documented on 
@@ -3479,16 +3487,17 @@ static int bcm43xx_attach_board(struct bcm43xx_private *bcm)
                         goto err_80211_unwind;
                 bcm43xx_wireless_core_disable(bcm);
         }
+        err = bcm43xx_geo_init(bcm);
+        if (err)
+                goto err_80211_unwind;
         bcm43xx_pctl_set_crystal(bcm, 0);
 
         /* Set the MAC address in the networking subsystem */
-        if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A)
+        if (is_valid_ether_addr(bcm->sprom.et1macaddr))
                 memcpy(bcm->net_dev->dev_addr, bcm->sprom.et1macaddr, 6);
         else
                 memcpy(bcm->net_dev->dev_addr, bcm->sprom.il0macaddr, 6);
 
-        bcm43xx_geo_init(bcm);
-
         snprintf(bcm->nick, IW_ESSID_MAX_SIZE,
                  "Broadcom %04X", bcm->chip_id);
 
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.h b/drivers/net/wireless/bcm43xx/bcm43xx_main.h
index eca79a38594a..30a202b258b5 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_main.h
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.h
@@ -118,12 +118,14 @@ int bcm43xx_channel_to_freq(struct bcm43xx_private *bcm,
 static inline
 int bcm43xx_is_valid_channel_a(u8 channel)
 {
-        return (channel <= 200);
+        return (channel >= IEEE80211_52GHZ_MIN_CHANNEL
+               && channel <= IEEE80211_52GHZ_MAX_CHANNEL);
 }
 static inline
 int bcm43xx_is_valid_channel_bg(u8 channel)
 {
-        return (channel >= 1 && channel <= 14);
+        return (channel >= IEEE80211_24GHZ_MIN_CHANNEL
+               && channel <= IEEE80211_24GHZ_MAX_CHANNEL);
 }
 static inline
 int bcm43xx_is_valid_channel(struct bcm43xx_private *bcm,
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c
index 33137165727f..b0abac515530 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c
@@ -1287,7 +1287,7 @@ static void bcm43xx_phy_initg(struct bcm43xx_private *bcm)
         if (radio->revision == 8)
                 bcm43xx_phy_write(bcm, 0x0805, 0x3230);
         bcm43xx_phy_init_pctl(bcm);
-        if (bcm->chip_id == 0x4306 && bcm->chip_package != 2) {
+        if (bcm->chip_id == 0x4306 && bcm->chip_package == 2) {
                 bcm43xx_phy_write(bcm, 0x0429,
                                   bcm43xx_phy_read(bcm, 0x0429) & 0xBFFF);
                 bcm43xx_phy_write(bcm, 0x04C3,
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
index 3edbb481a0a0..b45063974ae9 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
@@ -182,8 +182,11 @@ static int bcm43xx_wx_set_mode(struct net_device *net_dev,
                 mode = BCM43xx_INITIAL_IWMODE;
 
         bcm43xx_lock_mmio(bcm, flags);
-        if (bcm->ieee->iw_mode != mode)
-                bcm43xx_set_iwmode(bcm, mode);
+        if (bcm->initialized) {
+                if (bcm->ieee->iw_mode != mode)
+                        bcm43xx_set_iwmode(bcm, mode);
+        } else
+                bcm->ieee->iw_mode = mode;
         bcm43xx_unlock_mmio(bcm, flags);
 
         return 0;
diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h
index 4725ff861c57..d5926bfb1fc9 100644
--- a/include/net/ieee80211.h
+++ b/include/net/ieee80211.h
@@ -955,11 +955,13 @@ enum ieee80211_state {
 
 #define IEEE80211_24GHZ_MIN_CHANNEL 1
 #define IEEE80211_24GHZ_MAX_CHANNEL 14
-#define IEEE80211_24GHZ_CHANNELS    14
+#define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \
+                                  IEEE80211_24GHZ_MIN_CHANNEL + 1)
 
 #define IEEE80211_52GHZ_MIN_CHANNEL 34
 #define IEEE80211_52GHZ_MAX_CHANNEL 165
-#define IEEE80211_52GHZ_CHANNELS    131
+#define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \
+                                  IEEE80211_52GHZ_MIN_CHANNEL + 1)
 
 enum {
         IEEE80211_CH_PASSIVE_ONLY = (1 << 0),
diff --git a/include/net/ieee80211softmac.h b/include/net/ieee80211softmac.h
index b1ebfbae397f..052ed596a4e4 100644
--- a/include/net/ieee80211softmac.h
+++ b/include/net/ieee80211softmac.h
@@ -204,7 +204,8 @@ struct ieee80211softmac_device {
         
         /* couple of flags */
         u8 scanning:1, /* protects scanning from being done multiple times at once */
-           associated:1;
+           associated:1,
+           running:1;
         
         struct ieee80211softmac_scaninfo *scaninfo;
         struct ieee80211softmac_assoc_info associnfo;
diff --git a/net/ieee80211/softmac/ieee80211softmac_assoc.c b/net/ieee80211/softmac/ieee80211softmac_assoc.c
index fb79ce7d6439..57ea9f6f465c 100644
--- a/net/ieee80211/softmac/ieee80211softmac_assoc.c
+++ b/net/ieee80211/softmac/ieee80211softmac_assoc.c
@@ -51,11 +51,12 @@ ieee80211softmac_assoc(struct ieee80211softmac_device *mac, struct ieee80211soft
         spin_lock_irqsave(&mac->lock, flags);
         mac->associnfo.associating = 1;
         mac->associated = 0; /* just to make sure */
-        spin_unlock_irqrestore(&mac->lock, flags);
 
         /* Set a timer for timeout */
         /* FIXME: make timeout configurable */
-        schedule_delayed_work(&mac->associnfo.timeout, 5 * HZ);
+        if (likely(mac->running))
+                schedule_delayed_work(&mac->associnfo.timeout, 5 * HZ);
+        spin_unlock_irqrestore(&mac->lock, flags);
 }
 
 void
@@ -319,6 +320,9 @@ ieee80211softmac_handle_assoc_response(struct net_device * dev,
         u16 status = le16_to_cpup(&resp->status);
         struct ieee80211softmac_network *network = NULL;
         unsigned long flags;
+
+        if (unlikely(!mac->running))
+                return -ENODEV;
         
         spin_lock_irqsave(&mac->lock, flags);
 
@@ -377,10 +381,16 @@ ieee80211softmac_handle_disassoc(struct net_device * dev,
 {
         struct ieee80211softmac_device *mac = ieee80211_priv(dev);
         unsigned long flags;
+
+        if (unlikely(!mac->running))
+                return -ENODEV;
+
         if (memcmp(disassoc->header.addr2, mac->associnfo.bssid, ETH_ALEN))
                 return 0;
+
         if (memcmp(disassoc->header.addr1, mac->dev->dev_addr, ETH_ALEN))
                 return 0;
+
         dprintk(KERN_INFO PFX "got disassoc frame\n");
         netif_carrier_off(dev);
         spin_lock_irqsave(&mac->lock, flags);
@@ -400,6 +410,9 @@ ieee80211softmac_handle_reassoc_req(struct net_device * dev,
         struct ieee80211softmac_device *mac = ieee80211_priv(dev);
         struct ieee80211softmac_network *network;
 
+        if (unlikely(!mac->running))
+                return -ENODEV;
+
         network = ieee80211softmac_get_network_by_bssid(mac, resp->header.addr3);
         if (!network) {
                 dprintkl(KERN_INFO PFX "reassoc request from unknown network\n");
diff --git a/net/ieee80211/softmac/ieee80211softmac_auth.c b/net/ieee80211/softmac/ieee80211softmac_auth.c
index 9a0eac6c61eb..06e332624665 100644
--- a/net/ieee80211/softmac/ieee80211softmac_auth.c
+++ b/net/ieee80211/softmac/ieee80211softmac_auth.c
@@ -86,6 +86,11 @@ ieee80211softmac_auth_queue(void *data)
                 
                 /* Lock and set flags */
                 spin_lock_irqsave(&mac->lock, flags);
+                if (unlikely(!mac->running)) {
+                        /* Prevent reschedule on workqueue flush */
+                        spin_unlock_irqrestore(&mac->lock, flags);
+                        return;
+                }
                 net->authenticated = 0;
                 net->authenticating = 1;
                 /* add a timeout call so we eventually give up waiting for an auth reply */
@@ -124,6 +129,9 @@ ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth)
         unsigned long flags;
         u8 * data;
         
+        if (unlikely(!mac->running))
+                return -ENODEV;
+
         /* Find correct auth queue item */
         spin_lock_irqsave(&mac->lock, flags);
         list_for_each(list_ptr, &mac->auth_queue) {
@@ -298,8 +306,6 @@ ieee80211softmac_deauth_from_net(struct ieee80211softmac_device *mac,
         
         /* can't transmit data right now... */
         netif_carrier_off(mac->dev);
-        /* let's try to re-associate */
-        schedule_work(&mac->associnfo.work);
         spin_unlock_irqrestore(&mac->lock, flags);
 }
 
@@ -338,6 +344,9 @@ ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *de
         struct ieee80211softmac_network *net = NULL;
         struct ieee80211softmac_device *mac = ieee80211_priv(dev);
         
+        if (unlikely(!mac->running))
+                return -ENODEV;
+
         if (!deauth) {
                 dprintk("deauth without deauth packet. eek!\n");
                 return 0;
@@ -360,5 +369,8 @@ ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *de
         }
 
         ieee80211softmac_deauth_from_net(mac, net);
+
+        /* let's try to re-associate */
+        schedule_work(&mac->associnfo.work);
         return 0;
 }
diff --git a/net/ieee80211/softmac/ieee80211softmac_module.c b/net/ieee80211/softmac/ieee80211softmac_module.c
index be83bdc1644a..6252be2c0db9 100644
--- a/net/ieee80211/softmac/ieee80211softmac_module.c
+++ b/net/ieee80211/softmac/ieee80211softmac_module.c
@@ -89,6 +89,8 @@ ieee80211softmac_clear_pending_work(struct ieee80211softmac_device *sm)
         ieee80211softmac_wait_for_scan(sm);
         
         spin_lock_irqsave(&sm->lock, flags);
+        sm->running = 0;
+
         /* Free all pending assoc work items */
         cancel_delayed_work(&sm->associnfo.work);
         
@@ -204,6 +206,8 @@ void ieee80211softmac_start(struct net_device *dev)
                 assert(0);
         if (mac->txrates_change)
                 mac->txrates_change(dev, change, &oldrates);
+
+        mac->running = 1;
 }
 EXPORT_SYMBOL_GPL(ieee80211softmac_start);
 
diff --git a/net/ieee80211/softmac/ieee80211softmac_scan.c b/net/ieee80211/softmac/ieee80211softmac_scan.c
index 2b9e7edfa3ce..d31cf77498c4 100644
--- a/net/ieee80211/softmac/ieee80211softmac_scan.c
+++ b/net/ieee80211/softmac/ieee80211softmac_scan.c
@@ -115,7 +115,15 @@ void ieee80211softmac_scan(void *d)
                         // TODO: is this if correct, or should we do this only if scanning from assoc request?
                         if (sm->associnfo.req_essid.len)
                                 ieee80211softmac_send_mgt_frame(sm, &sm->associnfo.req_essid, IEEE80211_STYPE_PROBE_REQ, 0);
+
+                        spin_lock_irqsave(&sm->lock, flags);
+                        if (unlikely(!sm->running)) {
+                                /* Prevent reschedule on workqueue flush */
+                                spin_unlock_irqrestore(&sm->lock, flags);
+                                break;
+                        }
                         schedule_delayed_work(&si->softmac_scan, IEEE80211SOFTMAC_PROBE_DELAY);
+                        spin_unlock_irqrestore(&sm->lock, flags);
                         return;
                 } else {
                         dprintk(PFX "Not probing Channel %d (not allowed here)\n", si->channels[current_channel_idx].channel);