diff --git a/MAINTAINERS b/MAINTAINERS index 83be538d26c4..837a7547786b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2966,20 +2966,14 @@ F: drivers/net/ixgb/ F: drivers/net/ixgbe/ INTEL PRO/WIRELESS 2100 NETWORK CONNECTION SUPPORT -M: Reinette Chatre -M: Intel Linux Wireless L: linux-wireless@vger.kernel.org -W: http://ipw2100.sourceforge.net -S: Odd Fixes +S: Orphan F: Documentation/networking/README.ipw2100 F: drivers/net/wireless/ipw2x00/ipw2100.* INTEL PRO/WIRELESS 2915ABG NETWORK CONNECTION SUPPORT -M: Reinette Chatre -M: Intel Linux Wireless L: linux-wireless@vger.kernel.org -W: http://ipw2200.sourceforge.net -S: Odd Fixes +S: Orphan F: Documentation/networking/README.ipw2200 F: drivers/net/wireless/ipw2x00/ipw2200.* diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c index db72461c486b..29b31a694b59 100644 --- a/drivers/net/wireless/hostap/hostap_cs.c +++ b/drivers/net/wireless/hostap/hostap_cs.c @@ -594,6 +594,7 @@ static int prism2_config(struct pcmcia_device *link) local_info_t *local; int ret = 1; struct hostap_cs_priv *hw_priv; + unsigned long flags; PDEBUG(DEBUG_FLOW, "prism2_config()\n"); @@ -625,9 +626,15 @@ static int prism2_config(struct pcmcia_device *link) local->hw_priv = hw_priv; hw_priv->link = link; + /* + * Make sure the IRQ handler cannot proceed until at least + * dev->base_addr is initialized. + */ + spin_lock_irqsave(&local->irq_init_lock, flags); + ret = pcmcia_request_irq(link, prism2_interrupt); if (ret) - goto failed; + goto failed_unlock; /* * This actually configures the PCMCIA socket -- setting up @@ -636,11 +643,13 @@ static int prism2_config(struct pcmcia_device *link) */ ret = pcmcia_request_configuration(link, &link->conf); if (ret) - goto failed; + goto failed_unlock; dev->irq = link->irq; dev->base_addr = link->io.BasePort1; + spin_unlock_irqrestore(&local->irq_init_lock, flags); + /* Finally, report what we've done */ printk(KERN_INFO "%s: index 0x%02x: ", dev_info, link->conf.ConfigIndex); @@ -667,6 +676,8 @@ static int prism2_config(struct pcmcia_device *link) return ret; + failed_unlock: + spin_unlock_irqrestore(&local->irq_init_lock, flags); failed: kfree(hw_priv); prism2_release((u_long)link); diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c index ff9b5c882184..2f999fc94f60 100644 --- a/drivers/net/wireless/hostap/hostap_hw.c +++ b/drivers/net/wireless/hostap/hostap_hw.c @@ -2621,6 +2621,18 @@ static irqreturn_t prism2_interrupt(int irq, void *dev_id) iface = netdev_priv(dev); local = iface->local; + /* Detect early interrupt before driver is fully configued */ + spin_lock(&local->irq_init_lock); + if (!dev->base_addr) { + if (net_ratelimit()) { + printk(KERN_DEBUG "%s: Interrupt, but dev not configured\n", + dev->name); + } + spin_unlock(&local->irq_init_lock); + return IRQ_HANDLED; + } + spin_unlock(&local->irq_init_lock); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INTERRUPT, 0, 0); if (local->func->card_present && !local->func->card_present(local)) { @@ -3138,6 +3150,7 @@ prism2_init_local_data(struct prism2_helper_functions *funcs, int card_idx, spin_lock_init(&local->cmdlock); spin_lock_init(&local->baplock); spin_lock_init(&local->lock); + spin_lock_init(&local->irq_init_lock); mutex_init(&local->rid_bap_mtx); if (card_idx < 0 || card_idx >= MAX_PARM_DEVICES) diff --git a/drivers/net/wireless/hostap/hostap_wlan.h b/drivers/net/wireless/hostap/hostap_wlan.h index 3d238917af07..1ba33be98b25 100644 --- a/drivers/net/wireless/hostap/hostap_wlan.h +++ b/drivers/net/wireless/hostap/hostap_wlan.h @@ -654,7 +654,7 @@ struct local_info { rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock * when removing entries from the list. * TX and RX paths can use read lock. */ - spinlock_t cmdlock, baplock, lock; + spinlock_t cmdlock, baplock, lock, irq_init_lock; struct mutex rid_bap_mtx; u16 infofid; /* MAC buffer id for info frame */ /* txfid, intransmitfid, next_txtid, and next_alloc are protected by diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index 10a0acdb9dd4..84df7fca750d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -1147,6 +1147,7 @@ static void iwlagn_tx_status(struct iwl_priv *priv, struct sk_buff *skb) struct ieee80211_sta *sta; struct iwl_station_priv *sta_priv; + rcu_read_lock(); sta = ieee80211_find_sta(priv->vif, hdr->addr1); if (sta) { sta_priv = (void *)sta->drv_priv; @@ -1155,6 +1156,7 @@ static void iwlagn_tx_status(struct iwl_priv *priv, struct sk_buff *skb) atomic_dec_return(&sta_priv->pending_frames) == 0) ieee80211_sta_block_awake(priv->hw, sta, false); } + rcu_read_unlock(); ieee80211_tx_status_irqsafe(priv->hw, skb); } @@ -1322,6 +1324,11 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, sta_id = ba_resp->sta_id; tid = ba_resp->tid; agg = &priv->stations[sta_id].tid[tid].agg; + if (unlikely(agg->txq_id != scd_flow)) { + IWL_ERR(priv, "BA scd_flow %d does not match txq_id %d\n", + scd_flow, agg->txq_id); + return; + } /* Find index just before block-ack window */ index = iwl_queue_dec_wrap(ba_resp_scd_ssn & 0xff, txq->q.n_bd); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 4ade9a68278a..d857f8496f69 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -3465,10 +3465,12 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, int ret; u8 sta_id; - sta_priv->common.sta_id = IWL_INVALID_STATION; - IWL_DEBUG_INFO(priv, "received request to add station %pM\n", sta->addr); + mutex_lock(&priv->mutex); + IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n", + sta->addr); + sta_priv->common.sta_id = IWL_INVALID_STATION; atomic_set(&sta_priv->pending_frames, 0); if (vif->type == NL80211_IFTYPE_AP) @@ -3480,6 +3482,7 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, IWL_ERR(priv, "Unable to add station %pM (%d)\n", sta->addr, ret); /* Should we return success if return code is EEXIST ? */ + mutex_unlock(&priv->mutex); return ret; } @@ -3489,6 +3492,7 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n", sta->addr); iwl_rs_rate_init(priv, sta, sta_id); + mutex_unlock(&priv->mutex); return 0; } diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index b8bcd48eb8fa..798f93e0ff50 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -500,6 +500,7 @@ void iwl_bg_abort_scan(struct work_struct *work) mutex_lock(&priv->mutex); + cancel_delayed_work_sync(&priv->scan_check); set_bit(STATUS_SCAN_ABORTING, &priv->status); iwl_send_scan_abort(priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index c7127132c298..d57df6c02db3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -1373,10 +1373,14 @@ int iwl_mac_sta_remove(struct ieee80211_hw *hw, IWL_DEBUG_INFO(priv, "received request to remove station %pM\n", sta->addr); + mutex_lock(&priv->mutex); + IWL_DEBUG_INFO(priv, "proceeding to remove station %pM\n", + sta->addr); ret = iwl_remove_station(priv, sta_common->sta_id, sta->addr); if (ret) IWL_ERR(priv, "Error removing station %pM\n", sta->addr); + mutex_unlock(&priv->mutex); return ret; } EXPORT_SYMBOL(iwl_mac_sta_remove); diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index eb71a8c021ac..697fa6caaceb 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -3363,10 +3363,13 @@ static int iwl3945_mac_sta_add(struct ieee80211_hw *hw, bool is_ap = vif->type == NL80211_IFTYPE_STATION; u8 sta_id; - sta_priv->common.sta_id = IWL_INVALID_STATION; - IWL_DEBUG_INFO(priv, "received request to add station %pM\n", sta->addr); + mutex_lock(&priv->mutex); + IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n", + sta->addr); + sta_priv->common.sta_id = IWL_INVALID_STATION; + ret = iwl_add_station_common(priv, sta->addr, is_ap, &sta->ht_cap, &sta_id); @@ -3374,6 +3377,7 @@ static int iwl3945_mac_sta_add(struct ieee80211_hw *hw, IWL_ERR(priv, "Unable to add station %pM (%d)\n", sta->addr, ret); /* Should we return success if return code is EEXIST ? */ + mutex_unlock(&priv->mutex); return ret; } @@ -3383,6 +3387,7 @@ static int iwl3945_mac_sta_add(struct ieee80211_hw *hw, IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n", sta->addr); iwl3945_rs_rate_init(priv, sta, sta_id); + mutex_unlock(&priv->mutex); return 0; } diff --git a/drivers/net/wireless/libertas_tf/main.c b/drivers/net/wireless/libertas_tf/main.c index 6a04c2157f73..817fffc0de4b 100644 --- a/drivers/net/wireless/libertas_tf/main.c +++ b/drivers/net/wireless/libertas_tf/main.c @@ -549,7 +549,7 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb) prxpd = (struct rxpd *) skb->data; - stats.flag = 0; + memset(&stats, 0, sizeof(stats)); if (!(prxpd->status & cpu_to_le16(MRVDRV_RXPD_STATUS_OK))) stats.flag |= RX_FLAG_FAILED_FCS_CRC; stats.freq = priv->cur_freq; diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c index 07c4528f6e6b..a5ea89cde8c4 100644 --- a/drivers/net/wireless/p54/p54pci.c +++ b/drivers/net/wireless/p54/p54pci.c @@ -41,6 +41,8 @@ static DEFINE_PCI_DEVICE_TABLE(p54p_table) = { { PCI_DEVICE(0x1260, 0x3877) }, /* Intersil PRISM Javelin/Xbow Wireless LAN adapter */ { PCI_DEVICE(0x1260, 0x3886) }, + /* Intersil PRISM Xbow Wireless LAN adapter (Symbol AP-300) */ + { PCI_DEVICE(0x1260, 0xffff) }, { }, }; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 637b22411d41..85c3ca33333e 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1704,8 +1704,45 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, mutex_unlock(&ifmgd->mtx); if (skb->len >= 24 + 2 /* mgmt + deauth reason */ && - (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_DEAUTH) + (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_DEAUTH) { + struct ieee80211_local *local = sdata->local; + struct ieee80211_work *wk; + + mutex_lock(&local->work_mtx); + list_for_each_entry(wk, &local->work_list, list) { + if (wk->sdata != sdata) + continue; + + if (wk->type != IEEE80211_WORK_ASSOC) + continue; + + if (memcmp(mgmt->bssid, wk->filter_ta, ETH_ALEN)) + continue; + if (memcmp(mgmt->sa, wk->filter_ta, ETH_ALEN)) + continue; + + /* + * Printing the message only here means we can't + * spuriously print it, but it also means that it + * won't be printed when the frame comes in before + * we even tried to associate or in similar cases. + * + * Ultimately, I suspect cfg80211 should print the + * messages instead. + */ + printk(KERN_DEBUG + "%s: deauthenticated from %pM (Reason: %u)\n", + sdata->name, mgmt->bssid, + le16_to_cpu(mgmt->u.deauth.reason_code)); + + list_del_rcu(&wk->list); + free_work(wk); + break; + } + mutex_unlock(&local->work_mtx); + cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len); + } } static void ieee80211_sta_timer(unsigned long data) diff --git a/net/mac80211/work.c b/net/mac80211/work.c index 4157717ed786..c22a71c5cb45 100644 --- a/net/mac80211/work.c +++ b/net/mac80211/work.c @@ -715,7 +715,7 @@ static void ieee80211_work_rx_queued_mgmt(struct ieee80211_local *local, struct ieee80211_rx_status *rx_status; struct ieee80211_mgmt *mgmt; struct ieee80211_work *wk; - enum work_action rma; + enum work_action rma = WORK_ACT_NONE; u16 fc; rx_status = (struct ieee80211_rx_status *) skb->cb;