10 files changed, 68 insertions, 53 deletions

diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index d73475739127..9eabf4d1f2e7 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -6467,6 +6467,7 @@ static int airo_get_encode(struct net_device *dev,
 {
         struct airo_info *local = dev->ml_priv;
         int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
+        int wep_key_len;
         u8 buf[16];
 
         if (!local->wep_capable)
@@ -6500,11 +6501,13 @@ static int airo_get_encode(struct net_device *dev,
         dwrq->flags |= index + 1;
 
         /* Copy the key to the user buffer */
-        dwrq->length = get_wep_key(local, index, &buf[0], sizeof(buf));
-        if (dwrq->length != -1)
-                memcpy(extra, buf, dwrq->length);
-        else
+        wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
+        if (wep_key_len < 0) {
                 dwrq->length = 0;
+        } else {
+                dwrq->length = wep_key_len;
+                memcpy(extra, buf, dwrq->length);
+        }
 
         return 0;
 }
@@ -6617,7 +6620,7 @@ static int airo_get_encodeext(struct net_device *dev,
         struct airo_info *local = dev->ml_priv;
         struct iw_point *encoding = &wrqu->encoding;
         struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
-        int idx, max_key_len;
+        int idx, max_key_len, wep_key_len;
         u8 buf[16];
 
         if (!local->wep_capable)
@@ -6661,11 +6664,13 @@ static int airo_get_encodeext(struct net_device *dev,
         memset(extra, 0, 16);
         
         /* Copy the key to the user buffer */
-        ext->key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
-        if (ext->key_len != -1)
-                memcpy(extra, buf, ext->key_len);
-        else
+        wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
+        if (wep_key_len < 0) {
                 ext->key_len = 0;
+        } else {
+                ext->key_len = wep_key_len;
+                memcpy(extra, buf, ext->key_len);
+        }
 
         return 0;
 }
diff --git a/drivers/net/wireless/ath5k/phy.c b/drivers/net/wireless/ath5k/phy.c
index 9e2faae5ae94..b48b29dca3d2 100644
--- a/drivers/net/wireless/ath5k/phy.c
+++ b/drivers/net/wireless/ath5k/phy.c
@@ -1487,28 +1487,35 @@ ath5k_get_linear_pcdac_min(const u8 *stepL, const u8 *stepR,
 {
         s8 tmp;
         s16 min_pwrL, min_pwrR;
-        s16 pwr_i = pwrL[0];
-
-        do {
-                pwr_i--;
-                tmp = (s8) ath5k_get_interpolated_value(pwr_i,
-                                                pwrL[0], pwrL[1],
-                                                stepL[0], stepL[1]);
-
-        } while (tmp > 1);
-
-        min_pwrL = pwr_i;
-
-        pwr_i = pwrR[0];
-        do {
-                pwr_i--;
-                tmp = (s8) ath5k_get_interpolated_value(pwr_i,
-                                                pwrR[0], pwrR[1],
-                                                stepR[0], stepR[1]);
-
-        } while (tmp > 1);
+        s16 pwr_i;
+
+        if (pwrL[0] == pwrL[1])
+                min_pwrL = pwrL[0];
+        else {
+                pwr_i = pwrL[0];
+                do {
+                        pwr_i--;
+                        tmp = (s8) ath5k_get_interpolated_value(pwr_i,
+                                                        pwrL[0], pwrL[1],
+                                                        stepL[0], stepL[1]);
+                } while (tmp > 1);
+
+                min_pwrL = pwr_i;
+        }
 
-        min_pwrR = pwr_i;
+        if (pwrR[0] == pwrR[1])
+                min_pwrR = pwrR[0];
+        else {
+                pwr_i = pwrR[0];
+                do {
+                        pwr_i--;
+                        tmp = (s8) ath5k_get_interpolated_value(pwr_i,
+                                                        pwrR[0], pwrR[1],
+                                                        stepR[0], stepR[1]);
+                } while (tmp > 1);
+
+                min_pwrR = pwr_i;
+        }
 
         /* Keep the right boundary so that it works for both curves */
         return max(min_pwrL, min_pwrR);
diff --git a/drivers/net/wireless/ath5k/reset.c b/drivers/net/wireless/ath5k/reset.c
index 7a17d31b2fd9..5f72c111c2e8 100644
--- a/drivers/net/wireless/ath5k/reset.c
+++ b/drivers/net/wireless/ath5k/reset.c
@@ -26,7 +26,7 @@
 \*****************************/
 
 #include <linux/pci.h>          /* To determine if a card is pci-e */
-#include <linux/bitops.h>       /* For get_bitmask_order */
+#include <linux/log2.h>
 #include "ath5k.h"
 #include "reg.h"
 #include "base.h"
@@ -69,10 +69,10 @@ static inline int ath5k_hw_write_ofdm_timings(struct ath5k_hw *ah,
 
         /* Get exponent
          * ALGO: coef_exp = 14 - highest set bit position */
-        coef_exp = get_bitmask_order(coef_scaled);
+        coef_exp = ilog2(coef_scaled);
 
         /* Doesn't make sense if it's zero*/
-        if (!coef_exp)
+        if (!coef_scaled || !coef_exp)
                 return -EINVAL;
 
         /* Note: we've shifted coef_scaled by 24 */
@@ -359,7 +359,7 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
                         mode |= AR5K_PHY_MODE_FREQ_5GHZ;
 
                         if (ah->ah_radio == AR5K_RF5413)
-                                clock |= AR5K_PHY_PLL_40MHZ_5413;
+                                clock = AR5K_PHY_PLL_40MHZ_5413;
                         else
                                 clock |= AR5K_PHY_PLL_40MHZ;
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index e5ca2511a81a..9452461ce864 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -46,7 +46,7 @@
 #include "iwl-6000-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL5000_UCODE_API_MAX 1
+#define IWL5000_UCODE_API_MAX 2
 #define IWL5150_UCODE_API_MAX 2
 
 /* Lowest firmware API version supported */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 3bb28db4a40f..f46ba2475776 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -669,13 +669,6 @@ static int iwl_set_mode(struct iwl_priv *priv, int mode)
         if (!iwl_is_ready_rf(priv))
                 return -EAGAIN;
 
-        cancel_delayed_work(&priv->scan_check);
-        if (iwl_scan_cancel_timeout(priv, 100)) {
-                IWL_WARN(priv, "Aborted scan still in progress after 100ms\n");
-                IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n");
-                return -EAGAIN;
-        }
-
         iwl_commit_rxon(priv);
 
         return 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index e7c65c4f741b..6330b91e37ce 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -227,9 +227,6 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
         /* The HW is no longer scanning */
         clear_bit(STATUS_SCAN_HW, &priv->status);
 
-        /* The scan completion notification came in, so kill that timer... */
-        cancel_delayed_work(&priv->scan_check);
-
         IWL_DEBUG_INFO(priv, "Scan pass on %sGHz took %dms\n",
                        (priv->scan_bands & BIT(IEEE80211_BAND_2GHZ)) ?
                                                 "2.4" : "5.2",
@@ -712,6 +709,8 @@ static void iwl_bg_request_scan(struct work_struct *data)
 
         mutex_lock(&priv->mutex);
 
+        cancel_delayed_work(&priv->scan_check);
+
         if (!iwl_is_ready(priv)) {
                 IWL_WARN(priv, "request scan called when driver not ready.\n");
                 goto done;
@@ -925,6 +924,8 @@ void iwl_bg_scan_completed(struct work_struct *work)
 
         IWL_DEBUG_SCAN(priv, "SCAN complete scan\n");
 
+        cancel_delayed_work(&priv->scan_check);
+
         ieee80211_scan_completed(priv->hw, false);
 
         if (test_bit(STATUS_EXIT_PENDING, &priv->status))
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 4cce66133500..ff4d0e41d7c4 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -782,13 +782,6 @@ static int iwl3945_set_mode(struct iwl_priv *priv, int mode)
         if (!iwl_is_ready_rf(priv))
                 return -EAGAIN;
 
-        cancel_delayed_work(&priv->scan_check);
-        if (iwl_scan_cancel_timeout(priv, 100)) {
-                IWL_WARN(priv, "Aborted scan still in progress after 100ms\n");
-                IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n");
-                return -EAGAIN;
-        }
-
         iwl3945_commit_rxon(priv);
 
         return 0;
@@ -3298,6 +3291,8 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
 
         mutex_lock(&priv->mutex);
 
+        cancel_delayed_work(&priv->scan_check);
+
         if (!iwl_is_ready(priv)) {
                 IWL_WARN(priv, "request scan called when driver not ready.\n");
                 goto done;
diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
index 07d378ef0b46..7b3ee8c2eaef 100644
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -138,7 +138,7 @@ void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
 
         if (cipher == CIPHER_TKIP_NO_MIC)
                 cipher = CIPHER_TKIP;
-        if (cipher == CIPHER_NONE || cipher > CIPHER_MAX)
+        if (cipher == CIPHER_NONE || cipher >= CIPHER_MAX)
                 return;
 
         /* Remove CIPHER_NONE index */
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 08265ca15785..487cb627ddba 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1551,6 +1551,13 @@ static int regulatory_hint_core(const char *alpha2)
 
         queue_regulatory_request(request);
 
+        /*
+         * This ensures last_request is populated once modules
+         * come swinging in and calling regulatory hints and
+         * wiphy_apply_custom_regulatory().
+         */
+        flush_scheduled_work();
+
         return 0;
 }
 
diff --git a/net/wireless/wext.c b/net/wireless/wext.c
index cb6a5bb85d80..0e59f9ae9b81 100644
--- a/net/wireless/wext.c
+++ b/net/wireless/wext.c
@@ -786,6 +786,13 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
                         err = -EFAULT;
                         goto out;
                 }
+
+                if (cmd == SIOCSIWENCODEEXT) {
+                        struct iw_encode_ext *ee = (void *) extra;
+
+                        if (iwp->length < sizeof(*ee) + ee->key_len)
+                                return -EFAULT;
+                }
         }
 
         err = handler(dev, info, (union iwreq_data *) iwp, extra);