4 files changed, 29 insertions, 7 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index 9b60a0c5de5f..21c841847d88 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -638,12 +638,16 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
         s8 scale_action = 0;
         unsigned long flags;
         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-        u16 fc, rate_mask;
+        u16 fc;
+        u16 rate_mask = 0;
         struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_r;
         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
         IWL_DEBUG_RATE("enter\n");
 
+        if (sta)
+                rate_mask = sta->supp_rates[sband->band];
+
         /* Send management frames and broadcast/multicast data using lowest
          * rate. */
         fc = le16_to_cpu(hdr->frame_control);
@@ -651,11 +655,15 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
             is_multicast_ether_addr(hdr->addr1) ||
             !sta || !priv_sta) {
                 IWL_DEBUG_RATE("leave: No STA priv data to update!\n");
-                info->control.rates[0].idx = rate_lowest_index(sband, sta);
+                if (!rate_mask)
+                        info->control.rates[0].idx =
+                                        rate_lowest_index(sband, NULL);
+                else
+                        info->control.rates[0].idx =
+                                        rate_lowest_index(sband, sta);
                 return;
         }
 
-        rate_mask = sta->supp_rates[sband->band];
         index = min(rs_sta->last_txrate_idx & 0xffff, IWL_RATE_COUNT - 1);
 
         if (sband->band == IEEE80211_BAND_5GHZ)
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index f3f17929ca0b..27f50471aed8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -944,7 +944,8 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
         }
 
         /* See if there's a better rate or modulation mode to try. */
-        rs_rate_scale_perform(priv, hdr, sta, lq_sta);
+        if (sta && sta->supp_rates[sband->band])
+                rs_rate_scale_perform(priv, hdr, sta, lq_sta);
 out:
         return;
 }
@@ -2101,14 +2102,23 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta,
         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
         struct iwl_lq_sta *lq_sta = priv_sta;
         int rate_idx;
+        u64 mask_bit = 0;
 
         IWL_DEBUG_RATE_LIMIT("rate scale calculate new rate for skb\n");
 
+        if (sta)
+                mask_bit = sta->supp_rates[sband->band];
+
         /* Send management frames and broadcast/multicast data using lowest
          * rate. */
         if (!ieee80211_is_data(hdr->frame_control) ||
             is_multicast_ether_addr(hdr->addr1) || !sta || !lq_sta) {
-                info->control.rates[0].idx = rate_lowest_index(sband, sta);
+                if (!mask_bit)
+                        info->control.rates[0].idx =
+                                        rate_lowest_index(sband, NULL);
+                else
+                        info->control.rates[0].idx =
+                                        rate_lowest_index(sband, sta);
                 return;
         }
 
diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c
index 4487cc5c928b..5de2ebfb28c7 100644
--- a/drivers/net/wireless/p54/p54usb.c
+++ b/drivers/net/wireless/p54/p54usb.c
@@ -229,6 +229,8 @@ static void p54u_tx_3887(struct ieee80211_hw *dev, struct sk_buff *skb)
                           usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA),
                           skb->data, skb->len, FREE_AFTER_TX(skb) ?
                           p54u_tx_cb : p54u_tx_dummy_cb, skb);
+        addr_urb->transfer_flags |= URB_ZERO_PACKET;
+        data_urb->transfer_flags |= URB_ZERO_PACKET;
 
         usb_anchor_urb(addr_urb, &priv->submitted);
         err = usb_submit_urb(addr_urb, GFP_ATOMIC);
@@ -237,7 +239,7 @@ static void p54u_tx_3887(struct ieee80211_hw *dev, struct sk_buff *skb)
                 goto out;
         }
 
-        usb_anchor_urb(addr_urb, &priv->submitted);
+        usb_anchor_urb(data_urb, &priv->submitted);
         err = usb_submit_urb(data_urb, GFP_ATOMIC);
         if (err)
                 usb_unanchor_urb(data_urb);
@@ -332,12 +334,13 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb)
          * free what's inside the transfer_buffer after the callback routine
          * has completed.
          */
-        int_urb->transfer_flags |= URB_FREE_BUFFER;
+        int_urb->transfer_flags |= URB_FREE_BUFFER | URB_ZERO_PACKET;
 
         usb_fill_bulk_urb(data_urb, priv->udev,
                           usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA),
                           hdr, skb->len + sizeof(*hdr), FREE_AFTER_TX(skb) ?
                           p54u_tx_cb : p54u_tx_dummy_cb, skb);
+        data_urb->transfer_flags |= URB_ZERO_PACKET;
 
         usb_anchor_urb(int_urb, &priv->submitted);
         err = usb_submit_urb(int_urb, GFP_ATOMIC);
diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c
index 6ad6bac37706..22bc07ef2f37 100644
--- a/drivers/net/wireless/rtl818x/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c
@@ -273,6 +273,7 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
 
         usb_fill_bulk_urb(urb, priv->udev, usb_sndbulkpipe(priv->udev, ep),
                           buf, skb->len, rtl8187_tx_cb, skb);
+        urb->transfer_flags |= URB_ZERO_PACKET;
         usb_anchor_urb(urb, &priv->anchored);
         rc = usb_submit_urb(urb, GFP_ATOMIC);
         if (rc < 0) {