iwlwifi: remove rs_get_rate workaround

This removes the work around implemented for transmitting on
an unsupported band on iwlwifi. This was added via the patch:

8e1856e82cb8f541e925738bebfbc473420cda68:
iwlwifi: fix rs_get_rate WARN_ON()

Cc: Mohamed Abbas <mohamed.abbas@intel.com>
Cc: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index 5eb538d..b23fd53 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -674,28 +674,20 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
        unsigned long flags;
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
        u16 fc;
-       u16 rate_mask = 0;
+       u16 rate_mask = sta ? sta->supp_rates[sband->band] : 0;
        s8 max_rate_idx = -1;
        struct iwl_priv *priv = (struct iwl_priv *)priv_r;
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
        IWL_DEBUG_RATE(priv, "enter\n");
 
-       if (sta)
-               rate_mask = sta->supp_rates[sband->band];
-
        /* Send management frames and NO_ACK data using lowest rate. */
        fc = le16_to_cpu(hdr->frame_control);
        if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
            info->flags & IEEE80211_TX_CTL_NO_ACK ||
            !sta || !priv_sta) {
                IWL_DEBUG_RATE(priv, "leave: No STA priv data to update!\n");
-               if (!rate_mask)
-                       info->control.rates[0].idx =
-                                       rate_lowest_index(sband, NULL);
-               else
-                       info->control.rates[0].idx =
-                                       rate_lowest_index(sband, sta);
+               info->control.rates[0].idx = rate_lowest_index(sband, sta);
                if (info->flags & IEEE80211_TX_CTL_NO_ACK)
                        info->control.rates[0].count = 1;
                return;

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index ff20e50..3fea027 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -2466,7 +2466,6 @@ 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(priv, "rate scale calculate new rate for skb\n");
 
@@ -2481,18 +2480,10 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta,
                        lq_sta->max_rate_idx = -1;
        }
 
-       if (sta)
-               mask_bit = sta->supp_rates[sband->band];
-
        /* Send management frames and NO_ACK data using lowest rate. */
        if (!ieee80211_is_data(hdr->frame_control) ||
            info->flags & IEEE80211_TX_CTL_NO_ACK || !sta || !lq_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);
+               info->control.rates[0].idx = rate_lowest_index(sband, sta);
                if (info->flags & IEEE80211_TX_CTL_NO_ACK)
                        info->control.rates[0].count = 1;
                return;