iwlwifi: fix iwl_mac_set_key and iwl3945_mac_set_key

This patch fix iwl_mac_set_key function changed in patch
"mac80211: clean up set_key callback"

1. removing 'static' const u8 *addr' that can possible cause
conflict when two or more NICs are present in the system.
2. simplifying functions

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 13 insertions, 20 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index be14cd942a53..7e0baf6deedf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2998,12 +2998,10 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
                            struct ieee80211_key_conf *key)
 {
         struct iwl_priv *priv = hw->priv;
-        int ret = 0;
-        u8 sta_id = IWL_INVALID_STATION;
-        u8 is_default_wep_key = 0;
-        static const u8 bcast_addr[ETH_ALEN] =
-                { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, };
-        static const u8 *addr;
+        const u8 *addr;
+        int ret;
+        u8 sta_id;
+        bool is_default_wep_key = false;
 
         IWL_DEBUG_MAC80211("enter\n");
 
@@ -3011,9 +3009,7 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
                 IWL_DEBUG_MAC80211("leave - hwcrypto disabled\n");
                 return -EOPNOTSUPP;
         }
-
-        addr = sta ? sta->addr : bcast_addr;
-
+        addr = sta ? sta->addr : iwl_bcast_addr;
         sta_id = iwl_find_station(priv, addr);
         if (sta_id == IWL_INVALID_STATION) {
                 IWL_DEBUG_MAC80211("leave - %pM not in station map.\n",
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index b916f00b61bf..010df19d01ef 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -6500,10 +6500,8 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 {
         struct iwl_priv *priv = hw->priv;
         const u8 *addr;
-        int rc = 0;
+        int ret;
         u8 sta_id;
-        static const u8 bcast_addr[ETH_ALEN] =
-                { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 
         IWL_DEBUG_MAC80211("enter\n");
 
@@ -6512,8 +6510,7 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
                 return -EOPNOTSUPP;
         }
 
-        addr = sta ? sta->addr : bcast_addr;
-
+        addr = sta ? sta->addr : iwl_bcast_addr;
         sta_id = iwl3945_hw_find_station(priv, addr);
         if (sta_id == IWL_INVALID_STATION) {
                 IWL_DEBUG_MAC80211("leave - %pM not in station map.\n",
@@ -6527,8 +6524,8 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 
         switch (cmd) {
         case  SET_KEY:
-                rc = iwl3945_update_sta_key_info(priv, key, sta_id);
-                if (!rc) {
+                ret = iwl3945_update_sta_key_info(priv, key, sta_id);
+                if (!ret) {
                         iwl3945_set_rxon_hwcrypto(priv, 1);
                         iwl3945_commit_rxon(priv);
                         key->hw_key_idx = sta_id;
@@ -6537,21 +6534,21 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
                 }
                 break;
         case DISABLE_KEY:
-                rc = iwl3945_clear_sta_key_info(priv, sta_id);
-                if (!rc) {
+                ret = iwl3945_clear_sta_key_info(priv, sta_id);
+                if (!ret) {
                         iwl3945_set_rxon_hwcrypto(priv, 0);
                         iwl3945_commit_rxon(priv);
                         IWL_DEBUG_MAC80211("disable hwcrypto key\n");
                 }
                 break;
         default:
-                rc = -EINVAL;
+                ret = -EINVAL;
         }
 
         IWL_DEBUG_MAC80211("leave\n");
         mutex_unlock(&priv->mutex);
 
-        return rc;
+        return ret;
 }
 
 static int iwl3945_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,