iwlwifi: remove STATUS_MODE_PENDING

Since rfkill integration, mac80211 can no
longer add an interface while the hardware
is not ready, so STATUS_MODE_PENDING can
never be set.

Also, remove another superfluous channel
sanity check and return the commit_rxon
return value in case it failed.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index b07c013..6c816d9 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2144,9 +2144,6 @@ static void iwl_alive_start(struct iwl_priv *priv)
 
        iwl_power_update_mode(priv, true);
 
-       if (test_and_clear_bit(STATUS_MODE_PENDING, &priv->status))
-               iwl_set_mode(priv, priv->iw_mode);
-
        return;
 
  restart:

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 5fa1da1..a962fb3 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2275,23 +2275,9 @@ int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
 }
 EXPORT_SYMBOL(iwl_mac_beacon_update);
 
-int iwl_set_mode(struct iwl_priv *priv, int mode)
+static int iwl_set_mode(struct iwl_priv *priv, struct ieee80211_vif *vif)
 {
-       if (mode == NL80211_IFTYPE_ADHOC) {
-               const struct iwl_channel_info *ch_info;
-
-               ch_info = iwl_get_channel_info(priv,
-                       priv->band,
-                       le16_to_cpu(priv->staging_rxon.channel));
-
-               if (!ch_info || !is_channel_ibss(ch_info)) {
-                       IWL_ERR(priv, "channel %d not IBSS channel\n",
-                                 le16_to_cpu(priv->staging_rxon.channel));
-                       return -EINVAL;
-               }
-       }
-
-       iwl_connection_init_rx_config(priv, mode);
+       iwl_connection_init_rx_config(priv, vif->type);
 
        if (priv->cfg->ops->hcmd->set_rxon_chain)
                priv->cfg->ops->hcmd->set_rxon_chain(priv);
@@ -2300,18 +2286,10 @@ int iwl_set_mode(struct iwl_priv *priv, int mode)
 
        iwl_clear_stations_table(priv);
 
-       /* dont commit rxon if rf-kill is on*/
-       if (!iwl_is_ready_rf(priv))
-               return -EAGAIN;
-
-       iwlcore_commit_rxon(priv);
-
-       return 0;
+       return iwlcore_commit_rxon(priv);
 }
-EXPORT_SYMBOL(iwl_set_mode);
 
-int iwl_mac_add_interface(struct ieee80211_hw *hw,
-                                struct ieee80211_vif *vif)
+int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
        struct iwl_priv *priv = hw->priv;
        int err = 0;
@@ -2320,6 +2298,11 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw,
 
        mutex_lock(&priv->mutex);
 
+       if (WARN_ON(!iwl_is_ready_rf(priv))) {
+               err = -EINVAL;
+               goto out;
+       }
+
        if (priv->vif) {
                IWL_DEBUG_MAC80211(priv, "leave - vif != NULL\n");
                err = -EOPNOTSUPP;
@@ -2329,15 +2312,17 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw,
        priv->vif = vif;
        priv->iw_mode = vif->type;
 
-       if (vif->addr) {
-               IWL_DEBUG_MAC80211(priv, "Set %pM\n", vif->addr);
-               memcpy(priv->mac_addr, vif->addr, ETH_ALEN);
-       }
+       IWL_DEBUG_MAC80211(priv, "Set %pM\n", vif->addr);
+       memcpy(priv->mac_addr, vif->addr, ETH_ALEN);
 
-       if (iwl_set_mode(priv, vif->type) == -EAGAIN)
-               /* we are not ready, will run again when ready */
-               set_bit(STATUS_MODE_PENDING, &priv->status);
+       err = iwl_set_mode(priv, vif);
+       if (err)
+               goto out_err;
+       goto out;
 
+ out_err:
+       priv->vif = NULL;
+       priv->iw_mode = NL80211_IFTYPE_STATION;
  out:
        mutex_unlock(&priv->mutex);
 
@@ -2347,7 +2332,7 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw,
 EXPORT_SYMBOL(iwl_mac_add_interface);
 
 void iwl_mac_remove_interface(struct ieee80211_hw *hw,
-                                    struct ieee80211_vif *vif)
+                             struct ieee80211_vif *vif)
 {
        struct iwl_priv *priv = hw->priv;
 

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index f493248..bec00c7 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -336,7 +336,6 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
                                     u32 changes);
 int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb);
 int iwl_commit_rxon(struct iwl_priv *priv);
-int iwl_set_mode(struct iwl_priv *priv, int mode);
 int iwl_mac_add_interface(struct ieee80211_hw *hw,
                          struct ieee80211_vif *vif);
 void iwl_mac_remove_interface(struct ieee80211_hw *hw,
@@ -617,7 +616,6 @@ void iwlcore_free_geos(struct iwl_priv *priv);
 #define STATUS_SCAN_HW         15
 #define STATUS_POWER_PMI       16
 #define STATUS_FW_ERROR                17
-#define STATUS_MODE_PENDING    18
 
 
 static inline int iwl_is_ready(struct iwl_priv *priv)

diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 7bf44f1..fc084dd 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -560,8 +560,6 @@ static ssize_t iwl_dbgfs_status_read(struct file *file,
                test_bit(STATUS_POWER_PMI, &priv->status));
        pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
                test_bit(STATUS_FW_ERROR, &priv->status));
-       pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
-               test_bit(STATUS_MODE_PENDING, &priv->status));
        return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 

diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index bdd5fc7..2fd1b3d 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2537,9 +2537,6 @@ static void iwl3945_alive_start(struct iwl_priv *priv)
        set_bit(STATUS_READY, &priv->status);
        wake_up_interruptible(&priv->wait_command_queue);
 
-       if (test_and_clear_bit(STATUS_MODE_PENDING, &priv->status))
-               iwl_set_mode(priv, priv->iw_mode);
-
        return;
 
  restart: