diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl3945-base.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 50 |
1 files changed, 36 insertions, 14 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index ae352daeb3f..bab42a1351c 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -6965,6 +6965,8 @@ static void iwl3945_bg_abort_scan(struct work_struct *work) mutex_unlock(&priv->mutex); } +static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf); + static void iwl3945_bg_scan_completed(struct work_struct *work) { struct iwl3945_priv *priv = @@ -6975,6 +6977,9 @@ static void iwl3945_bg_scan_completed(struct work_struct *work) if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; + if (priv->cache_conf) + iwl3945_mac_config(priv->hw, priv->cache_conf); + ieee80211_scan_completed(priv->hw); /* Since setting the TXPOWER may have been deferred while @@ -7104,23 +7109,38 @@ static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *co struct iwl3945_priv *priv = hw->priv; const struct iwl3945_channel_info *ch_info; unsigned long flags; + int ret = 0; mutex_lock(&priv->mutex); IWL_DEBUG_MAC80211("enter to channel %d\n", conf->channel); if (!iwl3945_is_ready(priv)) { IWL_DEBUG_MAC80211("leave - not ready\n"); - mutex_unlock(&priv->mutex); - return -EIO; + ret = -EIO; + goto out; } /* TODO: Figure out how to get ieee80211_local->sta_scanning w/ only * what is exposed through include/ declarations */ if (unlikely(!iwl3945_param_disable_hw_scan && test_bit(STATUS_SCANNING, &priv->status))) { - IWL_DEBUG_MAC80211("leave - scanning\n"); + + if (priv->cache_conf) + IWL_DEBUG_MAC80211("leave - still scanning\n"); + else { + /* Cache the configuration now so that we can + * replay it after the hardware scan is finished. */ + priv->cache_conf = kmalloc(sizeof(*conf), GFP_KERNEL); + if (priv->cache_conf) { + memcpy(priv->cache_conf, conf, sizeof(*conf)); + IWL_DEBUG_MAC80211("leave - scanning\n"); + } else { + IWL_DEBUG_MAC80211("leave - no memory\n"); + ret = -ENOMEM; + } + } mutex_unlock(&priv->mutex); - return 0; + return ret; } spin_lock_irqsave(&priv->lock, flags); @@ -7131,8 +7151,8 @@ static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *co conf->channel, conf->phymode); IWL_DEBUG_MAC80211("leave - invalid channel\n"); spin_unlock_irqrestore(&priv->lock, flags); - mutex_unlock(&priv->mutex); - return -EINVAL; + ret = -EINVAL; + goto out; } iwl3945_set_rxon_channel(priv, conf->phymode, conf->channel); @@ -7149,8 +7169,7 @@ static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *co #ifdef IEEE80211_CONF_CHANNEL_SWITCH if (conf->flags & IEEE80211_CONF_CHANNEL_SWITCH) { iwl3945_hw_channel_switch(priv, conf->channel); - mutex_unlock(&priv->mutex); - return 0; + goto out; } #endif @@ -7158,14 +7177,13 @@ static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *co if (!conf->radio_enabled) { IWL_DEBUG_MAC80211("leave - radio disabled\n"); - mutex_unlock(&priv->mutex); - return 0; + goto out; } if (iwl3945_is_rfkill(priv)) { IWL_DEBUG_MAC80211("leave - RF kill\n"); - mutex_unlock(&priv->mutex); - return -EIO; + ret = -EIO; + goto out; } iwl3945_set_rate(priv); @@ -7178,9 +7196,13 @@ static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *co IWL_DEBUG_MAC80211("leave\n"); +out: + if (priv->cache_conf) { + kfree(priv->cache_conf); + priv->cache_conf = NULL; + } mutex_unlock(&priv->mutex); - - return 0; + return ret; } static void iwl3945_config_ap(struct iwl3945_priv *priv) |