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authorTomas Winkler <tomas.winkler@intel.com>2008-09-03 11:26:23 +0800
committerJohn W. Linville <linville@tuxdriver.com>2008-09-08 14:23:13 -0400
commitcb43dc251ab14fc047eb91944e8376d1611b95b2 (patch)
tree5320ba601a057613c955a20e1231fa2bd1ec5f45
parentcd56d3313dedaf68ec393974339edaacab74f82f (diff)
iwlwifi: clean up hw scan handler
This patch cleans up iwl_mac_hw_scan handler. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c35
1 files changed, 16 insertions, 19 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 676fc0acede..575c1d97828 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3179,9 +3179,9 @@ static void iwl4965_bss_info_changed(struct ieee80211_hw *hw,
}
-static int iwl4965_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len)
+static int iwl_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t ssid_len)
{
- int rc = 0;
+ int ret;
unsigned long flags;
struct iwl_priv *priv = hw->priv;
@@ -3191,41 +3191,38 @@ static int iwl4965_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len)
spin_lock_irqsave(&priv->lock, flags);
if (!iwl_is_ready_rf(priv)) {
- rc = -EIO;
+ ret = -EIO;
IWL_DEBUG_MAC80211("leave - not ready or exit pending\n");
goto out_unlock;
}
if (priv->iw_mode == IEEE80211_IF_TYPE_AP) { /* APs don't scan */
- rc = -EIO;
+ ret = -EIO;
IWL_ERROR("ERROR: APs don't scan\n");
goto out_unlock;
}
/* we don't schedule scan within next_scan_jiffies period */
if (priv->next_scan_jiffies &&
- time_after(priv->next_scan_jiffies, jiffies)) {
- rc = -EAGAIN;
+ time_after(priv->next_scan_jiffies, jiffies)) {
+ ret = -EAGAIN;
goto out_unlock;
}
/* if we just finished scan ask for delay */
- if (priv->last_scan_jiffies && time_after(priv->last_scan_jiffies +
- IWL_DELAY_NEXT_SCAN, jiffies)) {
- rc = -EAGAIN;
+ if (priv->last_scan_jiffies &&
+ time_after(priv->last_scan_jiffies + IWL_DELAY_NEXT_SCAN, jiffies)) {
+ ret = -EAGAIN;
goto out_unlock;
}
- if (len) {
- IWL_DEBUG_SCAN("direct scan for %s [%d]\n ",
- iwl_escape_essid(ssid, len), (int)len);
-
+ if (ssid_len) {
priv->one_direct_scan = 1;
- priv->direct_ssid_len = (u8)
- min((u8) len, (u8) IW_ESSID_MAX_SIZE);
+ priv->direct_ssid_len = min_t(u8, ssid_len, IW_ESSID_MAX_SIZE);
memcpy(priv->direct_ssid, ssid, priv->direct_ssid_len);
- } else
+ } else {
priv->one_direct_scan = 0;
+ }
- rc = iwl_scan_initiate(priv);
+ ret = iwl_scan_initiate(priv);
IWL_DEBUG_MAC80211("leave\n");
@@ -3233,7 +3230,7 @@ out_unlock:
spin_unlock_irqrestore(&priv->lock, flags);
mutex_unlock(&priv->mutex);
- return rc;
+ return ret;
}
static void iwl4965_mac_update_tkip_key(struct ieee80211_hw *hw,
@@ -4140,7 +4137,7 @@ static struct ieee80211_ops iwl4965_hw_ops = {
.reset_tsf = iwl4965_mac_reset_tsf,
.bss_info_changed = iwl4965_bss_info_changed,
.ampdu_action = iwl4965_mac_ampdu_action,
- .hw_scan = iwl4965_mac_hw_scan
+ .hw_scan = iwl_mac_hw_scan
};
static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)