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path: root/drivers/net/wireless/iwlwifi/iwl-scan.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-scan.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-scan.c37
1 files changed, 12 insertions, 25 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index f786a407638f..dd9ff2ed645a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -250,8 +250,6 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
if (!priv->is_internal_short_scan)
priv->next_scan_jiffies = 0;
- else
- priv->last_internal_scan_jiffies = jiffies;
IWL_DEBUG_INFO(priv, "Setting scan to off\n");
@@ -471,21 +469,6 @@ EXPORT_SYMBOL(iwl_init_scan_params);
static int iwl_scan_initiate(struct iwl_priv *priv)
{
- if (!iwl_is_ready_rf(priv)) {
- IWL_DEBUG_SCAN(priv, "Aborting scan due to not ready.\n");
- return -EIO;
- }
-
- if (test_bit(STATUS_SCANNING, &priv->status)) {
- IWL_DEBUG_SCAN(priv, "Scan already in progress.\n");
- return -EAGAIN;
- }
-
- if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
- IWL_DEBUG_SCAN(priv, "Scan request while abort pending\n");
- return -EAGAIN;
- }
-
IWL_DEBUG_INFO(priv, "Starting scan...\n");
set_bit(STATUS_SCANNING, &priv->status);
priv->is_internal_short_scan = false;
@@ -517,6 +500,18 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw,
goto out_unlock;
}
+ if (test_bit(STATUS_SCANNING, &priv->status)) {
+ IWL_DEBUG_SCAN(priv, "Scan already in progress.\n");
+ ret = -EAGAIN;
+ goto out_unlock;
+ }
+
+ if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
+ IWL_DEBUG_SCAN(priv, "Scan request while abort pending\n");
+ ret = -EAGAIN;
+ goto out_unlock;
+ }
+
/* We don't schedule scan within next_scan_jiffies period.
* Avoid scanning during possible EAPOL exchange, return
* success immediately.
@@ -551,8 +546,6 @@ EXPORT_SYMBOL(iwl_mac_hw_scan);
* internal short scan, this function should only been called while associated.
* It will reset and tune the radio to prevent possible RF related problem
*/
-#define IWL_DELAY_NEXT_INTERNAL_SCAN (HZ*1)
-
int iwl_internal_short_hw_scan(struct iwl_priv *priv)
{
int ret = 0;
@@ -572,12 +565,6 @@ int iwl_internal_short_hw_scan(struct iwl_priv *priv)
ret = -EAGAIN;
goto out;
}
- if (priv->last_internal_scan_jiffies &&
- time_after(priv->last_internal_scan_jiffies +
- IWL_DELAY_NEXT_INTERNAL_SCAN, jiffies)) {
- IWL_DEBUG_SCAN(priv, "internal scan rejected\n");
- goto out;
- }
priv->scan_bands = 0;
if (priv->band == IEEE80211_BAND_5GHZ)