diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-scan.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-scan.c | 40 |
1 files changed, 27 insertions, 13 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 5d3f51ff2f0..b8bcd48eb8f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -333,7 +333,8 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw, goto out_unlock; } - if (test_bit(STATUS_SCANNING, &priv->status)) { + if (test_bit(STATUS_SCANNING, &priv->status) && + !priv->is_internal_short_scan) { IWL_DEBUG_SCAN(priv, "Scan already in progress.\n"); ret = -EAGAIN; goto out_unlock; @@ -348,8 +349,16 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw, /* mac80211 will only ask for one band at a time */ priv->scan_band = req->channels[0]->band; priv->scan_request = req; + priv->scan_vif = vif; - ret = iwl_scan_initiate(priv, vif); + /* + * If an internal scan is in progress, just set + * up the scan_request as per above. + */ + if (priv->is_internal_short_scan) + ret = 0; + else + ret = iwl_scan_initiate(priv, vif); IWL_DEBUG_MAC80211(priv, "leave\n"); @@ -438,7 +447,7 @@ EXPORT_SYMBOL(iwl_bg_scan_check); */ u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame, - const u8 *ies, int ie_len, int left) + const u8 *ta, const u8 *ies, int ie_len, int left) { int len = 0; u8 *pos = NULL; @@ -451,7 +460,7 @@ u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame, frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); memcpy(frame->da, iwl_bcast_addr, ETH_ALEN); - memcpy(frame->sa, priv->mac_addr, ETH_ALEN); + memcpy(frame->sa, ta, ETH_ALEN); memcpy(frame->bssid, iwl_bcast_addr, ETH_ALEN); frame->seq_ctrl = 0; @@ -513,7 +522,21 @@ void iwl_bg_scan_completed(struct work_struct *work) priv->is_internal_short_scan = false; IWL_DEBUG_SCAN(priv, "internal short scan completed\n"); internal = true; + } else { + priv->scan_request = NULL; + priv->scan_vif = NULL; } + + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + goto out; + + if (internal && priv->scan_request) + iwl_scan_initiate(priv, priv->scan_vif); + + /* Since setting the TXPOWER may have been deferred while + * performing the scan, fire one off */ + iwl_set_tx_power(priv, priv->tx_power_user_lmt, true); + out: mutex_unlock(&priv->mutex); /* @@ -523,15 +546,6 @@ void iwl_bg_scan_completed(struct work_struct *work) */ if (!internal) ieee80211_scan_completed(priv->hw, false); - - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; - - /* Since setting the TXPOWER may have been deferred while - * performing the scan, fire one off */ - mutex_lock(&priv->mutex); - iwl_set_tx_power(priv, priv->tx_power_user_lmt, true); - mutex_unlock(&priv->mutex); } EXPORT_SYMBOL(iwl_bg_scan_completed); |