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authorAvraham Stern <avraham.stern@intel.com>2016-07-05 15:23:12 +0300
committerJohannes Berg <johannes.berg@intel.com>2016-07-06 14:53:19 +0200
commit7947d3e075cde1a18e538f2dafbc850aa356ff79 (patch)
tree2d283b23e55dde9f32e3803d79c0b82c8c79907e
parent1d76250bd34af86c6498fc51e50cab3bfbbeceaa (diff)
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mac80211: Add support for beacon report radio measurement
Add the following to support beacon report radio measurement with the measurement mode field set to passive or active: 1. Propagate the required scan duration to the device 2. Report the scan start time (in terms of TSF) 3. Report each BSS's detection time (also in terms of TSF) TSF times refer to the BSS that the interface that requested the scan is connected to. Signed-off-by: Assaf Krauss <assaf.krauss@intel.com> Signed-off-by: Avraham Stern <avraham.stern@intel.com> [changed ath9k/10k, at76c59x-usb, iwlegacy, wl1251 and wlcore to match the new API] Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--drivers/net/wireless/ath/ath10k/mac.c14
-rw-r--r--drivers/net/wireless/ath/ath9k/channel.c5
-rw-r--r--drivers/net/wireless/atmel/at76c50x-usb.c5
-rw-r--r--drivers/net/wireless/intel/iwlegacy/common.c6
-rw-r--r--drivers/net/wireless/intel/iwlwifi/dvm/scan.c6
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/scan.c37
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c11
-rw-r--r--drivers/net/wireless/st/cw1200/scan.c6
-rw-r--r--drivers/net/wireless/ti/wl1251/event.c6
-rw-r--r--drivers/net/wireless/ti/wl1251/main.c6
-rw-r--r--drivers/net/wireless/ti/wlcore/main.c11
-rw-r--r--drivers/net/wireless/ti/wlcore/scan.c5
-rw-r--r--include/net/mac80211.h5
-rw-r--r--net/mac80211/ieee80211_i.h1
-rw-r--r--net/mac80211/scan.c42
15 files changed, 131 insertions, 35 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index d4b7a168f7c0..ebc12c521fe0 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -3858,12 +3858,16 @@ void __ath10k_scan_finish(struct ath10k *ar)
break;
case ATH10K_SCAN_RUNNING:
case ATH10K_SCAN_ABORTING:
- if (!ar->scan.is_roc)
- ieee80211_scan_completed(ar->hw,
- (ar->scan.state ==
- ATH10K_SCAN_ABORTING));
- else if (ar->scan.roc_notify)
+ if (!ar->scan.is_roc) {
+ struct cfg80211_scan_info info = {
+ .aborted = (ar->scan.state ==
+ ATH10K_SCAN_ABORTING),
+ };
+
+ ieee80211_scan_completed(ar->hw, &info);
+ } else if (ar->scan.roc_notify) {
ieee80211_remain_on_channel_expired(ar->hw);
+ }
/* fall through */
case ATH10K_SCAN_STARTING:
ar->scan.state = ATH10K_SCAN_IDLE;
diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c
index e56bafcf5864..57e26a640477 100644
--- a/drivers/net/wireless/ath/ath9k/channel.c
+++ b/drivers/net/wireless/ath/ath9k/channel.c
@@ -960,6 +960,9 @@ void ath_roc_complete(struct ath_softc *sc, enum ath_roc_complete_reason reason)
void ath_scan_complete(struct ath_softc *sc, bool abort)
{
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ struct cfg80211_scan_info info = {
+ .aborted = abort,
+ };
if (abort)
ath_dbg(common, CHAN_CTX, "HW scan aborted\n");
@@ -969,7 +972,7 @@ void ath_scan_complete(struct ath_softc *sc, bool abort)
sc->offchannel.scan_req = NULL;
sc->offchannel.scan_vif = NULL;
sc->offchannel.state = ATH_OFFCHANNEL_IDLE;
- ieee80211_scan_completed(sc->hw, abort);
+ ieee80211_scan_completed(sc->hw, &info);
clear_bit(ATH_OP_SCANNING, &common->op_flags);
spin_lock_bh(&sc->chan_lock);
if (test_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags))
diff --git a/drivers/net/wireless/atmel/at76c50x-usb.c b/drivers/net/wireless/atmel/at76c50x-usb.c
index 7c108047fb46..0e180677c7fc 100644
--- a/drivers/net/wireless/atmel/at76c50x-usb.c
+++ b/drivers/net/wireless/atmel/at76c50x-usb.c
@@ -1922,6 +1922,9 @@ static void at76_dwork_hw_scan(struct work_struct *work)
{
struct at76_priv *priv = container_of(work, struct at76_priv,
dwork_hw_scan.work);
+ struct cfg80211_scan_info info = {
+ .aborted = false,
+ };
int ret;
if (priv->device_unplugged)
@@ -1948,7 +1951,7 @@ static void at76_dwork_hw_scan(struct work_struct *work)
mutex_unlock(&priv->mtx);
- ieee80211_scan_completed(priv->hw, false);
+ ieee80211_scan_completed(priv->hw, &info);
ieee80211_wake_queues(priv->hw);
}
diff --git a/drivers/net/wireless/intel/iwlegacy/common.c b/drivers/net/wireless/intel/iwlegacy/common.c
index eb24b9241bb2..140b6ea8f7cc 100644
--- a/drivers/net/wireless/intel/iwlegacy/common.c
+++ b/drivers/net/wireless/intel/iwlegacy/common.c
@@ -1305,10 +1305,14 @@ il_send_scan_abort(struct il_priv *il)
static void
il_complete_scan(struct il_priv *il, bool aborted)
{
+ struct cfg80211_scan_info info = {
+ .aborted = aborted,
+ };
+
/* check if scan was requested from mac80211 */
if (il->scan_request) {
D_SCAN("Complete scan in mac80211\n");
- ieee80211_scan_completed(il->hw, aborted);
+ ieee80211_scan_completed(il->hw, &info);
}
il->scan_vif = NULL;
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/scan.c b/drivers/net/wireless/intel/iwlwifi/dvm/scan.c
index d01766f16175..17e6a32384d3 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/scan.c
@@ -94,10 +94,14 @@ static int iwl_send_scan_abort(struct iwl_priv *priv)
static void iwl_complete_scan(struct iwl_priv *priv, bool aborted)
{
+ struct cfg80211_scan_info info = {
+ .aborted = aborted,
+ };
+
/* check if scan was requested from mac80211 */
if (priv->scan_request) {
IWL_DEBUG_SCAN(priv, "Complete scan in mac80211\n");
- ieee80211_scan_completed(priv->hw, aborted);
+ ieee80211_scan_completed(priv->hw, &info);
}
priv->scan_type = IWL_SCAN_NORMAL;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index e78fc567ff7d..1cac10c5d818 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -391,13 +391,16 @@ void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
ieee80211_sched_scan_stopped(mvm->hw);
mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED;
} else if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) {
+ struct cfg80211_scan_info info = {
+ .aborted = aborted,
+ };
+
IWL_DEBUG_SCAN(mvm, "Regular scan %s, EBS status %s (FW)\n",
aborted ? "aborted" : "completed",
iwl_mvm_ebs_status_str(scan_notif->ebs_status));
mvm->scan_status &= ~IWL_MVM_SCAN_REGULAR;
- ieee80211_scan_completed(mvm->hw,
- scan_notif->status == IWL_SCAN_OFFLOAD_ABORTED);
+ ieee80211_scan_completed(mvm->hw, &info);
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
del_timer(&mvm->scan_timer);
} else {
@@ -1430,7 +1433,11 @@ void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
/* if the scan is already stopping, we don't need to notify mac80211 */
if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_REGULAR) {
- ieee80211_scan_completed(mvm->hw, aborted);
+ struct cfg80211_scan_info info = {
+ .aborted = aborted,
+ };
+
+ ieee80211_scan_completed(mvm->hw, &info);
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
del_timer(&mvm->scan_timer);
} else if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_SCHED) {
@@ -1564,7 +1571,11 @@ void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm)
uid = iwl_mvm_scan_uid_by_status(mvm, IWL_MVM_SCAN_REGULAR);
if (uid >= 0) {
- ieee80211_scan_completed(mvm->hw, true);
+ struct cfg80211_scan_info info = {
+ .aborted = true,
+ };
+
+ ieee80211_scan_completed(mvm->hw, &info);
mvm->scan_uid_status[uid] = 0;
}
uid = iwl_mvm_scan_uid_by_status(mvm, IWL_MVM_SCAN_SCHED);
@@ -1585,8 +1596,13 @@ void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm)
mvm->scan_uid_status[i] = 0;
}
} else {
- if (mvm->scan_status & IWL_MVM_SCAN_REGULAR)
- ieee80211_scan_completed(mvm->hw, true);
+ if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) {
+ struct cfg80211_scan_info info = {
+ .aborted = true,
+ };
+
+ ieee80211_scan_completed(mvm->hw, &info);
+ }
/* Sched scan will be restarted by mac80211 in
* restart_hw, so do not report if FW is about to be
@@ -1629,8 +1645,13 @@ out:
*/
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
del_timer(&mvm->scan_timer);
- if (notify)
- ieee80211_scan_completed(mvm->hw, true);
+ if (notify) {
+ struct cfg80211_scan_info info = {
+ .aborted = true,
+ };
+
+ ieee80211_scan_completed(mvm->hw, &info);
+ }
} else if (notify) {
ieee80211_sched_scan_stopped(mvm->hw);
mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED;
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 337794f9506e..8c35ac838fce 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -1941,8 +1941,12 @@ static void hw_scan_work(struct work_struct *work)
mutex_lock(&hwsim->mutex);
if (hwsim->scan_chan_idx >= req->n_channels) {
+ struct cfg80211_scan_info info = {
+ .aborted = false,
+ };
+
wiphy_debug(hwsim->hw->wiphy, "hw scan complete\n");
- ieee80211_scan_completed(hwsim->hw, false);
+ ieee80211_scan_completed(hwsim->hw, &info);
hwsim->hw_scan_request = NULL;
hwsim->hw_scan_vif = NULL;
hwsim->tmp_chan = NULL;
@@ -2027,13 +2031,16 @@ static void mac80211_hwsim_cancel_hw_scan(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct mac80211_hwsim_data *hwsim = hw->priv;
+ struct cfg80211_scan_info info = {
+ .aborted = true,
+ };
wiphy_debug(hw->wiphy, "hwsim cancel_hw_scan\n");
cancel_delayed_work_sync(&hwsim->hw_scan);
mutex_lock(&hwsim->mutex);
- ieee80211_scan_completed(hwsim->hw, true);
+ ieee80211_scan_completed(hwsim->hw, &info);
hwsim->tmp_chan = NULL;
hwsim->hw_scan_request = NULL;
hwsim->hw_scan_vif = NULL;
diff --git a/drivers/net/wireless/st/cw1200/scan.c b/drivers/net/wireless/st/cw1200/scan.c
index 983788156bb0..0a0ff7e31f5b 100644
--- a/drivers/net/wireless/st/cw1200/scan.c
+++ b/drivers/net/wireless/st/cw1200/scan.c
@@ -167,6 +167,10 @@ void cw1200_scan_work(struct work_struct *work)
}
if (!priv->scan.req || (priv->scan.curr == priv->scan.end)) {
+ struct cfg80211_scan_info info = {
+ .aborted = priv->scan.status ? 1 : 0,
+ };
+
if (priv->scan.output_power != priv->output_power)
wsm_set_output_power(priv, priv->output_power * 10);
if (priv->join_status == CW1200_JOIN_STATUS_STA &&
@@ -188,7 +192,7 @@ void cw1200_scan_work(struct work_struct *work)
cw1200_scan_restart_delayed(priv);
wsm_unlock_tx(priv);
mutex_unlock(&priv->conf_mutex);
- ieee80211_scan_completed(priv->hw, priv->scan.status ? 1 : 0);
+ ieee80211_scan_completed(priv->hw, &info);
up(&priv->scan.lock);
return;
} else {
diff --git a/drivers/net/wireless/ti/wl1251/event.c b/drivers/net/wireless/ti/wl1251/event.c
index c98630394a1a..d0593bc1f1a9 100644
--- a/drivers/net/wireless/ti/wl1251/event.c
+++ b/drivers/net/wireless/ti/wl1251/event.c
@@ -36,7 +36,11 @@ static int wl1251_event_scan_complete(struct wl1251 *wl,
mbox->scheduled_scan_channels);
if (wl->scanning) {
- ieee80211_scan_completed(wl->hw, false);
+ struct cfg80211_scan_info info = {
+ .aborted = false,
+ };
+
+ ieee80211_scan_completed(wl->hw, &info);
wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan completed");
wl->scanning = false;
if (wl->hw->conf.flags & IEEE80211_CONF_IDLE)
diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c
index 56384a4e2a35..bbf7604889b7 100644
--- a/drivers/net/wireless/ti/wl1251/main.c
+++ b/drivers/net/wireless/ti/wl1251/main.c
@@ -448,7 +448,11 @@ static void wl1251_op_stop(struct ieee80211_hw *hw)
WARN_ON(wl->state != WL1251_STATE_ON);
if (wl->scanning) {
- ieee80211_scan_completed(wl->hw, true);
+ struct cfg80211_scan_info info = {
+ .aborted = true,
+ };
+
+ ieee80211_scan_completed(wl->hw, &info);
wl->scanning = false;
}
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 10fd24c28ece..69267d592504 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -2615,6 +2615,10 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl,
if (wl->scan.state != WL1271_SCAN_STATE_IDLE &&
wl->scan_wlvif == wlvif) {
+ struct cfg80211_scan_info info = {
+ .aborted = true,
+ };
+
/*
* Rearm the tx watchdog just before idling scan. This
* prevents just-finished scans from triggering the watchdog
@@ -2625,7 +2629,7 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl,
memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch));
wl->scan_wlvif = NULL;
wl->scan.req = NULL;
- ieee80211_scan_completed(wl->hw, true);
+ ieee80211_scan_completed(wl->hw, &info);
}
if (wl->sched_vif == wlvif)
@@ -3649,6 +3653,9 @@ static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw,
{
struct wl1271 *wl = hw->priv;
struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
+ struct cfg80211_scan_info info = {
+ .aborted = true,
+ };
int ret;
wl1271_debug(DEBUG_MAC80211, "mac80211 cancel hw scan");
@@ -3681,7 +3688,7 @@ static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw,
memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch));
wl->scan_wlvif = NULL;
wl->scan.req = NULL;
- ieee80211_scan_completed(wl->hw, true);
+ ieee80211_scan_completed(wl->hw, &info);
out_sleep:
wl1271_ps_elp_sleep(wl);
diff --git a/drivers/net/wireless/ti/wlcore/scan.c b/drivers/net/wireless/ti/wlcore/scan.c
index 23343643207a..5612f5916b4e 100644
--- a/drivers/net/wireless/ti/wlcore/scan.c
+++ b/drivers/net/wireless/ti/wlcore/scan.c
@@ -36,6 +36,9 @@ void wl1271_scan_complete_work(struct work_struct *work)
struct delayed_work *dwork;
struct wl1271 *wl;
struct wl12xx_vif *wlvif;
+ struct cfg80211_scan_info info = {
+ .aborted = false,
+ };
int ret;
dwork = to_delayed_work(work);
@@ -82,7 +85,7 @@ void wl1271_scan_complete_work(struct work_struct *work)
wlcore_cmd_regdomain_config_locked(wl);
- ieee80211_scan_completed(wl->hw, false);
+ ieee80211_scan_completed(wl->hw, &info);
out:
mutex_unlock(&wl->mutex);
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index a52009ffc19f..b4faadbb4e01 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -4697,9 +4697,10 @@ void ieee80211_wake_queues(struct ieee80211_hw *hw);
* any context, including hardirq context.
*
* @hw: the hardware that finished the scan
- * @aborted: set to true if scan was aborted
+ * @info: information about the completed scan
*/
-void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted);
+void ieee80211_scan_completed(struct ieee80211_hw *hw,
+ struct cfg80211_scan_info *info);
/**
* ieee80211_sched_scan_results - got results from scheduled scan
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 54edfb6fc1d1..f56d342c31b8 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1250,6 +1250,7 @@ struct ieee80211_local {
int scan_channel_idx;
int scan_ies_len;
int hw_scan_ies_bufsize;
+ struct cfg80211_scan_info scan_info;
struct work_struct sched_scan_stopped_work;
struct ieee80211_sub_if_data __rcu *sched_scan_sdata;
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 4ec1c52a1549..8d4a9cd8a39a 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -7,6 +7,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2013-2015 Intel Mobile Communications GmbH
+ * Copyright 2016 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -70,6 +71,7 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
.boottime_ns = rx_status->boottime_ns,
};
bool signal_valid;
+ struct ieee80211_sub_if_data *scan_sdata;
if (ieee80211_hw_check(&local->hw, SIGNAL_DBM))
bss_meta.signal = rx_status->signal * 100;
@@ -83,6 +85,20 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_10;
bss_meta.chan = channel;
+
+ rcu_read_lock();
+ scan_sdata = rcu_dereference(local->scan_sdata);
+ if (scan_sdata && scan_sdata->vif.type == NL80211_IFTYPE_STATION &&
+ scan_sdata->vif.bss_conf.assoc &&
+ ieee80211_have_rx_timestamp(rx_status)) {
+ bss_meta.parent_tsf =
+ ieee80211_calculate_rx_timestamp(local, rx_status,
+ len + FCS_LEN, 24);
+ ether_addr_copy(bss_meta.parent_bssid,
+ scan_sdata->vif.bss_conf.bssid);
+ }
+ rcu_read_unlock();
+
cbss = cfg80211_inform_bss_frame_data(local->hw.wiphy, &bss_meta,
mgmt, len, GFP_ATOMIC);
if (!cbss)
@@ -345,6 +361,11 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
if (rc == 0)
return;
+
+ /* HW scan failed and is going to be reported as done, so clear
+ * old scan info.
+ */
+ memset(&local->scan_info, 0, sizeof(local->scan_info));
}
kfree(local->hw_scan_req);
@@ -354,11 +375,8 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
lockdep_is_held(&local->mtx));
if (scan_req != local->int_scan_req) {
- struct cfg80211_scan_info info = {
- .aborted = aborted,
- };
-
- cfg80211_scan_done(scan_req, &info);
+ local->scan_info.aborted = aborted;
+ cfg80211_scan_done(scan_req, &local->scan_info);
}
RCU_INIT_POINTER(local->scan_req, NULL);
@@ -396,15 +414,19 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
ieee80211_start_next_roc(local);
}
-void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
+void ieee80211_scan_completed(struct ieee80211_hw *hw,
+ struct cfg80211_scan_info *info)
{
struct ieee80211_local *local = hw_to_local(hw);
- trace_api_scan_completed(local, aborted);
+ trace_api_scan_completed(local, info);
set_bit(SCAN_COMPLETED, &local->scanning);
- if (aborted)
+ if (info->aborted)
set_bit(SCAN_ABORTED, &local->scanning);
+
+ memcpy(&local->scan_info, info, sizeof(*info));
+
ieee80211_queue_delayed_work(&local->hw, &local->scan_work, 0);
}
EXPORT_SYMBOL(ieee80211_scan_completed);
@@ -571,6 +593,9 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
local->hw_scan_req->req.ie = ies;
local->hw_scan_req->req.flags = req->flags;
eth_broadcast_addr(local->hw_scan_req->req.bssid);
+ local->hw_scan_req->req.duration = req->duration;
+ local->hw_scan_req->req.duration_mandatory =
+ req->duration_mandatory;
local->hw_scan_band = 0;
@@ -1078,6 +1103,7 @@ void ieee80211_scan_cancel(struct ieee80211_local *local)
*/
cancel_delayed_work(&local->scan_work);
/* and clean up */
+ memset(&local->scan_info, 0, sizeof(local->scan_info));
__ieee80211_scan_completed(&local->hw, true);
out:
mutex_unlock(&local->mtx);