diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index a46adb7a91b7c4ce55d350f94dece67c14ad21c9..e1f1b41f7b13911b352eca1a6df119962c6be5dc 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1515,8 +1515,7 @@ struct cfg80211_ops {
int (*sched_scan_start)(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_sched_scan_request *request);
- int (*sched_scan_stop)(struct wiphy *wiphy, struct net_device *dev,
- bool driver_initiated);
+ int (*sched_scan_stop)(struct wiphy *wiphy, struct net_device *dev);
};
/*
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 303f33fcb84498a2661d575df2ddb51a7c485276..2d1c1a5f3c517faff0fdf572c28e77a10f4fe744 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1372,15 +1372,14 @@ ieee80211_sched_scan_start(struct wiphy *wiphy,
}
static int
-ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
- bool driver_initiated)
+ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (!sdata->local->ops->sched_scan_stop)
return -EOPNOTSUPP;
- return ieee80211_request_sched_scan_stop(sdata, driver_initiated);
+ return ieee80211_request_sched_scan_stop(sdata);
}
static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 6f55a789c0990cace45459372f62a5b318194246..82f90ff8bb18a0833f20bb663318e9eb2cf11e4e 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -849,6 +849,7 @@ struct ieee80211_local {
bool sched_scanning;
struct ieee80211_sched_scan_ies sched_scan_ies;
+ struct work_struct sched_scan_stopped_work;
unsigned long leave_oper_channel_time;
enum mac80211_scan_state next_scan_state;
@@ -1160,8 +1161,8 @@ void ieee80211_rx_bss_put(struct ieee80211_local *local,
/* scheduled scan handling */
int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
struct cfg80211_sched_scan_request *req);
-int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata,
- bool driver_initiated);
+int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata);
+void ieee80211_sched_scan_stopped_work(struct work_struct *work);
/* off-channel helpers */
bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 30e6a682a047aa396c3bab54b20801d55cf31811..7f89011fa22d049d177767f4d0057aa647332c87 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -652,6 +652,9 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
setup_timer(&local->dynamic_ps_timer,
ieee80211_dynamic_ps_timer, (unsigned long) local);
+ INIT_WORK(&local->sched_scan_stopped_work,
+ ieee80211_sched_scan_stopped_work);
+
sta_info_init(local);
for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index ea44a8e941ec93627948bcffa05707886f66cf66..d20046b5d8f4953bb4ae4007e927ccee1505985a 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -902,8 +902,7 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
return ret;
}
-int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata,
- bool driver_initiated)
+int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
int ret = 0, i;
@@ -919,11 +918,9 @@ int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata,
for (i = 0; i < IEEE80211_NUM_BANDS; i++)
kfree(local->sched_scan_ies.ie[i]);
- if (!driver_initiated)
- drv_sched_scan_stop(local, sdata);
+ drv_sched_scan_stop(local, sdata);
local->sched_scanning = false;
}
-
out:
mutex_unlock(&sdata->local->mtx);
@@ -940,12 +937,36 @@ void ieee80211_sched_scan_results(struct ieee80211_hw *hw)
}
EXPORT_SYMBOL(ieee80211_sched_scan_results);
+void ieee80211_sched_scan_stopped_work(struct work_struct *work)
+{
+ struct ieee80211_local *local =
+ container_of(work, struct ieee80211_local,
+ sched_scan_stopped_work);
+ int i;
+
+ mutex_lock(&local->mtx);
+
+ if (!local->sched_scanning) {
+ mutex_unlock(&local->mtx);
+ return;
+ }
+
+ for (i = 0; i < IEEE80211_NUM_BANDS; i++)
+ kfree(local->sched_scan_ies.ie[i]);
+
+ local->sched_scanning = false;
+
+ mutex_unlock(&local->mtx);
+
+ cfg80211_sched_scan_stopped(local->hw.wiphy);
+}
+
void ieee80211_sched_scan_stopped(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
trace_api_sched_scan_stopped(local);
- cfg80211_sched_scan_stopped(hw->wiphy);
+ ieee80211_queue_work(&local->hw, &local->sched_scan_stopped_work);
}
EXPORT_SYMBOL(ieee80211_sched_scan_stopped);
diff --git a/net/wireless/core.c b/net/wireless/core.c
index e2ab65d7c86dd2dcee8bf67a22dabfeaabf25a6a..18b002f168604085ffe51376b122422685a557c7 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -371,7 +371,6 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
INIT_LIST_HEAD(&rdev->bss_list);
INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done);
INIT_WORK(&rdev->sched_scan_results_wk, __cfg80211_sched_scan_results);
- INIT_WORK(&rdev->sched_scan_stopped_wk, __cfg80211_sched_scan_stopped);
#ifdef CONFIG_CFG80211_WEXT
rdev->wiphy.wext = &cfg80211_wext_handler;
#endif
diff --git a/net/wireless/core.h b/net/wireless/core.h
index fd9135f9b5be72c033d6bd04efe8d08e4241a8a0..d4b8f4c0bbbb68b8278dc5f5f4b7d5aee45215ec 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -64,7 +64,6 @@ struct cfg80211_registered_device {
unsigned long suspend_at;
struct work_struct scan_done_wk;
struct work_struct sched_scan_results_wk;
- struct work_struct sched_scan_stopped_wk;
#ifdef CONFIG_NL80211_TESTMODE
struct genl_info *testmode_info;
@@ -417,7 +416,6 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak);
void __cfg80211_sched_scan_results(struct work_struct *wk);
int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
bool driver_initiated);
-void __cfg80211_sched_scan_stopped(struct work_struct *wk);
void cfg80211_upload_connect_keys(struct wireless_dev *wdev);
int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
struct net_device *dev, enum nl80211_iftype ntype,
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 65dfae3b9d41c3fac33738050f3a208a89defe68..73a441d237b59ea89eaef14598299877459a3f61 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -119,22 +119,14 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy)
}
EXPORT_SYMBOL(cfg80211_sched_scan_results);
-void __cfg80211_sched_scan_stopped(struct work_struct *wk)
+void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
{
- struct cfg80211_registered_device *rdev;
-
- rdev = container_of(wk, struct cfg80211_registered_device,
- sched_scan_stopped_wk);
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
cfg80211_lock_rdev(rdev);
__cfg80211_stop_sched_scan(rdev, true);
cfg80211_unlock_rdev(rdev);
}
-
-void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
-{
- queue_work(cfg80211_wq, &wiphy_to_dev(wiphy)->sched_scan_stopped_wk);
-}
EXPORT_SYMBOL(cfg80211_sched_scan_stopped);
int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
@@ -150,10 +142,11 @@ int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
dev = rdev->sched_scan_req->dev;
- err = rdev->ops->sched_scan_stop(&rdev->wiphy, dev,
- driver_initiated);
- if (err)
- return err;
+ if (!driver_initiated) {
+ err = rdev->ops->sched_scan_stop(&rdev->wiphy, dev);
+ if (err)
+ return err;
+ }
nl80211_send_sched_scan(rdev, dev, NL80211_CMD_SCHED_SCAN_STOPPED);