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-rw-r--r--net/wireless/Kconfig2
-rw-r--r--net/wireless/core.c6
-rw-r--r--net/wireless/core.h2
-rw-r--r--net/wireless/mlme.c26
4 files changed, 27 insertions, 9 deletions
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index e9a712fb2392..faf74850a1b5 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -31,7 +31,7 @@ config CFG80211
For more information refer to documentation on the wireless wiki:
- http://wireless.kernel.org/en/developers/Documentation/cfg80211
+ https://wireless.wiki.kernel.org/en/developers/Documentation/cfg80211
When built as a module it will be called cfg80211.
diff --git a/net/wireless/core.c b/net/wireless/core.c
index f0226ae9561c..c623d9bf5096 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -497,6 +497,8 @@ use_default_name:
INIT_WORK(&rdev->propagate_radar_detect_wk,
cfg80211_propagate_radar_detect_wk);
INIT_WORK(&rdev->propagate_cac_done_wk, cfg80211_propagate_cac_done_wk);
+ INIT_WORK(&rdev->mgmt_registrations_update_wk,
+ cfg80211_mgmt_registrations_update_wk);
#ifdef CONFIG_CFG80211_DEFAULT_PS
rdev->wiphy.flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
@@ -1047,6 +1049,7 @@ void wiphy_unregister(struct wiphy *wiphy)
flush_work(&rdev->sched_scan_stop_wk);
flush_work(&rdev->propagate_radar_detect_wk);
flush_work(&rdev->propagate_cac_done_wk);
+ flush_work(&rdev->mgmt_registrations_update_wk);
#ifdef CONFIG_PM
if (rdev->wiphy.wowlan_config && rdev->ops->set_wakeup)
@@ -1108,7 +1111,6 @@ static void __cfg80211_unregister_wdev(struct wireless_dev *wdev, bool sync)
rdev->devlist_generation++;
cfg80211_mlme_purge_registrations(wdev);
- flush_work(&wdev->mgmt_registrations_update_wk);
switch (wdev->iftype) {
case NL80211_IFTYPE_P2P_DEVICE:
@@ -1253,8 +1255,6 @@ void cfg80211_init_wdev(struct cfg80211_registered_device *rdev,
spin_lock_init(&wdev->event_lock);
INIT_LIST_HEAD(&wdev->mgmt_registrations);
spin_lock_init(&wdev->mgmt_registrations_lock);
- INIT_WORK(&wdev->mgmt_registrations_update_wk,
- cfg80211_mgmt_registrations_update_wk);
INIT_LIST_HEAD(&wdev->pmsr_list);
spin_lock_init(&wdev->pmsr_lock);
INIT_WORK(&wdev->pmsr_free_wk, cfg80211_pmsr_free_wk);
diff --git a/net/wireless/core.h b/net/wireless/core.h
index e0e5b3ee9699..67b0389fca4d 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -99,6 +99,8 @@ struct cfg80211_registered_device {
struct cfg80211_chan_def cac_done_chandef;
struct work_struct propagate_cac_done_wk;
+ struct work_struct mgmt_registrations_update_wk;
+
/* must be last because of the way we do wiphy_priv(),
* and it should at least be aligned to NETDEV_ALIGN */
struct wiphy wiphy __aligned(NETDEV_ALIGN);
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 189334314cba..a6c61a2e6569 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -440,9 +440,15 @@ static void cfg80211_mgmt_registrations_update(struct wireless_dev *wdev)
ASSERT_RTNL();
+ spin_lock_bh(&wdev->mgmt_registrations_lock);
+ if (!wdev->mgmt_registrations_need_update) {
+ spin_unlock_bh(&wdev->mgmt_registrations_lock);
+ return;
+ }
+
rcu_read_lock();
list_for_each_entry_rcu(tmp, &rdev->wiphy.wdev_list, list) {
- list_for_each_entry_rcu(reg, &tmp->mgmt_registrations, list) {
+ list_for_each_entry(reg, &tmp->mgmt_registrations, list) {
u32 mask = BIT(le16_to_cpu(reg->frame_type) >> 4);
u32 mcast_mask = 0;
@@ -460,16 +466,23 @@ static void cfg80211_mgmt_registrations_update(struct wireless_dev *wdev)
}
rcu_read_unlock();
+ wdev->mgmt_registrations_need_update = 0;
+ spin_unlock_bh(&wdev->mgmt_registrations_lock);
+
rdev_update_mgmt_frame_registrations(rdev, wdev, &upd);
}
void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk)
{
- struct wireless_dev *wdev = container_of(wk, struct wireless_dev,
- mgmt_registrations_update_wk);
+ struct cfg80211_registered_device *rdev;
+ struct wireless_dev *wdev;
+
+ rdev = container_of(wk, struct cfg80211_registered_device,
+ mgmt_registrations_update_wk);
rtnl_lock();
- cfg80211_mgmt_registrations_update(wdev);
+ list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list)
+ cfg80211_mgmt_registrations_update(wdev);
rtnl_unlock();
}
@@ -557,6 +570,7 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid,
nreg->multicast_rx = multicast_rx;
list_add(&nreg->list, &wdev->mgmt_registrations);
}
+ wdev->mgmt_registrations_need_update = 1;
spin_unlock_bh(&wdev->mgmt_registrations_lock);
cfg80211_mgmt_registrations_update(wdev);
@@ -585,7 +599,8 @@ void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlportid)
list_del(&reg->list);
kfree(reg);
- schedule_work(&wdev->mgmt_registrations_update_wk);
+ wdev->mgmt_registrations_need_update = 1;
+ schedule_work(&rdev->mgmt_registrations_update_wk);
}
spin_unlock_bh(&wdev->mgmt_registrations_lock);
@@ -608,6 +623,7 @@ void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev)
list_del(&reg->list);
kfree(reg);
}
+ wdev->mgmt_registrations_need_update = 1;
spin_unlock_bh(&wdev->mgmt_registrations_lock);
cfg80211_mgmt_registrations_update(wdev);