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-rw-r--r--net/wireless/core.c8
-rw-r--r--net/wireless/core.h4
2 files changed, 5 insertions, 7 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index e13365f1fa6..eb60410ae58 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -766,7 +766,7 @@ void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
bool has_monitors_only_old = cfg80211_has_monitors_only(rdev);
bool has_monitors_only_new;
- ASSERT_RDEV_LOCK(rdev);
+ ASSERT_RTNL();
rdev->num_running_ifaces += num;
if (iftype == NL80211_IFTYPE_MONITOR)
@@ -888,10 +888,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
wdev->beacon_interval = 0;
break;
case NETDEV_DOWN:
- dev_hold(dev);
- cfg80211_lock_rdev(rdev);
cfg80211_update_iface_num(rdev, wdev->iftype, -1);
- cfg80211_unlock_rdev(rdev);
+ dev_hold(dev);
queue_work(cfg80211_wq, &wdev->cleanup_work);
break;
case NETDEV_UP:
@@ -1001,9 +999,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
mutex_unlock(&rdev->devlist_mtx);
if (ret)
return notifier_from_errno(ret);
- cfg80211_lock_rdev(rdev);
cfg80211_update_iface_num(rdev, wdev->iftype, 1);
- cfg80211_unlock_rdev(rdev);
break;
}
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 81fef3ddb5a..377dc394f48 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -13,6 +13,7 @@
#include <linux/debugfs.h>
#include <linux/rfkill.h>
#include <linux/workqueue.h>
+#include <linux/rtnetlink.h>
#include <net/genetlink.h>
#include <net/cfg80211.h>
#include "reg.h"
@@ -56,6 +57,7 @@ struct cfg80211_registered_device {
u32 ap_beacons_nlpid;
+ /* protected by RTNL only */
int num_running_ifaces;
int num_running_monitor_ifaces;
@@ -205,7 +207,7 @@ static inline void wdev_unlock(struct wireless_dev *wdev)
static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev)
{
- ASSERT_RDEV_LOCK(rdev);
+ ASSERT_RTNL();
return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces &&
rdev->num_running_ifaces > 0;