diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2023-08-29 13:18:56 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-09-11 12:27:23 +0300 |
| commit | 076fc8775dafe995e94c106bb732bf2d42dedcea (patch) | |
| tree | bc4ad9b0ea9471eb243eec8ba3bc947f15c805e2 /net/wireless/core.c | |
| parent | a7614b482d64a1d7f595178b12d71f12936ba9a3 (diff) | |
| download | linux-076fc8775dafe995e94c106bb732bf2d42dedcea.tar.xz | |
wifi: cfg80211: remove wdev mutex
Since we're now protecting everything with the wiphy mutex
(and were really using it for almost everything before),
there's no longer any real reason to have a separate wdev
mutex. It may feel better, but really has no value.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/core.c')
| -rw-r--r-- | net/wireless/core.c | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index 88042a647aaa..c419177278da 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -1278,14 +1278,13 @@ void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, rdev->num_running_monitor_ifaces += num; } -void __cfg80211_leave(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev) +void cfg80211_leave(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev) { struct net_device *dev = wdev->netdev; struct cfg80211_sched_scan_request *pos, *tmp; lockdep_assert_held(&rdev->wiphy.mtx); - ASSERT_WDEV_LOCK(wdev); cfg80211_pmsr_wdev_down(wdev); @@ -1293,7 +1292,7 @@ void __cfg80211_leave(struct cfg80211_registered_device *rdev, switch (wdev->iftype) { case NL80211_IFTYPE_ADHOC: - __cfg80211_leave_ibss(rdev, dev, true); + cfg80211_leave_ibss(rdev, dev, true); break; case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_STATION: @@ -1313,14 +1312,14 @@ void __cfg80211_leave(struct cfg80211_registered_device *rdev, WLAN_REASON_DEAUTH_LEAVING, true); break; case NL80211_IFTYPE_MESH_POINT: - __cfg80211_leave_mesh(rdev, dev); + cfg80211_leave_mesh(rdev, dev); break; case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: - __cfg80211_stop_ap(rdev, dev, -1, true); + cfg80211_stop_ap(rdev, dev, -1, true); break; case NL80211_IFTYPE_OCB: - __cfg80211_leave_ocb(rdev, dev); + cfg80211_leave_ocb(rdev, dev); break; case NL80211_IFTYPE_P2P_DEVICE: case NL80211_IFTYPE_NAN: @@ -1338,14 +1337,6 @@ void __cfg80211_leave(struct cfg80211_registered_device *rdev, } } -void cfg80211_leave(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev) -{ - wdev_lock(wdev); - __cfg80211_leave(rdev, wdev); - wdev_unlock(wdev); -} - void cfg80211_stop_iface(struct wiphy *wiphy, struct wireless_dev *wdev, gfp_t gfp) { @@ -1370,7 +1361,6 @@ EXPORT_SYMBOL(cfg80211_stop_iface); void cfg80211_init_wdev(struct wireless_dev *wdev) { - mutex_init(&wdev->mtx); INIT_LIST_HEAD(&wdev->event_list); spin_lock_init(&wdev->event_lock); INIT_LIST_HEAD(&wdev->mgmt_registrations); @@ -1533,7 +1523,6 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, case NETDEV_UP: wiphy_lock(&rdev->wiphy); cfg80211_update_iface_num(rdev, wdev->iftype, 1); - wdev_lock(wdev); switch (wdev->iftype) { #ifdef CONFIG_CFG80211_WEXT case NL80211_IFTYPE_ADHOC: @@ -1563,7 +1552,6 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, default: break; } - wdev_unlock(wdev); rdev->opencount++; /* |