Merge tag 'wireless-next-2024-12-19' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Kalle Valo says:

====================
wireless-next patches for v6.14

Multi-Link Operation implementation continues, both in stack and in
drivers. Otherwise it has been relatively quiet.

Major changes:

cfg80211/mac80211
 - define wiphy guard
 - get TX power per link
 - EHT 320 MHz channel support for mesh

ath11k
 - QCA6698AQ support

ath9k
 - RX inactivity detection

rtl8xxxu
 - add more USB device IDs

rtw88
 - add more USB device IDs
 - enable USB RX aggregation and USB 3 to improve performance

rtw89
 - PowerSave flow for Multi-Link Operation

* tag 'wireless-next-2024-12-19' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (121 commits)
  wifi: wlcore: sysfs: constify 'struct bin_attribute'
  wifi: brcmfmac: clarify unmodifiable headroom log message
  wifi: brcmfmac: add missing header include for brcmf_dbg
  wifi: brcmsmac: add gain range check to wlc_phy_iqcal_gainparams_nphy()
  wifi: qtnfmac: fix spelling error in core.h
  wifi: rtw89: phy: add dummy C2H event handler for report of TAS power
  wifi: rtw89: 8851b: rfk: remove unnecessary assignment of return value of _dpk_dgain_read()
  wifi: rtw89: 8852c: rfk: refine target channel calculation in _rx_dck_channel_calc()
  wifi: rtlwifi: pci: wait for firmware loading before releasing memory
  wifi: rtlwifi: fix memory leaks and invalid access at probe error path
  wifi: rtlwifi: destroy workqueue at rtl_deinit_core
  wifi: rtlwifi: remove unused check_buddy_priv
  wifi: rtw89: 8922a: update format of RFK pre-notify H2C command v2
  wifi: rtw89: regd: update regulatory map to R68-R51
  wifi: rtw89: 8852c: disable ER SU when 4x HE-LTF and 0.8 GI capability differ
  wifi: rtw89: disable firmware training HE GI and LTF
  wifi: rtw89: ps: update data for firmware and settings for hardware before/after PS
  wifi: rtw89: ps: refactor channel info to firmware before entering PS
  wifi: rtw89: ps: refactor PS flow to support MLO
  wifi: mwifiex: decrease timeout waiting for host sleep from 10s to 5s
  ...
====================

Link: https://patch.msgid.link/20241219185709.774EDC4CECE@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

1 files changed, 19 insertions, 23 deletions

diff --git a/net/wireless/core.c b/net/wireless/core.c
index afbdc549fb4a..70857018f020 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -191,7 +191,8 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
 		return err;
 	}
 
-	wiphy_lock(&rdev->wiphy);
+	guard(wiphy)(&rdev->wiphy);
+
 	list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
 		if (!wdev->netdev)
 			continue;
@@ -212,7 +213,6 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
 			continue;
 		nl80211_notify_iface(rdev, wdev, NL80211_CMD_NEW_INTERFACE);
 	}
-	wiphy_unlock(&rdev->wiphy);
 
 	return 0;
 }
@@ -221,9 +221,9 @@ static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data)
 {
 	struct cfg80211_registered_device *rdev = data;
 
-	wiphy_lock(&rdev->wiphy);
+	guard(wiphy)(&rdev->wiphy);
+
 	rdev_rfkill_poll(rdev);
-	wiphy_unlock(&rdev->wiphy);
 }
 
 void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
@@ -283,7 +283,7 @@ void cfg80211_shutdown_all_interfaces(struct wiphy *wiphy)
 
 		/* otherwise, check iftype */
 
-		wiphy_lock(wiphy);
+		guard(wiphy)(wiphy);
 
 		switch (wdev->iftype) {
 		case NL80211_IFTYPE_P2P_DEVICE:
@@ -295,8 +295,6 @@ void cfg80211_shutdown_all_interfaces(struct wiphy *wiphy)
 		default:
 			break;
 		}
-
-		wiphy_unlock(wiphy);
 	}
 }
 EXPORT_SYMBOL_GPL(cfg80211_shutdown_all_interfaces);
@@ -331,9 +329,9 @@ static void cfg80211_event_work(struct work_struct *work)
 	rdev = container_of(work, struct cfg80211_registered_device,
 			    event_work);
 
-	wiphy_lock(&rdev->wiphy);
+	guard(wiphy)(&rdev->wiphy);
+
 	cfg80211_process_rdev_events(rdev);
-	wiphy_unlock(&rdev->wiphy);
 }
 
 void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev)
@@ -347,10 +345,10 @@ void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev)
 			if (wdev->netdev)
 				dev_close(wdev->netdev);
 
-			wiphy_lock(&rdev->wiphy);
+			guard(wiphy)(&rdev->wiphy);
+
 			cfg80211_leave(rdev, wdev);
 			cfg80211_remove_virtual_intf(rdev, wdev);
-			wiphy_unlock(&rdev->wiphy);
 		}
 	}
 }
@@ -423,9 +421,9 @@ static void cfg80211_wiphy_work(struct work_struct *work)
 
 	trace_wiphy_work_worker_start(&rdev->wiphy);
 
-	wiphy_lock(&rdev->wiphy);
+	guard(wiphy)(&rdev->wiphy);
 	if (rdev->suspended)
-		goto out;
+		return;
 
 	spin_lock_irq(&rdev->wiphy_work_lock);
 	wk = list_first_entry_or_null(&rdev->wiphy_work_list,
@@ -441,8 +439,6 @@ static void cfg80211_wiphy_work(struct work_struct *work)
 	} else {
 		spin_unlock_irq(&rdev->wiphy_work_lock);
 	}
-out:
-	wiphy_unlock(&rdev->wiphy);
 }
 
 /* exported functions */
@@ -1526,9 +1522,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
 		break;
 	case NETDEV_REGISTER:
 		if (!wdev->registered) {
-			wiphy_lock(&rdev->wiphy);
+			guard(wiphy)(&rdev->wiphy);
+
 			cfg80211_register_wdev(rdev, wdev);
-			wiphy_unlock(&rdev->wiphy);
 		}
 		break;
 	case NETDEV_UNREGISTER:
@@ -1537,16 +1533,16 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
 		 * so check wdev->registered.
 		 */
 		if (wdev->registered && !wdev->registering) {
-			wiphy_lock(&rdev->wiphy);
+			guard(wiphy)(&rdev->wiphy);
+
 			_cfg80211_unregister_wdev(wdev, false);
-			wiphy_unlock(&rdev->wiphy);
 		}
 		break;
 	case NETDEV_GOING_DOWN:
-		wiphy_lock(&rdev->wiphy);
-		cfg80211_leave(rdev, wdev);
-		cfg80211_remove_links(wdev);
-		wiphy_unlock(&rdev->wiphy);
+		scoped_guard(wiphy, &rdev->wiphy) {
+			cfg80211_leave(rdev, wdev);
+			cfg80211_remove_links(wdev);
+		}
 		/* since we just did cfg80211_leave() nothing to do there */
 		cancel_work_sync(&wdev->disconnect_wk);
 		cancel_work_sync(&wdev->pmsr_free_wk);