Merge tag 'v3.8-rc3' into v4l_for_linus

Linux 3.8-rc3

* tag 'v3.8-rc3': (11110 commits)
  Linux 3.8-rc3
  mm: reinstante dropped pmd_trans_splitting() check
  cred: Remove tgcred pointer from struct cred
  drm/ttm: fix fence locking in ttm_buffer_object_transfer
  ARM: clps711x: Fix bad merge of clockevents setup
  ARM: highbank: save and restore L2 cache and GIC on suspend
  ARM: highbank: add a power request clear
  ARM: highbank: fix secondary boot and hotplug
  ARM: highbank: fix typos with hignbank in power request functions
  ARM: dts: fix highbank cpu mpidr values
  ARM: dts: add device_type prop to cpu nodes on Calxeda platforms
  drm/prime: drop reference on imported dma-buf come from gem
  xen/netfront: improve truesize tracking
  ARM: mx5: Fix MX53 flexcan2 clock
  ARM: OMAP2+: am33xx-hwmod: Fix wrongly terminated am33xx_usbss_mpu_irqs array
  sctp: fix Kconfig bug in default cookie hmac selection
  EDAC: Cleanup device deregistering path
  EDAC: Fix EDAC Kconfig menu
  EDAC: Fix kernel panic on module unloading
  ALSA: hda - add mute LED for HP Pavilion 17 (Realtek codec)
  ...

1 files changed, 45 insertions, 1 deletions

diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 5c572e7a1a7..79a48f37d40 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -33,6 +33,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
 	struct ieee80211_local *local = hw_to_local(hw);
 	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *sta;
+	struct ieee80211_chanctx *ctx;
 
 	if (!local->open_count)
 		goto suspend;
@@ -135,12 +136,55 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
 		ieee80211_bss_info_change_notify(sdata,
 			BSS_CHANGED_BEACON_ENABLED);
 
+		if (sdata->vif.type == NL80211_IFTYPE_AP &&
+		    rcu_access_pointer(sdata->u.ap.beacon))
+			drv_stop_ap(local, sdata);
+
+		if (local->use_chanctx) {
+			struct ieee80211_chanctx_conf *conf;
+
+			mutex_lock(&local->chanctx_mtx);
+			conf = rcu_dereference_protected(
+					sdata->vif.chanctx_conf,
+					lockdep_is_held(&local->chanctx_mtx));
+			if (conf) {
+				ctx = container_of(conf,
+						   struct ieee80211_chanctx,
+						   conf);
+				drv_unassign_vif_chanctx(local, sdata, ctx);
+			}
+
+			mutex_unlock(&local->chanctx_mtx);
+		}
 		drv_remove_interface(local, sdata);
 	}
 
 	sdata = rtnl_dereference(local->monitor_sdata);
-	if (sdata)
+	if (sdata) {
+		if (local->use_chanctx) {
+			struct ieee80211_chanctx_conf *conf;
+
+			mutex_lock(&local->chanctx_mtx);
+			conf = rcu_dereference_protected(
+					sdata->vif.chanctx_conf,
+					lockdep_is_held(&local->chanctx_mtx));
+			if (conf) {
+				ctx = container_of(conf,
+						   struct ieee80211_chanctx,
+						   conf);
+				drv_unassign_vif_chanctx(local, sdata, ctx);
+			}
+
+			mutex_unlock(&local->chanctx_mtx);
+		}
+
 		drv_remove_interface(local, sdata);
+	}
+
+	mutex_lock(&local->chanctx_mtx);
+	list_for_each_entry(ctx, &local->chanctx_list, list)
+		drv_remove_chanctx(local, ctx);
+	mutex_unlock(&local->chanctx_mtx);
 
 	/* stop hardware - this must stop RX */
 	if (local->open_count)