wifi: mac80211: move color change finalize to wiphy work

Again this should be per link and will get cancellation
issues, move it to a wiphy work.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/cfg.c

@@ -4745,7 +4745,8 @@ static int ieee80211_color_change_finalize(struct ieee80211_sub_if_data *sdata)
 	return 0;
 }
 
-void ieee80211_color_change_finalize_work(struct work_struct *work)
+void ieee80211_color_change_finalize_work(struct wiphy *wiphy,
+					  struct wiphy_work *work)
 {
 	struct ieee80211_sub_if_data *sdata =
 		container_of(work, struct ieee80211_sub_if_data,
@@ -4786,8 +4787,8 @@ void ieee80211_color_change_finish(struct ieee80211_vif *vif)
 {
 	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
 
-	ieee80211_queue_work(&sdata->local->hw,
-			     &sdata->deflink.color_change_finalize_work);
+	wiphy_work_queue(sdata->local->hw.wiphy,
+			 &sdata->deflink.color_change_finalize_work);
 }
 EXPORT_SYMBOL_GPL(ieee80211_color_change_finish);
 

net/mac80211/ieee80211_i.h

@@ -997,7 +997,7 @@ struct ieee80211_link_data {
 
 	struct cfg80211_chan_def csa_chandef;
 
-	struct work_struct color_change_finalize_work;
+	struct wiphy_work color_change_finalize_work;
 	struct delayed_work color_collision_detect_work;
 	u64 color_bitmap;
 
@@ -1994,7 +1994,8 @@ int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
 			     struct cfg80211_csa_settings *params);
 
 /* color change handling */
-void ieee80211_color_change_finalize_work(struct work_struct *work);
+void ieee80211_color_change_finalize_work(struct wiphy *wiphy,
+					  struct wiphy_work *work);
 void ieee80211_color_collision_detection_work(struct work_struct *work);
 
 /* interface handling */

net/mac80211/iface.c

@@ -535,9 +535,9 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
 	mutex_unlock(&local->mtx);
 	sdata_unlock(sdata);
 
-	cancel_work_sync(&sdata->deflink.color_change_finalize_work);
-
 	wiphy_work_cancel(local->hw.wiphy, &sdata->deflink.csa_finalize_work);
+	wiphy_work_cancel(local->hw.wiphy,
+			  &sdata->deflink.color_change_finalize_work);
 	wiphy_delayed_work_cancel(local->hw.wiphy,
 				  &sdata->deflink.dfs_cac_timer_work);
 

net/mac80211/link.c

@@ -39,8 +39,8 @@ void ieee80211_link_init(struct ieee80211_sub_if_data *sdata,
 
 	wiphy_work_init(&link->csa_finalize_work,
 			ieee80211_csa_finalize_work);
-	INIT_WORK(&link->color_change_finalize_work,
-		  ieee80211_color_change_finalize_work);
+	wiphy_work_init(&link->color_change_finalize_work,
+			ieee80211_color_change_finalize_work);
 	INIT_DELAYED_WORK(&link->color_collision_detect_work,
 			  ieee80211_color_collision_detection_work);
 	INIT_LIST_HEAD(&link->assigned_chanctx_list);