[PATCH 13/14] wifi: cfg80211: move sched scan stop to wiphy work

[Johannes Berg <johannes@sipsolutions.net>]

From: Johannes Berg <johannes.berg@intel.com>

This work can now trivially be converted, it behaves
identical either way.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 net/wireless/core.c    | 6 +++---
 net/wireless/core.h    | 2 +-
 net/wireless/nl80211.c | 3 ++-
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/net/wireless/core.c b/net/wireless/core.c
index 3b37bbc4e8d2..56b7d4404eed 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -365,7 +365,8 @@ static void cfg80211_destroy_iface_wk(struct work_struct *work)
 	rtnl_unlock();
 }
 
-static void cfg80211_sched_scan_stop_wk(struct work_struct *work)
+static void cfg80211_sched_scan_stop_wk(struct wiphy *wiphy,
+					struct wiphy_work *work)
 {
 	struct cfg80211_registered_device *rdev;
 	struct cfg80211_sched_scan_request *req, *tmp;
@@ -541,7 +542,7 @@ struct wiphy *wiphy_new_nm(const struct cfg80211_ops *ops, int sizeof_priv,
 	device_enable_async_suspend(&rdev->wiphy.dev);
 
 	INIT_WORK(&rdev->destroy_work, cfg80211_destroy_iface_wk);
-	INIT_WORK(&rdev->sched_scan_stop_wk, cfg80211_sched_scan_stop_wk);
+	wiphy_work_init(&rdev->sched_scan_stop_wk, cfg80211_sched_scan_stop_wk);
 	INIT_WORK(&rdev->sched_scan_res_wk, cfg80211_sched_scan_results_wk);
 	INIT_WORK(&rdev->propagate_radar_detect_wk,
 		  cfg80211_propagate_radar_detect_wk);
@@ -1148,7 +1149,6 @@ void wiphy_unregister(struct wiphy *wiphy)
 	cancel_delayed_work_sync(&rdev->dfs_update_channels_wk);
 	cancel_delayed_work_sync(&rdev->background_cac_done_wk);
 	flush_work(&rdev->destroy_work);
-	flush_work(&rdev->sched_scan_stop_wk);
 	flush_work(&rdev->propagate_radar_detect_wk);
 	flush_work(&rdev->propagate_cac_done_wk);
 	flush_work(&rdev->mgmt_registrations_update_wk);
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 435060dad81e..468957a0be24 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -95,7 +95,7 @@ struct cfg80211_registered_device {
 	struct cfg80211_coalesce *coalesce;
 
 	struct work_struct destroy_work;
-	struct work_struct sched_scan_stop_wk;
+	struct wiphy_work sched_scan_stop_wk;
 	struct work_struct sched_scan_res_wk;
 
 	struct cfg80211_chan_def radar_chandef;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b74092efa6f0..87a3551a2381 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -19775,7 +19775,8 @@ static int nl80211_netlink_notify(struct notifier_block * nb,
 					list) {
 			if (sched_scan_req->owner_nlportid == notify->portid) {
 				sched_scan_req->nl_owner_dead = true;
-				schedule_work(&rdev->sched_scan_stop_wk);
+				wiphy_work_queue(&rdev->wiphy,
+						 &rdev->sched_scan_stop_wk);
 			}
 		}
 
-- 
2.40.1