1 files changed, 18 insertions, 0 deletions

diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index e65d74ba404b..2a8d09ad17ff 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -631,3 +631,21 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
         mutex_unlock(&local->scan_mtx);
         return ret;
 }
+
+void ieee80211_scan_cancel(struct ieee80211_local *local)
+{
+        bool swscan;
+
+        cancel_delayed_work_sync(&local->scan_work);
+
+        /*
+         * Only call this function when a scan can't be
+         * queued -- mostly at suspend under RTNL.
+         */
+        mutex_lock(&local->scan_mtx);
+        swscan = local->sw_scanning;
+        mutex_unlock(&local->scan_mtx);
+
+        if (swscan)
+                ieee80211_scan_completed(&local->hw, true);
+}