mac80211: do not requeue scan work when not needed

When performing hw scan and not abort it, __ieee80211_scan_completed()
is currently called from scan work, so does not need to reschedule work
to call drv_hw_scan().

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 12 deletions

diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 4dbef714d946..9aab921f7ca8 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -269,9 +269,9 @@ static bool __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted,
                 return false;
 
         if (was_hw_scan && !aborted && ieee80211_prep_hw_scan(local)) {
-                ieee80211_queue_delayed_work(&local->hw,
-                                             &local->scan_work, 0);
-                return false;
+                int rc = drv_hw_scan(local, local->scan_sdata, local->hw_scan_req);
+                if (rc == 0)
+                        return false;
         }
 
         kfree(local->hw_scan_req);
@@ -656,15 +656,6 @@ void ieee80211_scan_work(struct work_struct *work)
         if (!sdata || !local->scan_req)
                 goto out;
 
-        if (local->hw_scan_req) {
-                int rc = drv_hw_scan(local, sdata, local->hw_scan_req);
-                if (rc) {
-                        aborted = true;
-                        goto out_complete;
-                } else
-                        goto out;
-        }
-
         if (local->scan_req && !local->scanning) {
                 struct cfg80211_scan_request *req = local->scan_req;
                 int rc;