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Diffstat (limited to 'net/mac80211/scan.c')
-rw-r--r--net/mac80211/scan.c34
1 files changed, 26 insertions, 8 deletions
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 31f233f7f51a..d60389ba9b95 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -248,13 +248,11 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
return true;
}
-void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
+static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
{
struct ieee80211_local *local = hw_to_local(hw);
bool was_hw_scan;
- trace_api_scan_completed(local, aborted);
-
mutex_lock(&local->mtx);
/*
@@ -312,6 +310,18 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
ieee80211_mesh_notify_scan_completed(local);
ieee80211_queue_work(&local->hw, &local->work_work);
}
+
+void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ trace_api_scan_completed(local, aborted);
+
+ set_bit(SCAN_COMPLETED, &local->scanning);
+ if (aborted)
+ set_bit(SCAN_ABORTED, &local->scanning);
+ ieee80211_queue_delayed_work(&local->hw, &local->scan_work, 0);
+}
EXPORT_SYMBOL(ieee80211_scan_completed);
static int ieee80211_start_sw_scan(struct ieee80211_local *local)
@@ -449,7 +459,7 @@ static int ieee80211_scan_state_decision(struct ieee80211_local *local,
/* if no more bands/channels left, complete scan and advance to the idle state */
if (local->scan_channel_idx >= local->scan_req->n_channels) {
- ieee80211_scan_completed(&local->hw, false);
+ __ieee80211_scan_completed(&local->hw, false);
return 1;
}
@@ -641,6 +651,14 @@ void ieee80211_scan_work(struct work_struct *work)
struct ieee80211_sub_if_data *sdata = local->scan_sdata;
unsigned long next_delay = 0;
+ if (test_and_clear_bit(SCAN_COMPLETED, &local->scanning)) {
+ bool aborted;
+
+ aborted = test_and_clear_bit(SCAN_ABORTED, &local->scanning);
+ __ieee80211_scan_completed(&local->hw, aborted);
+ return;
+ }
+
mutex_lock(&local->mtx);
if (!sdata || !local->scan_req) {
mutex_unlock(&local->mtx);
@@ -651,7 +669,7 @@ void ieee80211_scan_work(struct work_struct *work)
int rc = drv_hw_scan(local, sdata, local->hw_scan_req);
mutex_unlock(&local->mtx);
if (rc)
- ieee80211_scan_completed(&local->hw, true);
+ __ieee80211_scan_completed(&local->hw, true);
return;
}
@@ -666,7 +684,7 @@ void ieee80211_scan_work(struct work_struct *work)
mutex_unlock(&local->mtx);
if (rc)
- ieee80211_scan_completed(&local->hw, true);
+ __ieee80211_scan_completed(&local->hw, true);
return;
}
@@ -676,7 +694,7 @@ void ieee80211_scan_work(struct work_struct *work)
* Avoid re-scheduling when the sdata is going away.
*/
if (!ieee80211_sdata_running(sdata)) {
- ieee80211_scan_completed(&local->hw, true);
+ __ieee80211_scan_completed(&local->hw, true);
return;
}
@@ -783,5 +801,5 @@ void ieee80211_scan_cancel(struct ieee80211_local *local)
mutex_unlock(&local->mtx);
if (abortscan)
- ieee80211_scan_completed(&local->hw, true);
+ __ieee80211_scan_completed(&local->hw, true);
}