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Diffstat (limited to 'net/mac80211/scan.c')
-rw-r--r--net/mac80211/scan.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index ae842678b629..05f0d711b6d8 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -416,7 +416,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local,
ieee80211_offchannel_stop_vifs(local);
/* ensure nullfunc is transmitted before leaving operating channel */
- ieee80211_flush_queues(local, NULL);
+ ieee80211_flush_queues(local, NULL, false);
ieee80211_configure_filter(local);
@@ -432,7 +432,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local,
static bool ieee80211_can_scan(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
- if (local->radar_detect_enabled)
+ if (ieee80211_is_radar_required(local))
return false;
if (!list_empty(&local->roc_list))
@@ -505,7 +505,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
lockdep_assert_held(&local->mtx);
- if (local->scan_req)
+ if (local->scan_req || ieee80211_is_radar_required(local))
return -EBUSY;
if (!ieee80211_can_scan(local, sdata)) {
@@ -805,7 +805,7 @@ static void ieee80211_scan_state_resume(struct ieee80211_local *local,
ieee80211_offchannel_stop_vifs(local);
if (local->ops->flush) {
- ieee80211_flush_queues(local, NULL);
+ ieee80211_flush_queues(local, NULL, false);
*next_delay = 0;
} else
*next_delay = HZ / 10;
@@ -828,6 +828,11 @@ void ieee80211_scan_work(struct work_struct *work)
mutex_lock(&local->mtx);
+ if (!ieee80211_can_run_worker(local)) {
+ aborted = true;
+ goto out_complete;
+ }
+
sdata = rcu_dereference_protected(local->scan_sdata,
lockdep_is_held(&local->mtx));
scan_req = rcu_dereference_protected(local->scan_req,